EaseUS Data Recovery Wizard License Code {2025}

Important MCQs of
Computer
Science
‫ےہ‬‫القئ‬‫اجےنن‬‫یھب‬‫ھچک‬‫وج‬‫قلعتم‬‫ےک‬‫ویپمکرٹ‬
‫ںی‬‫ہیڈ و‬ ‫س‬‫ ب‬ ‫ہ‬
PPSC, FPSC, NTS, CSS, OTS, UTS, PTS etc.
Part-1
PDF Link in Description

Watch more Tests content: Youtube/GKwithFaisal
• Al-Khwarizmi (830) presented the first systematic solution of linear and
quadratic equations. Father of Algebra.
• The Compendious Book on Calculation by Completion and Balancing (‫ساتكلب‬
‫ة‬‫ل‬‫ب‬‫ہساقمل‬‫سربجل‬‫اسحب‬‫ي‬‫ف‬‫سرصتخمل‬ )
• Banū Mūsā (850): Book of Ingenious Devices, described first programmable
machine, an automatic flute player.
• Ismail al-Jazari (1206): The Book of Knowledge of Ingenious Mechanical
Devices (‫ة‬‫ي‬‫ي‬‫س‬‫د‬‫ي‬‫ه‬‫ل‬
‫س‬‫ل‬‫ي‬‫ي‬‫ح‬‫ل‬
‫س‬‫ة‬‫ف‬‫رعم‬‫ي‬‫ف‬‫)اتكب‬.
Pioneers of Computer Science

• Blaise Pascal: Invented the mechanical calculator.
• Charles Babbage: Father of Computer
• Alan Turing: Father of computer science and artificial intelligence.
• John Atanasoff: Inventor of “First Modern Electronic Digital Computer”
• Howard Aiken: Designed the IBM’s Harvard Mark I
• Kathleen Booth: Invented the first assembly language.

• Noam Chomsky: Contributed to Programming through Linguistics.
• Douglas Engelbart: Inventor of Computer Mouse
• Dennis Ritchie: Developed the C language (Father of C Language)
• Vint Cerf: Invented TCP/IP (Father of Internet)
• Tim Berners-Lee: Invented World Wide Web

• CPU: Central Processing Unit
• Processor
• Brain of the Computer (Heart also)
• Two Components (Three sometimes)
1. ALU: Arithmetic Logic Unit
2. CU: Control Unit
• MU: Memory Unit
Central Processing Unit

• An OPERATING SYSTEM (OS) is system software that manages
computer hardware, software resources, and provides common
services for computer programs.
• Microsoft Windows 76.45%.
• macOS by Apple Inc. 17.72%
• Linux 1.73%
Operating system

Computer Languages
Low Level
Machine Languages
Use “1” and “0”
Middle Level
Assembly
Languages
Use Mnemonics
High Level
Similar to Human
COBOL,
FORTRAN, BASIC,
C+, C++, Java

Input Devices
• Keyboard
• Mouse
• Joy Stick
• Light pen
• Track Ball
• Scanner
• Microphone
• Magnetic Ink Card
Reader(MICR)
• Optical Character
Reader(OCR)
• Bar Code Reader
• Optical Mark Reader(OMR)

• Memory is primarily of three types:
• Cache Memory
• Buffer between the CPU and the main memory, high speed
• Primary Memory/Main Memory
• Currently working i.e. in the RAM. Power off memory lost. Volatile memory
• Secondary Memory
• Backup memory, Non-Volatile memory. Hard Disk, ROM
Memory

• RAM is of two types:
• Static RAM (SRAM)
• Used as CACHE memory.
• Dynamic RAM (DRAM)
• Used as RAM.
Random Access Memory (RAM)

• Bit (Binary Digit): “0” or “1”.
• Nibble: A group of 4 bits.
• Byte: A group of 8 bits.
• Kilobyte (KB): 1024 bytes
• Megabyte (MB): 1024 Kilobytes
• 1 Mbps or 100 Mbps Internet Speed
Memory Units

