Computers Mcqs 2025 — MCQS PLANETS

computers mcqs 2025

What does CPU stand for?
a) Central Processing Unit ✅
b) Computer Processing Unit
c) Central Performance Unit
d) Central Peripheral Unit
Which device is used to input data into a computer?
a) Monitor
b) Printer
c) Keyboard ✅
d) Speaker
Which one is an output device?
a) Mouse
b) Keyboard
c) Monitor ✅
d) Scanner
What type of storage is a Hard Disk?
a) Primary
b) Secondary ✅
c) Tertiary
d) Temporary
Which unit is responsible for performing calculations?
a) CU
b) ALU ✅
c) RAM
d) ROM

What does URL stand for?
a) Uniform Resource Locator ✅
b) Universal Resource Locator
c) Uniform Registered Link
d) Unassigned Resource Locator
Which protocol is used to access web pages?
a) FTP
b) SMTP
c) HTTP ✅
d) TCP
What is the full form of IP?
a) Internal Protocol
b) Internet Protocol ✅
c) Internet Procedure
d) Intranet Protocol
Which device connects multiple networks together?
a) Switch
b) Hub
c) Router ✅
d) Repeater
What is the main function of a browser?
a) Writing code
b) Connecting cables
c) Displaying web pages ✅
d) Managing files

What does RAM stand for?
a) Read Access Memory
b) Random Access Memory ✅
c) Ready Access Module
d) Read Adjustable Memory
ROM is…
a) Temporary
b) Volatile
c) Non-volatile ✅
d) Rewritable
Which of the following is the fastest memory?
a) RAM
b) ROM
c) Cache ✅
d) Hard Disk
SSD stands for…
a) Static Storage Disk
b) Solid State Drive ✅
c) Super Speed Drive
d) Synchronous Storage Device
What is the storage capacity of a standard DVD?
a) 700 MB
b) 1.44 MB
c) 4.7 GB ✅
d) 16 GB

Windows is a…
a) Hardware
b) Application
c) Operating System ✅
d) Browser
Which of these is not an operating system?
a) Windows
b) Linux
c) Oracle ✅
d) MacOS
Which company developed the Windows OS?
a) Apple
b) Microsoft ✅
c) Google
d) IBM
Linux is…
a) Proprietary software
b) Free and open-source ✅
c) Only for servers
d) None of these

What is MS Word used for?
a) Making spreadsheets
b) Word processing ✅
c) Database management
d) Graphic design
In MS Excel, formulas start with…
a) $
b) @
c) = ✅
d) #
Which key is used to refresh a page in Windows?
a) F2
b) F5 ✅
c) F1
d) F12
What is the shortcut to copy selected text?
a) Ctrl + C ✅
b) Ctrl + X
c) Ctrl + V
d) Ctrl + P
What is the default file extension of MS Word?
a) .txt
b) .xls
c) .docx ✅
d) .pdf

A program that replicates itself to spread is called…
a) Virus ✅
b) Worm
c) Trojan
d) Rootkit
Firewall is used to…
a) Store data
b) Protect against malware ✅
c) Manage files
d) Increase speed
Phishing is related to…
a) Physical theft
b) Online fraud ✅
c) Software piracy
d) Email blocking
Which of the following is a strong password?
a) 123456
b) abcdef
c) Pass1234
d) Xy@!92Gf ✅
Illegal access to systems is called…
a) Hacking ✅
b) Logging
c) Hosting
d) Routing

Python is a…
a) Low-level language
b) Markup language
c) High-level programming language ✅
d) Database
HTML stands for…
a) Hyper Tool Machine Language
b) Hypertext Markup Language ✅
c) Home Text Machine Language
d) None
Which one is not a programming language?
a) Java
b) HTML
c) C++
d) MS Word ✅
C language was developed by…
a) James Gosling
b) Dennis Ritchie ✅
c) Bjarne Stroustrup
d) Bill Gates
What symbol is used for comments in Python?
a) //
b) # ✅
c)
d) %

The binary system uses how many digits?
a) 10
b) 2 ✅
c) 8
d) 16
1 KB = ?
a) 1000 bytes
b) 1024 bits
c) 1024 bytes ✅
d) 100 bytes
Hexadecimal system has how many symbols?
a) 8
b) 10
c) 16 ✅
d) 32
Which number system is used in computers?
a) Decimal
b) Binary ✅
c) Octal
d) Hexadecimal
Which of the following is a binary number?
a) 1101 ✅
b) 1234
c) 908
d) 4456

LAN stands for…
a) Local Area Network ✅
b) Long Area Network
c) Least Area Node
d) Local Access Node
URL is…
a) User Registration Link
b) Universal Research Library
c) Uniform Resource Locator ✅
d) Unified Resource Language
USB is…
a) United Serial Bus
b) Universal System Block
c) Universal Serial Bus ✅
d) Uniform Storage Bus
GUI stands for…
a) Graphical User Interface ✅
b) General User Interface
c) Global User Interaction
d) Graphical Universal Input
IP stands for…
a) Internal Program
b) Internet Protocol ✅
c) Inter Page
d) Input Protocol

Which part is considered the brain of the computer?
a) RAM
b) CPU ✅
c) Hard Disk
d) Keyboard
What does a compiler do?
a) Runs the program
b) Edits the code
c) Translates code to machine language ✅
d) Copies files
Which of the following is not hardware?
a) Mouse
b) Monitor
c) Operating System ✅
d) CPU
Which key is used to delete selected text?
a) Shift
b) Ctrl
c) Delete ✅
d) Tab
Which component temporarily stores data for quick access?
a) RAM ✅
b) ROM
c) HDD
d) PSU

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