left Junior Computer Operator (BS-12) – PPSC Past Paper 2023 [Solved MCQs]
Junior Computer Operator PPSC Past Paper 2023
Subject: Computer Science
Q1: The operating system is the most prevalent type of _ Software.
A. Application
B. Communication
C. System
D. None of these
System software manages the core functions of a computer. An operating system like Windows, macOS, or Linux is a prime example. It controls hardware, runs applications, and provides essential user interfaces. Knowing the role of system software is crucial for computer-related exams like PPSC and FPSC.
Subject: Computer Science
Q2: A wireless technology embedded in electronic gadgets for exchanging data over short distances is:
A. Bluetooth
B. USB
C. Wi-Fi
D. None of these
Bluetooth is a short-range wireless technology that allows devices to connect and exchange data. It’s commonly used in mobile phones, laptops, headphones, and smartwatches. It's important to distinguish Bluetooth from Wi-Fi and USB for computer and general science MCQs.
Subject: Computer Science
Q3: If the displayed system time and date is incorrect, you can reset it using:
A. Calendar
B. Write
C. Control Panel
D. None of these
The Control Panel in Windows operating systems allows users to configure system settings, including date and time. Understanding how to use Control Panel is basic computer knowledge often tested in IT-related government exams.
Subject: Current Affairs
Q4: The largest famine struck Ethiopia in:
A. 1973
B. 1983
C. 1993
D. 1999
The most devastating famine in Ethiopia occurred in 1983–1985, affecting millions and drawing global attention. This historical event is frequently asked in current affairs and general knowledge sections of competitive exams.
Subject: Computer Science
Q5: When developing a computer program, the _ designs the structure of the program?
A. Programmer
B. End User
C. System Analyst
D. All of these
A system analyst plans and designs the framework of software systems before programmers write the code. Understanding this role helps distinguish between different IT job functions, which is helpful in computer awareness exams.
Subject: Computer Science
Q6: Another term for Main Memory is:
A. RAM
B. ROM
C. Hard Disk
D. None of these
RAM (Random Access Memory) is often called main memory because it temporarily stores data for running programs. This is essential for understanding how a computer functions and is a common topic in IT-based competitive exams.
Subject: Computer Science
Q7: A user-interface that is simple to operate is considered to be:
A. User Simple
B. User Friendly
C. User Happy
D. All of these
A user-friendly interface is intuitive and easy for non-technical users to navigate. Such concepts are key when discussing usability in software design, often covered in computer knowledge MCQs.
Subject: Computer Science
Q8: The software used for presentation purposes is:
A. MS Excel
B. MS Word
C. MS PowerPoint
D. Worksheet
MS PowerPoint is a Microsoft Office application designed for creating digital presentations. It's important to know the function of different Office tools for solving general computer literacy questions in exams.
Subject: English
Q9: A word or group of words having a stable meaning is called:
A. Phrase
B. Idiom
C. Adjective
D. None of these
An idiom is a group of words whose meaning isn't directly deducible from individual words. These fixed expressions are essential in mastering English for competitive exams and improving language comprehension.
Subject: Mathematics
Q10: 32 x 9 = ?
A. 268
B. 228
C. 288
D. 232
32 multiplied by 9 equals 288. Quick mental math like this is critical for math portions in competitive exams. Speed and accuracy are key to scoring well in quantitative sections.
Subject: General Knowledge
Q11: Which of the following received the Pulitzer Prize accolade?
A. Journalism
B. Chemistry
C. Sports
D. None of these
The Pulitzer Prize is a prestigious award in the field of journalism, literature, and musical composition in the United States. It honors outstanding achievements in news reporting, editorial writing, and photojournalism. Knowing this helps in answering awards and honors MCQs in PPSC and FPSC exams.
Subject: General Knowledge
Q12: “Zulu” is a notable tribe in:
A. Zambia
B. South Africa
C. USA
D. None of these
The Zulu are one of the most well-known ethnic groups in South Africa. They have a rich cultural history and played a major role in the region's colonial and post-colonial eras. Awareness of global ethnic groups is important for geography and general knowledge questions.
Subject: Computer Science
Q13: The shortcut used to copy selected text is:
A. Ctrl+X
B. Ctrl+B
C. Ctrl+C
D. Ctrl+Z
Ctrl+C is the standard keyboard shortcut for copying selected content. It's a fundamental part of computer literacy and often appears in computer-based sections of public service exams.