• Decimal: 0-9 (Base 10)
• Binary: 1 and 0 (Base 2 Number system)
• Octal: 0-7 (Base 8 Number System)
• Hexadecimal: 0-9 digits and 6 alphabets (A, B, C, D, E, F) (Base 16)
Number Systems

Step Operation Result Remainder
Step 1 29 / 2 14 1
Step 2 14 / 2 7 0
Step 3 7 / 2 3 1
Step 4 3 / 2 1 1
Step 5 1 / 2 0 1
Conversion
Convert 2910 into binary.
Decimal Number : 2910 = Binary Number : 111012.

• 1952 – Autocode (Developed by Alick
Glennie)
• 1957 – FORTRAN (first compiler)
• 1959 – COBOL
• 1964 – BASIC
• 1972 – C
• 1978 – SQL
• 1980 – C++
• 1984 – MATLAB
• 1990 – Python
• 1991 – Visual Basic
• 1995 – Ruby
• 1995 – Java
• 1995 – PHP
• 2006 – PowerShell
Languages

• Turing Award is given in Computer Field.
• RAM is waiting room for processor.
• Cookies: Identify users who return to a website.
• Power-On Self-Test (POST): Booting Process
• MODEM: Modulator and Demodulator, Connect Computer via
Telephone Line
Terms

• Bug: Computer Error
• Debug: Finding and Removing an error.
• Cloud storage: Online Storage
• Spoofing: Stealing someone’s information
• Malware: a malicious software
• Trojan horse: A virus in disguise.
Terms

• Virus: Malicious software that copies itself from computer to computer.
• Hybrid Computers: That measures (Analog) as well as counts (Digital).
• Spam: is any kind of unwanted, unsolicited digital communication that
gets sent out in bulk. (Not a security risk)
• Bandwidth: The maximum rate of data transfer across a given path.
• Creative Commons (CC): Free of charge to the public.
Terms

• UNIVAC: Universal Automatic Computer
• MICR: Magnetic Ink Character Reader
• CAD: Computer Aided Design
• ASCII: American Standard Code for Information Interchange
• OCR: Optical Character Recognition
• DOS: Disk Operating System
Abbreviation

• SIM: Subscriber’s Identity Module
• VGA: Video Graphic Array
• USB: Universal Serial Bus
• Intel: Integrated Electronics
• BIOS: Basic Input Output System
• URL: Uniform Resource Locator
Abbreviations

• HTTP: Hyper Text Transfer Protocol
• COBOL: Common Business Oriented Language
• CSV: Comma-Separated Values
• DNS: Domain Name System
• GIGO: garbage in, garbage out
Abbreviations

• VOIP: Voice over IP (Skype)
• LAN: Local Area Network
• MAN: Metropolitan Area Network
• WAN: Wide Area Network
• ISDN: Integrated Services Digital Network
• DSL: Digital Subscriber’s Line
Abbreviations

Important MCQs of
Computer
Science
‫ےہ‬‫القئ‬‫اجےنن‬‫یھب‬‫ھچک‬‫وج‬‫قلعتم‬‫ےک‬‫ویپمکرٹ‬
‫ںی‬‫ہیڈ و‬ ‫س‬‫ ب‬ ‫ہ‬
PPSC, FPSC, NTS, CSS, OTS, UTS, PTS etc.
Part-2
PDF Link in Description

• MS Word: Word Processor
• MS Excel: Spreadsheet Program
• MS PowerPoint: Presentation Program
• MS Outlook: Personal Information Management
• MS OneNote: Note-taking
• MS Teams: Communication Software
• 95>97>2000>XP>2003>2007>2010>2013>2016>2019>2022
MS Office (Latest Edition 2019)

