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Digital Electronics

Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 65,536
 32
 32,768
 32,767

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 NOR
 NAND
 X-OR
 X-NOR

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

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Digital Electronics
The way of representing numbers in the form of 0s and 1s is called as

 Binary Notation
 Ones Notation
 Computer Notation
 Zeros Notation

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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?

 1:1
 1:2
 2:1
 2:3

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Digital Electronics
Which logic family provide minimum power dissipation

 CMOS
 TTL
 ECL
 JFET

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