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Digital Computer Electronics

Digital Computer Electronics
Subtraction of 1001011002 from 11101010102 is

11110111112
10010111102
11110000012
None of these
1101000012

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Digital Computer Electronics
What is the hexadecimal equivalent of a binary number 10101111

All of these
9E
8C
AF
None of these

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Digital Computer Electronics
ASCII and EBCDIC differ in

the number of bytes used to store characters
None of these
their collecting sequences
their efficiency in storing data
the random and sequential access method

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Digital Computer Electronics
Conversion of binary number 1010000101112 to hexadecimal number is

A1716
D8F916
None of these
D9F816
A8B916

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

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

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Digital Computer Electronics
Conversion of binary number 1011012 to its decimal number is

4510
4010
None of these
4310
4710

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