Basics Of Hardware & Software

11. What is hardware?
a) A collection of computer programs
b) The physical components of a computer system
c) The instructions that tell a computer what to do
d) The part of a computer system that displays information

12. What is software?
a) The physical components of a computer system
b) The instructions that tell a computer what to do
c) The part of a computer system that displays information
d) The process of making sure a computer is running smoothly

13. What is the main function of the central processing unit (CPU)?
a) To store data
b) To control the input and output devices
c) To execute instructions
d) To display information

14. Which of the following is an example of an input device?
a) Printer
b) Keyboard
c) Monitor
d) Speakers

15. Which of the following is an example of an output device?
a) Printer
b) Keyboard
c) Mouse
d) Scanner