The hexadecimal number corresponding to the binary number 110110110 can be expressed as ()
A. 1D3H
B. 1B6H
C. DB0H
D. 666H
查看答案
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)
For Intel 8051, EA pin is always ()
A. Grounding
B. Connect the power supply
C. Hanging in the air
D. No
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