Basic IT Knowledge MCQs
What does “IT” stand for in the context of technology?
A) Information Technology
B) International Trade
C) Internet Technology
D) Integrated Tools
Answer: A) Information Technology
Which of the following is not a primary function of an operating system?
A) Managing hardware resources
B) Running application software
C) Providing physical security
D) Managing files and folders
Answer: C) Providing physical security
What is the purpose of a firewall in IT security?
A) Protecting against physical theft
B) Filtering network traffic
C) Monitoring employee behavior
D) Managing software licenses
Answer: B) Filtering network traffic
Which type of software allows users to perform specific tasks like creating documents or spreadsheets?
A) System software
B) Utility software
C) Application software
D) Firmware
Answer: C) Application software
What does “CPU” stand for in computing?
A) Central Processing Unit
B) Computer Performance Utility
C) Control Program Unit
D) Communication Processing Unit
Answer: A) Central Processing Unit
Which storage device retains data even when the power is turned off?
A) RAM
B) ROM
C) Cache memory
D) Optical disc
Answer: B) ROM
What is the purpose of an IP address in networking?
A) Encrypting data transmissions
B) Identifying a device on a network
C) Providing electrical power to devices
D) Managing software updates
Answer: B) Identifying a device on a network
Which protocol is used for sending emails over the Internet?
A) HTTP
B) FTP
C) SMTP
D) SNMP
Answer: C) SMTP
What is the function of a router in a network?
A) Filtering spam emails
B) Connecting multiple networks together
C) Blocking unauthorized websites
D) Encrypting data transmissions
Answer: B) Connecting multiple networks together
Which of the following is a programming language commonly used for web development?
A) SQL
B) Java
C) HTML
D) Excel
Answer: C) HTML
What does “URL” stand for in the context of the Internet?
A) Universal Resource Locator
B) Uniform Resource Link
C) Unique Reference Link
D) Unified Resource Locator
Answer: A) Universal Resource Locator
Which type of software allows users to protect their computers from viruses and malware?
A) Firewall
B) Antivirus
C) Disk Cleanup
D) Encryption software
Answer: B) Antivirus
What is the function of a spreadsheet software like Microsoft Excel?
A) Creating and editing images
B) Managing email accounts
C) Analyzing and organizing data
D) Writing and editing text documents
Answer: C) Analyzing and organizing data
Which component of a computer system is responsible for temporarily storing data and instructions during processing?
A) Hard disk drive (HDD)
B) RAM (Random Access Memory)
C) CPU (Central Processing Unit)
D) Motherboard
Answer: B) RAM (Random Access Memory)
What does “LAN” stand for in networking?
A) Local Access Network
B) Local Area Network
C) Link Access Node
D) Longitudinal Area Network
Answer: B) Local Area Network
Which of the following is not an example of cloud storage service?
A) Google Drive
B) Dropbox
C) iCloud
D) Windows Explorer
Answer: D) Windows Explorer
Which file format is commonly used for documents that need to be printed?
A) JPG
B) MP3
C) PDF
D) GIF
Answer: C) PDF
What does “HTML” stand for in web development?
A) Hyperlinks and Tables Markup Language
B) Hyper Text Markup Language
C) High Traffic Management Language
D) Home Tool Markup Language
Answer: B) Hyper Text Markup Language
Which of the following is not a type of computer network?
A) WAN (Wide Area Network)
B) MAN (Metropolitan Area Network)
C) NAN (National Area Network)
D) PAN (Personal Area Network)
Answer: C) NAN (National Area Network)
What is the function of a modem in a computer system?
A) Displaying images on the screen
B) Connecting to the Internet
C) Printing documents
D) Scanning text
Answer: B) Connecting to the Internet
Which software application is typically used for creating and editing text documents?
A) Excel
B) Photoshop
C) Word
D) Outlook
Answer: C) Word
What does “ISP” stand for in the context of Internet services?
A) Internet Service Provider
B) Internal Security Protocol
C) Internet Security Program
D) Internet Sharing Platform
Answer: A) Internet Service Provider
Which programming language is used for creating dynamic web pages?
A) HTML
B) CSS
C) JavaScript
D) XML
Answer: C) JavaScript
What is the purpose of a cursor in a graphical user interface (GUI)?
A) Opening new applications
B) Moving text within a document
C) Switching between users
D) Saving files
Answer: B) Moving text within a document
Which software application is commonly used for editing photos and images?
