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Digital Computer Electronics

Digital Computer Electronics
Conversion of decimal number 9910 to hexadecimal number is

6316
5016
816
6116
None of these

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Digital Computer Electronics
Which of the following logic expression is wrong?

1 + 0=1
1+0+1 = 1
1 + 1 + 1 = 1
None of these
1 + 1=0

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Digital Computer Electronics
A shift register moves the _____ left or right. Serial loading means storing a word in a shift register by entering _____ bit per clock pulse. With parallel or broadside loading, it takes only one _____ pulse to load the input word.

None of these
bits, one, register
bits, one, clock
right, eight, clock
light, eight, clock

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Digital Computer Electronics
Conversion of an octal number 738 to binary number is

1100102
None of these
1110112
1111002
1101112

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Digital Computer Electronics
A typical microcomputer may have up to 65,536 registers in its memory. Each of these registers, usually called a _____

registers
chip
None of these
address
memory location

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Digital Computer Electronics
A 2's-complement adder-subtracter can add or subtract binary numbers. Sign-magnitude numbers represent _____ decimal numbers, and 2's complements stand for _____ decimal numbers.

negative, positive
sign, hexa
hexa, sign
positive, negative
None of these

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