题目内容

Which of the following components is called “the brain of the computer”?

A. Memory
B. Joystick
CPU
D. Keyboard

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What are the two most common types of memory?

A. Static RAM and dynamic RAM
B. Screens and scanners
C. ALU and CU
D. File servers

Which of the following elements is an output device?

A. Image scanner
B. Monitor
C. Mouse
D. Touch screen

What devices are used to enter information into the system?

A. RAMs
B. Projections
C. Output devices
D. Input devices

Which device can generate (生成) a hard copy of the electronic data stored on a computer?

A. Laser printers
B. Screens
C. Simulators
D. Microphones