A) Word
B) Excel
C) Photoshop
D) PowerPoint
Answer: C) Photoshop
What does “VoIP” stand for in communication technology?
A) Voice over Internet Protocol
B) Video over Internet Protocol
C) Virtual Office Internet Platform
D) Voice-only Internet Protocol
Answer: A) Voice over Internet Protocol
Which component of a computer system is responsible for storing data permanently?
A) RAM
B) CPU
C) Hard disk drive (HDD)
D) Cache memory
Answer: C) Hard disk drive (HDD)
What is the function of an email client software?
A) Managing email accounts
B) Filtering spam emails
C) Encrypting email messages
D) Blocking incoming emails
Answer: A) Managing email accounts
Which file format is commonly used for audio files?
A) DOC
B) MP3
C) PDF
D) TXT
Answer: B) MP3
What is the purpose of a search engine in web browsing?
A) Blocking websites
B) Encrypting data transmissions
C) Indexing and retrieving information
D) Filtering email messages
Answer: C) Indexing and retrieving information
Which software application is commonly used for creating presentations?
A) Excel
B) PowerPoint
C) Word
D) Photoshop
Answer: B) PowerPoint
What does “RAM” stand for in computing?
A) Read-Only Memory
B) Random Access Memory
C) Real-time Application Memory
D) Remote Access Mode
Answer: B) Random Access Memory
Which type of software is used for managing databases?
A) Spreadsheet software
B) Database management system (DBMS)
C) Word processing software
D) Presentation software
Answer: B) Database management system (DBMS)
What is the purpose of a URL in web browsing?
A) Encrypting data transmissions
B) Locating a specific web page
C) Managing email accounts
D) Filtering search results
Answer: B) Locating a specific web page
Which technology allows wireless communication between devices over short distances?
A) GPS
B) Bluetooth
C) Wi-Fi
D) Ethernet
Answer: B) Bluetooth
What is the purpose of an antivirus software?
A) Editing text documents
B) Protecting against viruses and malware
C) Managing email accounts
D) Encrypting data transmissions
Answer: B) Protecting against viruses and malware
Which programming language is commonly used for querying and manipulating databases?
A) Java
B) SQL
C) C++
D) Python
Answer: B) SQL
What does “PDF” stand for in document format?
A) Portable Document Format
B) Personal Data File
C) Printed Document File
D) Program Development File
Answer: A) Portable Document Format
Which software application is commonly used for browsing websites?
A) Excel
B) Word
C) PowerPoint
D) Web browser
Answer: D) Web browser
What does “GUI” stand for in computing?
A) Graphical User Interface
B) Global User Interface
C) General Usage Interface
D) Government User Interface
Answer: A) Graphical User Interface
Which software application is commonly used for editing videos?
A) Excel
B) Word
C) PowerPoint
D) Adobe Premiere Pro
Answer: D) Adobe Premiere Pro
What is the purpose of a DNS server in networking?
A) Managing email accounts
B) Encrypting data transmissions
C) Converting domain names to IP addresses
D) Filtering search results
Answer: C) Converting domain names to IP addresses
Which programming language is used for creating mobile applications?
A) Java
B) HTML
C) Swift
D) XML
Answer: C) Swift
What is the function of a spreadsheet software like Microsoft Excel?
A) Creating and editing images
B) Managing email accounts
C) Analyzing and organizing data
D) Writing and editing text documents
Answer: C) Analyzing and organizing data
Which component of a computer system is responsible for processing instructions and data?
A) RAM
B) CPU
C) Hard disk drive (HDD)
D) Cache memory
Answer: B) CPU
What is the function of a firewall in IT security?
A) Protecting against physical theft
B) Filtering network traffic
C) Monitoring employee behavior
D) Managing software licenses
Answer: B) Filtering network traffic
Which of the following is a programming language commonly used for web development?
A) SQL
B) Java
C) HTML
D) Excel
Answer: C) HTML
Which storage device retains data even when the power is turned off?
A) RAM
B) ROM
C) Cache memory
D) Optical disc
Answer: B) ROM
What does “CPU” stand for in computing?
A) Central Processing Unit
B) Computer Performance Utility
C) Control Program Unit
D) Communication Processing Unit
Answer: A) Central Processing Unit
Which of the following is not a primary function of an operating system?
A) Managing hardware resources
B) Running application software
C) Providing physical security
D) Managing files and folders
Answer: C) Providing physical security