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Digital Electronics

Digital Electronics
(11011) 2 in BCD 8421 code is

 01101100
 00100111
 11011001
 00011011

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Digital Electronics
Simplified form of the function f = (x+y+xy)(x+z)

 x+y
 x+yz
 y+xz
 x+xyz

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

 < 12
 < 6
 < 20
 < 25

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Digital Electronics
A byte is equal to ________ bits.

 8
 32
 4
 16

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Digital Electronics
16’s complement of BABA is?

 4446
 4544
 4445
 4546

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 2:1
 2:3
 1:2
 1:1

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