11. The physical parts of a computer are called:
A) Software
B) Hardware
C) Data
D) Programs
Answer: B) Hardware
12. Programs and applications are called:
A) Hardware
B) Software
C) Devices
D) Tools
Answer: B) Software
13. Which of the following is a type of computer?
A) Analog computer
B) Hybrid computer
C) Digital computer
D) All of these
Answer: D) All of these
14. Analog computers work with:
A) Continuous data
B) Binary data
C) Letters
D) Words
Answer: A) Continuous data
15. Digital computers process:
A) Continuous signals
B) Discrete data
C) Analog signals
D) Sound waves
Answer: B) Discrete data
16. Hybrid computers combine:
A) Analog and Digital computers
B) Hardware and Software
C) Input and Output
D) Data and Information
Answer: A) Analog and Digital computers
17. Which computer is the most powerful?
A) Microcomputer
B) Supercomputer
C) Minicomputer
D) Laptop
Answer: B) Supercomputer
18. Supercomputers are mainly used for:
A) Playing games
B) Weather forecasting
C) Writing letters
D) Typing documents
Answer: B) Weather forecasting
19. A personal computer is also called:
A) Supercomputer
B) Microcomputer
C) Mainframe
D) Server
Answer: B) Microcomputer
20. Which computer is used by many users simultaneously?
A) Laptop
B) Tablet
C) Mainframe computer
D) Smartphone
Answer: C) Mainframe computer