• Word: .DOC and .DOCX
• Excel: .XLSX
• PowerPoint: .PPTX
File Formats

• MS Excel: 10% to 400%
• MS PowerPoint: 10% to 400%
• MS Word: 10% to 500%
Zoom

• A4
• A5
• Letter
• Legal
• Statement
• Envelope
• Executive
• Tabloid
Page Sizes Margins Orientation
• Normal (Excel)
• Narrow (Excel)
• Moderate
• Wide (Excel)
• Mirrored
• Landscape
• Portrait

• Excel: between 1 and 409, in multiples of .5
• PowerPoint: between 1 and 3600, in multiples of .1
• Word: between 1 and 1638, in multiples of .5
• Default font size is 11 or 12.
Font sizes

• Word:
1. Print Layout
(ALT+CTRL+P)
2. Full Screen Reading
3. Web Layout
4. Outline (ALT+CTRL+O)
5. Draft (ALT+CTRL+N)
Views
• PowerPoint:
1. Normal
2. Slide Sorter
3. Notes Page
4. Outline View
5. Reading View
6. Master View (Slide, Handout,
Notes)
7. Slideshow View
8. Presenter View
• Excel:
1. Normal
2. Page Break Preview
3. Page Layout
4. Custom View

• One time purchase
• One Computer
• No new features
• No online storage
Office 2019 Office 365
• Monthly or yearly Subscription
• Up to 5 pc, mobile, tablet.
• New Features are always coming
• 1 TB OneDrive

• Number of columns in MS Excel 2007?
A. 16,384
B. 15,000
C. 17,000
D. 20,000
Office MCQs

• Pressing F8 means:
• 1 time (Extended Mode)
• 2 times (Word)
• 3 times (Sentence)
• 4 times (Paragraph)
• 5 times (Whole document)
Office MCQs

• File Formats used in PowerPoints:
A. JPG
B. GIF
C. WAVE
D. All of these
Office MCQs

• Which of these can be renamed:
A. A worksheet (Sheet1, Sheet2)
B. A cell (A1, A2, B3)
C. A workbook (Book1, Book2)
D. A worksheet and Workbook
Office MCQs

• Which of the following show Document Name and Information?
A. Format
B. Insert Tab
C. Home
D. Title Bar
Office MCQs

• In MS Word 2016, Screenshot is in:
A. Insert
B. Review
C. Options Menu
D. Backstage view
Office MCQs

Backstage (File>Info)

• For combining two cells we use:
A. A data field
B. Merge function
C. Cache
D. Trail
Office MCQs

• Header and Footer is in:
A. View Manu
B. Insert Menu
C. Tool bar
D. Home
Office MCQs

• The default name of document saved is:
A. Document1
B. Document2
C. Document
D. None of these
Office MCQs

• How many types of Page Orientations:
A. 1
B. 2
C. 3
D. 4
Office MCQs

• Clipboard in Home is used for:
A. Cut and paste
B. Copy and paste
C. Storage of letters
D. None of these
Office MCQs

• Mail Merge Tab is in:
A. Combining
B. Mailing
C. Registers
D. None of these
Office MCQs

• Short cut key for finding something:
A. CTRL + F (Find)
B. CTRL + H (Find and Replace)
C. CTRL + G (Go to)
D. CTRL + A (Select All)
Office MCQs

• Minimum number of Row and Columns in:
• MS Word: 1 x 1
• MS Excel: 1 x 1
• Maximum Number of Rows and Columns in:
• MS Word: 63 Columns and Unlimited Rows
• MS Excel: 1,048,576 rows by 16,384 columns
Office MCQs

• MS Word saved document automatically after:
A. Every 10 minutes
B. Every 10 seconds
C. When you save it
D. When you close the document
Office MCQs

Important
Computer MCQs
taken from
Past Papers of 2020
2020
‫ویپمک‬‫واےل‬‫اجےن‬‫وپےھچ‬‫ںیم‬‫رپیپز‬‫ےک‬
‫الا‬‫ےک‬‫ےک رٹ‬

www.YouTube/GKwithFaisal www.GKwithFaisal.com
• Which component of computer is also considered as its “Heart”?
A. Monitor
B. Keyboard
C. Scanner
D. Microprocessor