Subject: Pedagogy
Q14: The best way to gather data and information is:
A. Visit
B. Questionnaire
C. Sharpness
D. None of these
A questionnaire is a systematic method for collecting data from respondents. It’s widely used in surveys, educational research, and business analysis. Knowing this is essential for pedagogy and educational research-related MCQs.
Subject: Computer Science
Q15: From which menu can you access Picture, Text Box, and Chart in MS Word?
A. File
B. View
C. Insert
D. None of these
The Insert menu in MS Word allows users to add objects like pictures, text boxes, charts, and tables into a document. Understanding MS Word interface is critical for basic computer operations questions in government job tests.
Subject: Computer Science
Q16: Which protocol offers e-mail facility?
A. DNS
B. SMTP
C. FTP
D. None of these
SMTP (Simple Mail Transfer Protocol) is the standard protocol used for sending emails across the Internet. Familiarity with networking protocols like SMTP, FTP, and DNS is vital for computer science MCQs in competitive exams.
Subject: Geography
Q17: Alexandria is the seaport of:
A. France
B. Japan
C. USA
D. Egypt
Alexandria is Egypt’s largest seaport and an important historical city located on the Mediterranean Sea. Knowledge of major world seaports is commonly tested in geography and current affairs sections.
Subject: Computer Science
Q18: Crimes committed using a computer are termed:
A. Cybercrime
B. Internet crime
C. White collar crime
D. None of these
Cybercrime involves illegal activities carried out using computers or the internet, such as hacking or identity theft. It's a key term in modern law and computer knowledge, often tested in PPSC and FPSC exams.
Subject: Pak Studies
Q19: The 1940 Resolution was adopted in:
A. 1929
B. 1930
C. 1940
D. 1949
The Pakistan Resolution, also known as the Lahore Resolution, was passed on March 23, 1940. It laid the foundation for the demand for a separate homeland for Muslims of British India. This is a high-frequency question in Pak Studies.
Subject: Computer Science
Q20: The handout master is defined by:
A. Layout of handout
B. Layout of design
C. Layout of template
D. None of these
The handout master in MS PowerPoint allows users to control the layout and design of handouts that accompany a presentation. Understanding how presentation tools work is essential in computer literacy exams.
Subject: Computer Science
Q21: In Excel, the basic unit where data is inserted is called:
A. Formula
B. Label
C. Cell
D. None of these
A cell is the fundamental unit in Excel where data is entered, whether it’s numbers, text, or formulas. Each cell is uniquely identified by a combination of a column letter and a row number (e.g., A1). This is a foundational concept in spreadsheet operations tested in computer-related exams.
Subject: Computer Science
Q22: A calculation that shows a single value for a particular field is:
A. Format row
B. Format layout
C. Criteria row
D. Aggregate function
An aggregate function, such as SUM, COUNT, or AVERAGE, returns a single value after performing a calculation on a set of data. These are widely used in databases and spreadsheets and are commonly tested in IT-related competitive exams.
Subject: Computer Science
Q23: The part of the computer that translates digital signals to analog is:
A. Scanner
B. Modem
C. Keyboard
D. None of these
A modem (modulator-demodulator) converts digital data from a computer into analog signals for transmission over phone lines, and vice versa. Understanding how modems function is key for networking concepts in computer exams.
Subject: Everyday Science
Q24: What helps in removing dirt from clothes due to capillary action?
A. Interfacial tension
B. Diffusion
C. Capillary action
D. None of these
Capillary action helps water and detergents seep into the fine fibers of fabric, loosening dirt particles. This principle is often explored in everyday science, particularly in questions involving cleaning mechanisms.
Subject: Current Affairs
Q25: Which of these Olympic sports is not featured?
A. Cricket
B. Swimming
C. Boxing
D. None of these
Cricket is not currently included as an official Olympic sport, unlike swimming and boxing. Awareness of sports included in international events is essential for general knowledge and current affairs sections.
Subject: Computer Science
Q26: Which of the following is employed to move data between CPU and memory?
A. Address Bus
B. Control Bus
C. Data Bus
D. All of these
All three — Address Bus, Data Bus, and Control Bus — work together to facilitate data exchange between CPU and memory. This is fundamental knowledge in computer architecture questions often asked in technical exams.
Subject: Computer Science
Q27: What is the basic unit of worksheet into which data is entered in Excel?
A. Column
B. Cell
C. Table
D. None of these
In Excel, a cell is the smallest editable part of a worksheet, where users input data, formulas, or text. Being familiar with Excel's structure is important for handling spreadsheet-related tasks in computer knowledge exams.
