Digital Electronics - ECE Questions and Answers

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The number of bits in a nibble is

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In digital computer programming, subroutines are used

to reduce program execution time at the expense of more memory

to reduce storage requirements

to increase programming ease and reduce storage requirements

because most of the functions are same

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Equation x_l0 = 11001001₂ when solved for x gives the value of x as

111

152

201

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Nibble is

a string of 4 bits

a string of 8 bits

a string of 16 bit

a string of 64 bits

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The sum S of A and B in a Half Adder can be implemented by using K NAND gates. The value of K is

none of these

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When a bit is 0 is a DDR, it makes the corresponding port pin an __________ On the other hand, a 1 bit programs a __________ Pin.

output, input

output, output

input, input

input, output

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Which of the following input is not possible in case of a SR flip-flop?

S = 0, R = 0

S = 0, R = 1

S = 1, R = 0

S = 1, R = 1

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The Truth Table shown is for a

CMO

counter

flip-flop

half adder

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The advantages of flash memory over EEPROM are

higher density

lower cost

both higher density and lower cost

none of the above