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Digital Computer Electronics

Digital Computer Electronics
Subtraction of 1001011002 from 11101010102 is

11110111112
11110000012
10010111102
1101000012
None of these

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Digital Computer Electronics
The hexadecimal digits are 0 to 9 and A to _____

F
G
D
E
None of these

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Digital Computer Electronics
How many full and half-adders are required to add 16-bit numbers?

None of these
4 half-adders, 12 full-adders
1 half-adders, 15 full-adders
8 half-adders, 8 full-adders
16 half-adders, no full-adders

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Digital Computer Electronics
Cyclic codes are used in

data transfer
All of these
arithmetic and logical computation
None of these
continuously varying signal representation

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Digital Computer Electronics
How many full adders are required to construct an m- bit parallel adder?

m
None of these
m-1
m+1
m/2

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Digital Computer Electronics
The hexadecimal number system is widely used in analyzing and programming ______

vacuum tube
registers
microprocessors
chips
None of these

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