Which of these keys is used to open Windows File Explorer?
(A) Windows + F
(B) Windows + E
(C) Ctrl + E
(D) Alt + E
Answer: (B)

What is the main purpose of the operating system?
(A) Browsing the internet
(B) Editing documents
(C) Managing computer hardware and software
(D) Creating presentations
Answer: (C)

Which of these is not an email client?
(A) Outlook
(B) Thunderbird
(C) Yahoo Mail
(D) Firefox
Answer: (D)

Which of the following is a biometric input device?
(A) Webcam
(B) Fingerprint scanner
(C) Microphone
(D) Touchpad
Answer: (B)

Which technology is used in Bluetooth?
(A) Infrared
(B) Wi-Fi
(C) Radio waves
(D) Microwave
Answer: (C)

Which type of file is created when saving a Word document by default?
(A) .doc
(B) .docx
(C) .txt
(D) .xls
Answer: (B)

Which protocol is used for web browsing?
(A) FTP
(B) SMTP
(C) POP
(D) HTTP
Answer: (D)

Which of the following is not a web server software?
(A) Apache
(B) Nginx
(C) Tomcat
(D) Photoshop
Answer: (D)

Which part of the computer holds data permanently?
(A) RAM
(B) ROM
(C) Hard Disk
(D) Cache
Answer: (C)

What is the unit of measurement for data transfer speed?
(A) Mbps
(B) GHz
(C) DPI
(D) RPM
Answer: (A)

What does LAN primarily connect?
(A) Countries
(B) Continents
(C) Local devices
(D) Satellites
Answer: (C)

Which application is used to view PDF files?
(A) VLC
(B) Adobe Reader
(C) Chrome
(D) WinZip
Answer: (B)

Which of the following is a multi-user operating system?
(A) Windows XP
(B) DOS
(C) Linux
(D) macOS
Answer: (C)

Which of the following is a device used for pointing and clicking?
(A) Monitor
(B) Mouse
(C) Keyboard
(D) Printer
Answer: (B)

Which of the following stores the startup instructions for a computer?
(A) Hard Drive
(B) RAM
(C) ROM
(D) CPU
Answer: (C)

Which shortcut key is used to underline text in MS Word?
(A) Ctrl + I
(B) Ctrl + B
(C) Ctrl + U
(D) Ctrl + T
Answer: (C)

Which of these is a Microsoft database management system?
(A) Excel
(B) Access
(C) Word
(D) OneNote
Answer: (B)

Which computer memory is faster than RAM but smaller in size?
(A) SSD
(B) Hard Drive
(C) Cache
(D) Flash
Answer: (C)

What is the default alignment for text in Word documents?
(A) Center
(B) Right
(C) Justify
(D) Left
Answer: (D)

Which key is used to permanently delete a file?
(A) Delete
(B) Shift + Delete
(C) Ctrl + Delete
(D) Alt + Delete
Answer: (B)

Which of the following is a Linux distribution?
(A) Fedora
(B) Windows
(C) MacOS
(D) DOS
Answer: (A)

Which of these is NOT a storage device?
(A) SSD
(B) RAM
(C) Cache
(D) Scanner
Answer: (D)

What does a compiler do?
(A) Translates code
(B) Debugs code
(C) Executes code
(D) Deletes files
Answer: (A)

What is the brain of the computer also called?
(A) RAM
(B) ROM
(C) CPU
(D) Cache
Answer: (C)

Which of these is an example of an email protocol?
(A) POP3
(B) DNS
(C) DHCP
(D) FTP
Answer: (A)

What is the maximum number of characters allowed in a filename in Windows?
(A) 256
(B) 255
(C) 512
(D) 128
Answer: (B)

Which of the following is not a spreadsheet software?
(A) Excel
(B) Numbers
(C) Calc
(D) Photoshop
Answer: (D)

Which shortcut is used to ‘Paste’ text or files?
(A) Ctrl + P
(B) Ctrl + V
(C) Ctrl + X
(D) Ctrl + A
Answer: (B)

Which of these is a system software?
(A) MS Word
(B) Operating System
(C) Browser
(D) VLC
Answer: (B)

Which key is used to refresh the current window in Windows?
(A) F5
(B) F1
(C) F12
(D) F8
Answer: (A)

Which key combination is used to lock your Windows screen?
(A) Windows + L
(B) Ctrl + Alt + L
(C) Alt + Shift + L
(D) Ctrl + L
Answer: (A)

Which of the following is NOT an input device?
(A) Keyboard
(B) Mouse
(C) Touchpad
(D) Projector
Answer: (D)

Which port is commonly used for internet browsing?
(A) 80
(B) 21
(C) 443
(D) 110
Answer: (A)

Which is NOT a layer in the OSI model?
(A) Transport
(B) Internet
(C) Session
(D) Network
Answer: (B)

What does the shortcut Ctrl + N do in many applications?
(A) Open new file
(B) Save file
(C) Print document
(D) Copy file
Answer: (A)

Which of these represents a local IP address?
(A) 192.168.0.1
(B) 8.8.8.8
(C) 172.217.5.110
(D) 151.101.1.69
Answer: (A)

Which language is most commonly used for Android app development?
(A) Swift
(B) Kotlin
(C) Python
(D) C++
Answer: (B)

Which part of the CPU fetches and decodes instructions?
(A) ALU
(B) Control Unit
(C) Memory Unit
(D) Register
Answer: (B)

Which of the following is a valid MAC address?
(A) 00:1A:2B:3C:4D:5E
(B) 256.256.256.256
(C) 10.0.0.1
(D) AA:BB:CC:GG:HH:II
Answer: (A)

Which of these is used to keep multiple apps open simultaneously on screen?
(A) Task Manager
(B) Task View
(C) Start Menu
(D) Control Panel
Answer: (B)

Which of the following is a compressed file format?
(A) .zip
(B) .pdf
(C) .docx
(D) .jpg
Answer: (A)

Which of these commands is used in Command Prompt to list directory contents?
(A) ls
(B) dir
(C) cd
(D) mkdir
Answer: (B)

Which of these is used for checking system memory usage?
(A) Disk Cleanup
(B) Task Manager
(C) Event Viewer
(D) File Explorer
Answer: (B)

What is the purpose of DHCP in networking?
(A) Assign IP addresses
(B) Secure connections
(C) Block websites
(D) Encrypt data
Answer: (A)

Which device is required for video conferencing?
(A) Joystick
(B) Microphone
(C) Scanner
(D) Printer
Answer: (B)

Which one is used to keep the computer powered during electricity failure?
(A) Stabilizer
(B) Inverter
(C) UPS
(D) Adapter
Answer: (C)

Which of the following formats is used for web images?
(A) .avi
(B) .png
(C) .doc
(D) .exe
Answer: (B)

Which key is used to open the start menu?
(A) Ctrl
(B) Shift
(C) Esc
(D) Windows Key
Answer: (D)

What does HTTP stand for?
(A) High Transfer Text Protocol
(B) Hyper Text Transfer Protocol
(C) Hyperlink Transfer Protocol
(D) High-Tech Transfer Package
Answer: (B)

Which of the following devices is both input and output?
(A) Mouse
(B) Monitor
(C) Touchscreen
(D) Printer
Answer: (C)