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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 608 to binary number is

11001102
100112
11001112
1100002
None of these

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Digital Computer Electronics
The ALU carries out arithmetic and logic operations. It processes _____ numbers rather than decimal numbers.

binary
None of these
decimal
hexadecimal
All of these

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Digital Computer Electronics
With a JK master-slave flip-flop the master is cocked when the clock is _____ and the slave is triggered when the clock is _____

None of these
high, low
set, reset
race, no change
set, race

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Digital Computer Electronics
Parallel adders are

None of these
All of these
sequential logic circuits
combinational logic circuits
both of the above

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Digital Computer Electronics
The 2-input XOR gate has a high output only when the input bits are _____

low
high
different
even
None of these

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Digital Computer Electronics
Which of the following boolean algebra statements represent commutative law

(A+B)+CA+(B+C)
(B+C)(A.B)+(A.C)
A+AA
A+BB+A
None of these

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