Everyday Science

Computer Science & IT MCQs With Answer

Which part of a computer is responsible for executing instructions?
A) RAM
B) Hard Drive
C) CPU
D) Monitor

Which of the following is an example of an input device?
A) Printer
B) Monitor
C) Keyboard
D) Speaker

What does RAM stand for?
A) Read Access Memory
B) Random Access Memory
C) Run Access Memory
D) Read and Modify

Which of these is a non-volatile storage device?
A) RAM
B) ROM
C) Cache
D) Register

Which unit of the CPU performs arithmetic operations?
A) Control Unit
B) Memory Unit
C) Arithmetic Logic Unit
D) Input Unit

What does HTTP stand for?
A) HyperText Transmission Protocol
B) HyperText Transfer Protocol
C) HighText Transfer Protocol
D) HyperText Transport Process

Which of the following is an example of system software?
A) MS Word
B) Windows OS
C) Adobe Photoshop
D) Google Chrome

Which programming language is used for web development?
A) Python
B) Java
C) HTML
D) C++

Which protocol is used to send emails?
A) HTTP
B) SMTP
C) FTP
D) TCP

What is the main function of an operating system?
A) Perform calculations
B) Manage hardware and software resources
C) Edit documents
D) Run websites

Which of the following is NOT a programming language?
A) Python
B) Java
C) Microsoft Excel
D) C++

Which type of network covers a large geographic area?
A) LAN
B) MAN
C) WAN
D) PAN

What is the full form of IP in networking?
A) Internet Protocol
B) Internal Process
C) Information Pathway
D) Internet Port

Which of the following is NOT an operating system?
A) Linux
B) Windows
C) MS Excel
D) macOS

Which device connects multiple computers in a network?
A) Modem
B) Router
C) Printer
D) Scanner

What is the function of a firewall?
A) Store data permanently
B) Protect the network from unauthorized access
C) Enhance internet speed
D) Perform virus scans

Which data structure works on the principle of Last In, First Out (LIFO)?
A) Queue
B) Stack
C) Linked List
D) Array

Which of the following is a relational database management system?
A) MS Word
B) Oracle
C) Photoshop
D) Google Docs

Which of the following is an example of cloud storage?
A) USB Drive
B) Google Drive
C) Hard Disk
D) CD-ROM

What is the binary equivalent of the decimal number 10?
A) 1010
B) 1100
C) 1001
D) 1111

What does URL stand for?
A) Uniform Resource Locator
B) Universal Routing Link
C) Unified Resource Link
D) Unique Reference Label

Which of the following is NOT an input device?
A) Mouse
B) Keyboard
C) Monitor
D) Scanner

Which type of malware replicates itself and spreads to other devices?
A) Virus
B) Trojan
C) Spyware
D) Ransomware

Which technology is used for secure online transactions?
A) SSL
B) FTP
C) POP3
D) IMAP

Which company developed the Windows operating system?
A) Apple
B) Google
C) Microsoft
D) IBM

Which of the following is NOT a web browser?
A) Google Chrome
B) Mozilla Firefox
C) Adobe Reader
D) Microsoft Edge

Which protocol is used for transferring files over the internet?
A) FTP
B) HTTP
C) SMTP
D) DNS

Which of the following is an example of an open-source operating system?
A) Windows
B) Linux
C) macOS
D) iOS

Which language is mainly used for Android app development?
A) Swift
B) Java
C) Python
D) Ruby

What does DNS stand for?
A) Data Network Service
B) Domain Name System
C) Digital Numbering System
D) Distributed Network Service

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