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Digital Computer Electronics

Digital Computer Electronics
The 1's compliment of binary number 11010 is:

110
101
11101
None of these
10

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Digital Computer Electronics
Which of the following flip-flops is free from race around problem?

All of these
SR flip-flop
None of these
master slave JK flip-flop
T flip-flop

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

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

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Digital Computer Electronics
What does 4k represent?

None of these
4000
4096
40
400

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Digital Computer Electronics
Conversion of decimal number 8910 it's binary number equivalent is

None of these
10110112
100112
10110012
11001112

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Digital Computer Electronics
What is the 2's-complement representation of -24 in a 16-bit microcomputer?

0001 0001 1111 0011
None of these
1111 1111 1110 0111
1111 1111 1110 1000
0000 0000 0001 1000

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