题目内容

The hexadecimal number corresponding to the binary number 110010010 can be expressed as ()

A. 192H
B. C90H
C. 1A2H
D. CA0H

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The hexadecimal number corresponding to the binary number 110110110 can be expressed as ()

A. 1D3H
B. 1B6H
C. DB0H
D. 666H

The main components of MCS-51 CPU are ()

Arithmetic unit and controller
B. Adder, register
C. Arithmetic unit, register
D. Arithmetic unit, instruction decoder

The main components of the computer are ()

A. CPU, memory, I / O
B. CPU, keyboard, monitor
C. Host, external device
D. All of the above

Intel 8051 CPU is a () bit MCU

A. 16
B. 4
C. 8
D. Quasi-16(准16位)

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