Subject: Computer Science
Q28: Which shortcut key is used to Rename?
A. F3
B. F8
C. F2
D. F11
F2 is the shortcut key used to rename a selected file or folder in Windows. Mastery of basic keyboard shortcuts is frequently tested in computer awareness sections of FPSC and PPSC exams.
Subject: Computer Science
Q29: The word processing software is:
A. YouTube
B. MS Word
C. Google
D. All of these
MS Word is a word processing software developed by Microsoft. It’s used for creating, editing, formatting, and printing text documents. Recognizing software types is essential for computer literacy topics in exams.
Subject: Computer Science
Q30: Binary code can be expressed in:
A. 0 and 1
B. 0 and 3
C. 2 and 1
D. 1 and 3
Binary code consists of only two digits — 0 and 1 — which represent off and on states in digital electronics. This is a core concept in computer science and digital logic that often appears in computer-related MCQs.
Subject: Everyday Science
Q31: Ophthalmology is the discipline concerned with the study of:
A. Brain
B. Eyes
C. Blood
D. None of these
Ophthalmology is a branch of medicine that deals with the diagnosis and treatment of eye-related disorders. It includes surgical and non-surgical care for vision and eye health. Recognizing medical specialties is useful in everyday science and general knowledge exams.
Subject: Computer Science
Q32: The shortcut used to remove selected text is:
A. Tab
B. Alt
C. Delete
D. None of these
Pressing the Delete key removes the selected text in most word processors and applications. Basic shortcut keys like this are often part of the computer literacy section in public sector exams.
Subject: Current Affairs
Q33: Fidel Castro was the leader of:
A. Poland
B. Cuba
C. Hungary
D. None of these
Fidel Castro served as the Prime Minister and later the President of Cuba. He played a central role in the Cuban Revolution and remained a significant political figure throughout the Cold War. Knowledge of world leaders is important for general knowledge and current affairs exams.
Subject: English
Q34: The synonym of “Quarantine” is:
A. Emergency
B. Disagreement
C. Isolation
D. None of these
Quarantine means keeping individuals separated to prevent the spread of disease, and its closest synonym is “isolation.” Such vocabulary questions are common in English sections of competitive exams.
Subject: Computer Science
Q35: What is the name given to the organized collection of software that manages the overall operation of a computer?
A. Controlling system
B. Peripheral system
C. Operating system
D. All of these
An operating system (OS) manages hardware and software resources in a computer system. Examples include Windows, Linux, and macOS. This is a fundamental concept in computer science and appears frequently in exams.
Subject: English
Q36: “To poke one’s nose” refers to:
A. To be too honest
B. To mind one’s own business
C. To take interest in other’s affairs
D. None of these
“To poke one’s nose” is an idiom meaning to interfere in someone else’s matters. Recognizing idioms and their meanings is a common requirement in English portions of PPSC and FPSC exams.
Subject: English
Q37: What is the synonym of the word “Modify”?
A. Subscribe
B. Change
C. Bring together
D. All of these
“Modify” means to make partial or minor changes to something, and its closest formal synonym is “change.” Knowing synonyms improves vocabulary and is crucial for scoring well in English MCQs.
Subject: Computer Science
Q38: Which command is used to reload a page in an Internet browser?
A. Reload
B. Check
C. Research
D. None of these
Although the label may say "Reload," the actual browser command to refresh a page is typically done via the Refresh button or pressing F5. Since no option exactly fits, “None of these” is correct. Browser functionality is a basic topic in computer literacy.
Subject: Computer Science
Q39: Presentation pages in PowerPoint are referred to as:
A. Page
B. Sheet
C. Document
D. Slide
In PowerPoint, each individual screen or section used in a presentation is called a "slide." Familiarity with PowerPoint terminology is essential for IT-related competitive exams.
Subject: Pak Studies
Q40: Khushal Khan Khattak was a poet of which language?
A. Sindhi
B. Punjabi
C. Pushto
D. Balochi
Khushal Khan Khattak was a renowned warrior-poet and intellectual of the Pushto language. His literary and nationalistic contributions make him a key historical figure in Pakistani literature. This type of question is common in Pak Studies and language-based MCQs.
Subject: Computer Science
Q41: Which program is executed by BIOS to verify hardware components when the computer is powered ON?
