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The most comon keyboard device use the QWERTY keyboard. It called
a “QWERTY” keyboard because there is the first six
letters on the top left of
the keyboard. The multimedia input devices is digit kamera, webcam, video
capture, scanner, and voice data entry.
4. Answer these multiple-choice questions about science and technology.
1.
What Is a computer?
A. a device
to process information
B. a device to accept information
C. a device to accept and input information
2.
What units does the case (or chassis) house?
A. a motherboard,
a power supply unit, RAM, CPU, ROM
B. CU, a power supply unit, ALU, ROM
C. a motherboard, CU, CPU, ROM
3.
What kind of storage do you know?
A.
primary and direct
B. secondary and indirect
C. primary and secondary
4.
What basic types of computers can you name?
A.
digital and numerical
B. digital and analog
C. numerical and analog
5.
What are the main components of the CPU?
A. CU and ALU
B.
CU and a power supply unit
C. ALU and RAM
