The decimal number 89.75 and its corresponding binary can be expressed as ()
A. 10001001.01110101
B. 1001001.10
C. 1011001.11
D. 10011000.11
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The hexadecimal number corresponding to the binary number 110010010 can be expressed as ()
A. 192H
B. C90H
C. 1A2H
D. CA0H
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
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