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Digital Electronics

Digital Electronics
A binary number system is of base ________

 4
 10
 2
 1

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -6, -6 and -6 respectively
 -7, -7 and -7 respectively
 25, 9 and 57 respectively
 -25, -9 and -57 respectively

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Digital Electronics
The number FF in base-16 systems will be equal to ________ in binary system.

 10011001
 10101010
 11111111
 11101110

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

CMOS
ECL
TTLLS
TTLAS

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Digital Electronics
A self-complementing code for the decimal digits is created using the weight 4 4 3 -2. The value of 8592 in the code is

 1100 0111 1111 0011
 1000 0101 1001 0010
 1100 1011 1111 1001
 1100 1001 1111 1000

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin13
 Pin2
 Pin14
 Pin1

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