A. DMOS
B. CMOS
C. RAM
D. All of these
During startup, the BIOS initiates POST (Power-On Self-Test), which checks various components like RAM, keyboard, and other hardware. While terms like CMOS and RAM are involved, the complete process includes multiple checks, hence “All of these” is accurate. This concept is commonly tested in computer fundamentals.
Subject: Computer Science
Q42: Which language was utilized in the third generation of computers?
A. Third
B. Second
C. Fifth
D. None of these
The third generation of computers used high-level programming languages such as COBOL and FORTRAN. These were not termed as "third" or "fifth" languages. Therefore, the correct option is “None of these.” This question tests knowledge of computer evolution and programming history.
Subject: English
Q43: The meaning of “Alpha and Omega” is:
A. Accurate and Precise
B. To make all efforts to win
C. Beginning and End
D. All of these
“Alpha and Omega” is a phrase of Greek origin meaning “the beginning and the end.” It is often used in literature, religious texts, and academic writing. Familiarity with such idioms is valuable in English MCQs.
Subject: Everyday Science
Q44: The unit of pressure is:
A. Columb
B. Pascal
C. Energy
D. None of these
Pascal (Pa) is the SI unit of pressure and is defined as one newton per square meter. This is a fundamental physics concept frequently asked in everyday science exams.
Subject: Computer Science
Q45: “Ctrl + PageDown” in MS Word is used to:
A. Move the cursor one-page down
B. Move the cursor one-screen up
C. Move the cursor paragraph below
D. None of these
Ctrl + PageDown is a shortcut in MS Word to quickly navigate the cursor one page down in the document. Shortcut key knowledge is vital in computer literacy portions of public service exams.
Subject: Computer Science
Q46: Which of the following is a single-user operating system?
A. Windows 7
B. Windows NT
C. None of these
D. MS-DOS
MS-DOS is a single-user, command-line operating system that was widely used in early personal computers. Understanding operating systems is crucial for basic IT questions in PPSC and FPSC exams.
Subject: Computer Science
Q47: Which of the following is not a data type in Excel?
A. Number
B. Date/Time
C. Character
D. None of these
Excel uses data types like Number, Text, Date/Time, and Boolean. "Character" is not a standard data type in Excel, making it the correct answer. Recognizing valid data types is essential in spreadsheet-related questions.
Subject: Computer Science
Q48: The shortcut key used to undo the last action in a document is:
A. Ctrl+X
B. Ctrl+Y
C. Ctrl+Z
D. Ctrl+A
Ctrl+Z is the universal shortcut for undoing the last action in many software applications, including MS Word. Shortcut key identification is a common and scoring topic in computer MCQs.
Subject: Computer Science
Q49: Which shortcut key is used to paste copied data?
A. Ctrl+B
B. Ctrl+C
C. Ctrl+X
D. Ctrl+V
Ctrl+V is the shortcut for pasting copied content. Along with Ctrl+C (copy) and Ctrl+X (cut), it forms a basic set of commands important for efficient document editing. These are often tested in computer literacy sections.
Subject: Computer Science
Q50: Which key increases font size in Microsoft Word?
A. Ctrl+]
B. Ctrl+D
C. Ctrl+Shift+=
D. None of these
In MS Word, Ctrl+] increases the font size of the selected text. It's one of the lesser-known but useful shortcuts for formatting documents, frequently covered in IT-related exam questions.
Subject: Computer Science
Q51: Which of the following displays the content of the active cell in Excel?
A. Name Box
B. Row Headings
C. Task pane
D. Formula Bar
The Formula Bar in Excel shows the contents of the currently active cell, whether it's text, numbers, or a formula. This is essential for editing and reviewing data in worksheets, and is often tested in computer basics MCQs.
Subject: Computer Science
Q52: E-mail is used to send:
A. All of these
B. File
C. Video
D. Audio
Email can be used to send various types of attachments including documents, videos, and audio files. It is a universal digital communication tool, and its capabilities are a common topic in general computer awareness exams.
Subject: Computer Science
Q53: B2:B6 in MS Excel signifies the:
A. Cell Row
B. Range of cell
C. Cell Column
D. None of these
B2:B6 refers to a range of cells starting from B2 to B6 in column B. Understanding how to identify and use ranges is a fundamental part of working with Excel and is frequently covered in computer MCQs.
Subject: Computer Science
Q54: Which key is used to navigate from one cell to another in MS Excel?
A. Ctrl
B. Ctrl+Shift
C. Tab
D. Ctrl+Tab
The Tab key moves the cursor to the next cell on the right in Excel. It is useful for quick data entry and navigation, and such keyboard functions are a favorite in IT-related objective questions.
