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Digital Computer Electronics

Digital Computer Electronics
Which of the following Boolean algebra rules is wrong?

1 + A = 1
None of these
A + A = A
0 + A = A
1 . x = 1

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Digital Computer Electronics
A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called as

encoder
multiplexer
decoder
demultiplexer
None of these

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Digital Computer Electronics
Conversion of binary number 1100002 to hexadecimal is

None of these
4016
2716
4316
3016

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

10010000000102
10001010001012
11110110000102
None of these
10110101110102

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Digital Computer Electronics
A diagram that illustrates the ore (Logic) of functions in a progran called a

Direction of flow
Flowchart
All of these
None of these
Sequence of steps

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Digital Computer Electronics
Express -7 as 16-bit signed binary numbers.

None of these
0111 0000 0000 0001
0111 0000 0000 0000
0000 0000 0000 0111
1000 0000 0000 0111

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