Which of these keys is used to undo an action? (A) Ctrl + X (B) Ctrl + C (C) Ctrl + Z (D) Ctrl + V Answer: (C)
Which of the following is not a web browser? (A) Internet Explorer (B) Safari (C) Adobe Reader (D) Mozilla Firefox Answer: (C)
What is the full form of CPU? (A) Central Performance Unit (B) Central Processing Unit (C) Computer Processing Unit (D) Control Processing Unit Answer: (B)
Which shortcut key is used to ‘Select All’? (A) Ctrl + A (B) Ctrl + S (C) Ctrl + X (D) Ctrl + D Answer: (A)
Which of the following devices is used to output sound? (A) Monitor (B) Printer (C) Speaker (D) Joystick Answer: (C)
Which key is used to open the Start menu in Windows? (A) Esc (B) Windows Key (C) Alt (D) Ctrl Answer: (B)
Which of these is a social networking site? (A) Google (B) Facebook (C) Yahoo (D) Gmail Answer: (B)
Which of the following is not hardware? (A) RAM (B) Monitor (C) Operating System (D) Keyboard Answer: (C)
The main circuit board in a computer is called – (A) RAM (B) Processor (C) Motherboard (D) Hard Drive Answer: (C)
What is the full form of USB? (A) Universal Software Bus (B) Uniform Serial Bus (C) Universal Serial Bus (D) Unique System Bus Answer: (C)
Which part of the CPU performs arithmetic operations? (A) CU (B) ALU (C) Register (D) Cache Answer: (B)
Which device can read text or pictures printed on paper and convert them into digital form? (A) Printer (B) Scanner (C) Monitor (D) Mouse Answer: (B)
Which file extension is used for PowerPoint presentations? (A) .docx (B) .xlsx (C) .pptx (D) .pdf Answer: (C)
Which of the following is not an operating system? (A) Linux (B) Android (C) Python (D) Windows Answer: (C)
Which device is used to back up data? (A) Scanner (B) Printer (C) Flash Drive (D) Monitor Answer: (C)
Which of the following is a type of malware? (A) Firewall (B) Antivirus (C) Worm (D) Backup Answer: (C)
Which of the following can be both input and output device? (A) Keyboard (B) Monitor (C) Touchscreen (D) Printer Answer: (C)
What does HTTP stand for? (A) Hyperlink Transfer Text Protocol (B) HyperText Transfer Protocol (C) HighText Transfer Protocol (D) High Transfer Text Program Answer: (B)
Which of the following is NOT a storage device? (A) Hard Disk (B) CD (C) RAM (D) Keyboard Answer: (D)
Which device is required to access the internet? (A) Router (B) Modem (C) UPS (D) RAM Answer: (B)
Which of the following is a cloud storage service? (A) OneDrive (B) VLC (C) WinRAR (D) Adobe Reader Answer: (A)
Which type of software is used to create text documents? (A) Spreadsheet (B) Presentation (C) Word Processor (D) Database Answer: (C)
Which company developed the Java programming language? (A) IBM (B) Microsoft (C) Sun Microsystems (D) Oracle Answer: (C)
What is the brain of the computer system? (A) Monitor (B) RAM (C) CPU (D) Hard Drive Answer: (C)
The permanent memory of a computer is – (A) RAM (B) Cache (C) ROM (D) Register Answer: (C)
Which is the largest unit of storage? (A) GB (B) MB (C) KB (D) TB Answer: (D)
Which shortcut key is used to print a document? (A) Ctrl + P (B) Ctrl + S (C) Ctrl + A (D) Ctrl + D Answer: (A)
The process of starting a computer is known as – (A) Installing (B) Booting (C) Uploading (D) Executing Answer: (B)
Which of these is used to organize files on a computer? (A) Folder (B) Document (C) Drive (D) Link Answer: (A)
The clickable text or image that takes you to another page is – (A) Hyperlink (B) Shortcut (C) Folder (D) Tab Answer: (A)
Which of the following is used to compress files? (A) MS Word (B) Notepad (C) WinZip (D) Excel Answer: (C)
Which part of the computer helps you hear audio? (A) Printer (B) Speaker (C) Mouse (D) Scanner Answer: (B)
Which menu is selected to cut, copy, and paste? (A) File (B) Edit (C) View (D) Insert Answer: (B)
Which protocol is used to send email? (A) HTTP (B) FTP (C) SMTP (D) SNMP Answer: (C)
Which of the following uses a light beam to read data? (A) Magnetic tape (B) Floppy (C) CD-ROM (D) SSD Answer: (C)
The default extension of Word file is – (A) .doc (B) .docx (C) .txt (D) .xls Answer: (B)
Which of the following is a mobile operating system? (A) Ubuntu (B) Android (C) Fedora (D) Windows 10 Answer: (B)
Which of the following is not a basic function of an operating system? (A) Process management (B) Disk management (C) Virus protection (D) Memory management Answer: (C)
Which of the following is used for video conferencing? (A) Skype (B) Excel (C) Paint (D) VLC Answer: (A)
Which key is used to enter full screen mode in browsers? (A) F1 (B) F5 (C) F11 (D) Esc Answer: (C)
Which of these is not a web-based email provider? (A) Gmail (B) Yahoo Mail (C) Outlook (D) Oracle Answer: (D)
Which type of memory is used to store BIOS settings? (A) RAM (B) ROM (C) CMOS (D) Cache Answer: (C)
The temporary storage area for files to be printed is – (A) Buffer (B) Queue (C) Spool (D) Heap Answer: (C)
Which device controls the pointer on the screen? (A) Keyboard (B) Scanner (C) Joystick (D) Mouse Answer: (D)
Which of the following is NOT a database management system? (A) Oracle (B) MySQL (C) MS Access (D) Linux Answer: (D)
Which programming language is used for AI? (A) C (B) FORTRAN (C) Python (D) COBOL Answer: (C)
Which of these is a widely used email protocol? (A) SMTP (B) HTML (C) IP (D) DNS Answer: (A)
Which one is not a type of network? (A) LAN (B) WAN (C) MAN (D) PANIC Answer: (D)
Which device provides power backup to a computer? (A) Router (B) Modem (C) USB (D) UPS Answer: (D)
Which key combination is used to lock a computer screen in Windows? (A) Ctrl + L (B) Alt + L (C) Windows + L (D) Shift + L Answer: (C)