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Digital Electronics

Digital Electronics
In SSI, the number of gate circuits per chip is

 < 25
 < 20
 < 6
 < 12

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Digital Electronics
Which of the following is 1’s complement representation of +57

 11000110
 00111001
 01000110
 00000001

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Digital Electronics
The number 10000 would appear just immediately after

All of these
7777 (octal)
FFFF (hex)
1111 (binary)

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -89 as 10100111
 -32 as 11100000
 -37 as 11011011
 -48 as 11101000

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Digital Electronics
Which of the following is 2’s complement of +12?

 00001000
 00001100
 01110011
 00000011

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 X-OR gates
 NAND gates
 NOR gates
 AND gates

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