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Digital Computer Electronics

Digital Computer Electronics
Addition of 1101011012, 1110111012, 0001111112, 1001011012, 1111101112 is

10110101110102
11110110000102
None of these
10001010001012
10010000000102

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Digital Computer Electronics
An AND gate has 7 inputs, what is the only input word that produces a 1 output?

1111111
1111
None of these
1110000

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

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

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Digital Computer Electronics
A full-adder adds _____ bits, and producing a SUM and a _____

16, DIVIDE
8, SUBTRACTION
3, CARRY
All of these
None of these

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Digital Computer Electronics
A flip-flop is a _____ element that stores a binary digit as a low or high voltage.

memory
chip
bus
I/O
None of these

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Digital Computer Electronics
Conversion of an octal number 1438 to hexadecimal number is

6016
5716
5016
6316
None of these

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