Subject: Computer Science
Q55: A worksheet consists of a set of _ in MS Excel.
A. Columns
B. Rows
C. Both A & B
D. None of these
Excel worksheets are made up of both rows (horizontal) and columns (vertical), forming a grid of cells. This structure is key to understanding how spreadsheets work and is frequently tested in computer exams.
Subject: Computer Science
Q56: In MS PowerPoint, which key is used to start the slide show?
A. F2
B. F4
C. F5
D. F6
F5 starts the slide show from the beginning in MS PowerPoint. Familiarity with such shortcuts improves productivity and is commonly asked in exams testing PowerPoint skills.
Subject: Computer Science
Q57: Shortcut key to insert a new slide in PowerPoint is:
A. Ctrl+N
B. Ctrl+M
C. Ctrl+S
D. Ctrl+W
Ctrl+M is the shortcut to add a new slide in PowerPoint. Shortcut commands like this enhance efficiency and are regularly included in computer literacy tests.
Subject: Computer Science
Q58: The output displayed on the computer monitor is known as:
A. Soft copy
B. Hard copy
C. Carbon copy
D. All of these
A soft copy is the digital output shown on a screen, while a hard copy is a printed document. Knowing the difference is vital for understanding computer terminology in exams.
Subject: Computer Science
Q59: Which of the following stores data permanently?
A. RAM
B. CPU
C. ROM
D. All of these
ROM (Read Only Memory) is used for permanent data storage in computers. Unlike RAM, data in ROM is not lost when the system is turned off. This is a key topic in basic hardware knowledge for computer MCQs.
Subject: Computer Science
Q60: Microsoft Word is __ software.
A. Application
B. Programming
C. System
D. None of these
MS Word is an application software used for word processing tasks such as creating, editing, and formatting text documents. Understanding software classifications is essential in computer-related sections of competitive exams.
Subject: Computer Science
Q61: Internet access by transmitting digital data over the wires of a local telephone network is provided by:
A. Leased Line
B. Digital Leased Line
C. Digital Subscriber Line
D. None of these
DSL (Digital Subscriber Line) provides internet connectivity through standard telephone lines without interrupting regular voice service. It offers faster speeds than dial-up and is a common method for home internet access. Understanding this helps in computer networking MCQs.
Subject: Computer Science
Q62: Shortcut key used to refresh the current window:
A. F2
B. F4
C. F6
D. F5
F5 is the standard shortcut key used to refresh or reload the current window or page, especially in web browsers and file explorers. It's a frequently asked computer shortcut in exams.
Subject: Computer Science
Q63: The process of removing the unwanted part of an image is called:
A. Bordering
B. Cropping
C. Cutting
D. None of these
Cropping refers to trimming unnecessary parts of an image, leaving only the desired area. It is a basic image editing function important for questions related to graphics and document formatting.
Subject: Computer Science
Q64: Which of the following is not an output device of a computer?
A. CRT Screen
B. Keyboard
C. Printer
D. None of these
The keyboard is an input device, not an output device. CRT screens and printers are used to display or print output. Recognizing input vs output devices is fundamental in computer literacy.
Subject: Computer Science
Q65: EBCDIC stands for:
A. Extended Binary Coded Decimal Interchange Code
B. Exchanged Binary Case Decimal Interchange Code
C. Extended Case Decimal Interchange Code
D. None of these
EBCDIC is a character encoding system developed by IBM for mainframe computers. It stands for Extended Binary Coded Decimal Interchange Code and is often referenced in computer architecture MCQs.
Subject: Computer Science
Q66: The shortcut key used to center-align the selected text:
A. Ctrl+E
B. Ctrl+M
C. Ctrl+H
D. Ctrl+W
Ctrl+E centers the selected text in applications like MS Word. Mastery of text formatting shortcuts is useful for computer applications and typing test portions of competitive exams.
Subject: Computer Science
Q67: In MS Word, by default, on which page is the header or footer printed?
A. First page
B. Alternate page
C. Every page
D. All of these
By default, headers and footers are printed on every page in MS Word unless specified otherwise in settings. This is a common concept tested in questions related to document formatting.
Subject: Computer Science
Q68: BIOS stands for:
A. Basic Input Output Structure
B. Basic Input Operating System
C. Basic Input Output System
D. None of these
BIOS stands for Basic Input Output System. It is the firmware used to initialize hardware and boot the operating system when a computer is powered on. This term frequently appears in hardware-related MCQs.