• Which of the following Windows does not have Start button?
A. Windows Vista
B. Windows 7
C. Windows 8
D. None of these

• Which of the following is not a valid Zoom percentage in Excel?
A. 10
B. 100
C. 300
D. 500

• Which of the following is the starting point of a website?
A. Bookmark
B. Java script
C. Home page
D. Index ·

• How many different documents you can open at one time?
A. Not more than three
B. Only one
C. As many as your computer memory will hold
D. As many as your taskbar can display

• In the field of computers what is BASIC
A. A Programming language
B. A Software
C. Software coding
D. A basic course in computers
• Beginners All-Purpose Symbolic Instruction Code

• Which enables us to send the same letter to different persons?
A. Macros
B. Template
C. Mail Merge
D. None of these

• In MS Word, “Delete” key deletes letters from the ___ side of cursor.
A. Right
B. Up
C. Down
D. Left

• Which command can be set to prohibit or allow a cell entry?
A. Back ground error checking
B. Data validation
C. Go to special
D. Evaluate formula

• Software in computer:
A. Enhances the capabilities of the hardware machine
B. Increase the speed of central processing unit
C. Both A and B
D. None of these

• What is defined by handout master?
A. Layout of Handout
B. Layout of slide
C. Layout of Design
D. Layout of template

• In Microsoft Excel, the file you create and edit is called:
A. A form
B. A table
C. A ledger
D. A workbook

• In Microsoft Window 7, which of the following is not a gadget?
A. Recycle Bin
B. Weather
C. Date and time
D. News

• In MS Word 2016, Shortcut key to open “Font Display Box” is :
A. Ctrl + F
B. Alt+ D
C. Alt+ F
D. Ctrl + D

• To stop a slideshow in MS Power point which of the following option
a correct?
A. Press F2
B. Press CTRL
C. Press Escape
D. Press F5

• Which of the following is not a type of chart?
A. Pie-chart
B. Area chart
C. T-graph
D. Line graph

• In MS Power Point, on mouse click option can be used by ____ .
A. Insert> on mouse click
B. Format> on mouse click
C. Transition> on mouse click
D. Review> on mouse click

• Number of columns in MS-Excel 2007 are?
A. 16,384
B. 15,000
C. 17,000
D. 20,000

• Analog signal is measured in?
A. Volts
B. Pulses
C. Hertz
D. Watts
• Frequency is measured in Hertz

• Which of following can be renamed?
A. Worksheet
B. A cell
C. Workbook
D. Worksheet and workbook both

• To select all the slides or more than one slide in presentation?
A. Ctrl + Enter
B. Shift + Click on slide
C. Alt + F4
D. None of these

• To fix values in an excel we use?
A. Absolute reference
B. Thumbnails
C. Thread
D. None of these

• “Header” and “Footer” is in?
A. View menu
B. Insert
C. Tool bar
D. Home

• Which of the following keystrokes updates a bibliography field?
A. F3
B. F5
C. F7
D. F9

• MS Excel 2016, one has to go to ________ option for setting or
clearing print area.
A. Insert
B. Page Layout
C. Data
D. Review

• To move between the worksheets in a workbook in MS Excel, we can
use which of the following shortcut?
A. Alt + =
B. Ctrl + F9
C. Ctrl + Tab
D. Ctrl + Page up (Left)

• In order to play and hear sound on a computer, one needs:
A. Sound card and speakers
B. A microphone
C. Both A and B
D. None of these

• BIOS is used for?
A. Updating system information on network
B. Loading operating system
C. It helps in routing
D. It takes inputs from keywords and other devices.

• Electric current is measured In:
A. Volts (Electrical potential)
B. Watts (Unit of Power)
C. Kilojoules (Unit Energy)
D. Amperes

EaseUS Data Recovery Wizard License Code {2025}

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