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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 1438 to its decimal number is

9010
10710
9910
97110
None of these

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Digital Computer Electronics
The number of two-input NAND gates required to produce the two-input OR function is

3
4
1
None of these
2

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Digital Computer Electronics
The output of the following gate is 0 only if at least one of the inputs is 1:

EX-OR gate
NOR gate
AND gate
None of these
OR gate

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Digital Computer Electronics
For an input pulse train of clock period T, the delay produced by an n stage shift register is

nT
(n+l)T
2nT
(n-l)T
None of these

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Digital Computer Electronics
Conversion of binary number 11000012 to hexadecimal is

6116
5716
5116
None of these
4316

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Digital Computer Electronics
The m-bit parallel adder consists of:

None of these
m-1 full adders
m/2 full adders
m full adders
(m+1) full adders

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