Subject: Computer Science
Q69: Which basic language is used to design a web page?
A. PHP
B. HTML
C. JAVA
D. None of these
HTML (HyperText Markup Language) is the standard language for creating web pages and web content structure. Basic web development questions like this are often included in computer awareness sections.
Subject: Computer Science
Q70: Which of the following stores data permanently in a computer?
A. RAM
B. ROM
C. CPU
D. None of these
ROM (Read Only Memory) is a non-volatile memory used for permanent data storage. It retains information even when the computer is powered off. Recognizing memory types is essential in hardware-related MCQs.
Subject: Computer Science
Q71: Name the type of mouse which uses laser technology to detect the motion of the ball:
A. Optical mouse
B. Mechanical
C. Op-to mechanical
D. None of these
An optical mouse uses laser or LED technology to detect motion without using a physical ball. It offers higher precision and is more durable compared to mechanical or opto-mechanical mice. It’s a common topic in computer hardware MCQs.
Subject: Computer Science
Q72: Shortcut key for page break in MS Word is:
A. Ctrl+Enter
B. Tab+Enter
C. Alt+Tab
D. None of these
In MS Word, pressing Ctrl+Enter inserts a page break at the cursor position. This function is useful for formatting documents cleanly, especially in report or thesis writing. Shortcut questions like this appear often in PPSC and FPSC exams.
Subject: Computer Science
Q73: What is Internet?
A. A collection of unrelated computers
B. A single network
C. Interconnection of local area networks
D. Interconnection of wide area networks
The internet is a vast network formed by the interconnection of multiple wide area networks (WANs). It allows global communication and information sharing. Knowing its structure helps in understanding basic networking.
Subject: Computer Science
Q74: Which shortcut key is used to delete a character to the left side of the cursor?
A. Backspace
B. Escape
C. Delete
D. None of these
The Backspace key removes the character immediately to the left of the cursor. This basic function is essential in typing and word processing, and is commonly tested in computer literacy exams.
Subject: Computer Science
Q75: AND, OR, XOR, NOT, NAND, NOR are which type of gate:
A. Logic gate
B. Automatic gate
C. Program gate
D. None of these
These are logic gates used in digital electronics to perform operations based on binary inputs. They are fundamental to computer architecture and commonly asked in digital logic or computer basics questions.
Subject: Computer Science
Q76: Which shortcut key is used to open an existing file in MS Word?
A. Ctrl+A
B. Ctrl+O
C. Ctrl+B
D. Ctrl+W
Ctrl+O is the shortcut for opening an existing document in MS Word and many other programs. Recognizing common shortcuts like these boosts productivity and exam readiness.
Subject: Computer Science
Q77: What does DMA stand for?
A. Distinct Memory Access
B. Direct Memory Access
C. Distinct Module Access
D. None of these
DMA or Direct Memory Access allows hardware devices to access main memory without CPU involvement. It improves data transfer efficiency and is a key concept in computer system architecture.
Subject: Computer Science
Q78: The device which converts drawing or printed text into digital form is:
A. Keyboard
B. Plotter
C. Scanner
D. None of these
A scanner captures physical images or text and converts them into a digital format. It's frequently used in document digitization and image processing and is important for input devices MCQs.
Subject: Computer Science
Q79: RAM stands for:
A. Read Access Memory
B. Random Access Memory
C. Random Admission Memory
D. None of these
RAM or Random Access Memory is a temporary storage used by the system to hold data that is being used or processed. Understanding memory types is vital for computer fundamentals.
Subject: Computer Science
Q80: What is meant by a dedicated computer?
A. Which uses one kind of software
B. Which is assigned one and only one task
C. Which is used by one person only
D. None of these
A dedicated computer is designed to perform a specific task such as traffic control or ATM operations. It is not a general-purpose system and is an important concept in types of computer systems.
Subject: Computer Science
Q81: Which shortcut key is used to select the entire document in MS Word?
A. Ctrl+B
B. Ctrl+K
C. Ctrl+Z
D. Ctrl+A
In MS Word, pressing Ctrl+A selects all the content in the document at once. This shortcut is useful for applying formatting, copying, or deleting the entire content quickly. It’s commonly tested in computer basics and MS Office MCQs.
Solved MCQs of Junior Computer Operator (BS-12) PPSC past paper held on 27 August 2023. Subject-wise questions for targeted exam preparation.