9. Which key is used to delete characters to the left of the cursor?
a) Deleteb) Backspace
c) Enter
d) Shift
10. Shortcut key to paste content?
a) Ctrl + Vb) Ctrl + X
c) Ctrl + C
d) Ctrl + Z
11. What is the function of an operating system?
a) Compiling programsb) Controlling peripherals
c) Managing memory and hardware
d) All of the above
12. Which of the following is an output device?
a) Mouseb) Keyboard
c) Monitor
d) Scanner
13. Which software is used to create presentations?
a) MS Wordb) MS Excel
c) MS PowerPoint
d) MS Paint
14. Which of the following is an open-source OS?
a) Windowsb) MacOS
c) Linux
d) DOS
15. Which company developed MS Office?
a) IBMb) Apple
c) Google
d) Microsoft
16. Which part of a computer is considered the 'brain'?
a) RAMb) CPU
c) Hard Drive
d) Monitor
17. Which one is NOT an operating system?
a) Windowsb) Android
c) Intel
d) Linux
18. What does URL stand for?
a) Uniform Resource Locatorb) Uniform Resource Link
c) Unified Return Location
d) Universal Remote Location
19. Which is not a valid storage device?
a) USBb) SSD
c) RAM
d) ROM
20. Which protocol is used for secure communication over the internet?
a) FTPb) HTTP
c) HTTPS
d) SMTP

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