Electronics and Communication Engineering - Digital Electronics

36. 

For the K map of the given figure the simplified Boolean expression is

A. ACD + ABD + BCD
B. ACD + BCD
C. ACD + ABD
D. none of the above

Answer: Option B

Explanation:

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37. 

The term VLSI generally refers to a digital IC having

A. more than 1000 gates
B. more than 100 gates
C. more than 1000 but less than 9999 gates
D. more than 100 but less than 999 gates

Answer: Option C

Explanation:

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38. 

11012 - 10012 =

A. 1000
B. 0100
C. 0010
D. 0001

Answer: Option B

Explanation:

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39. 

Which of the following memories normally has highest storage capacity?

A. Magnetic disc
B. Magnetic tape
C. Semiconductor memory
D. Core memory

Answer: Option A

Explanation:

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40. 

The number of comparators of needed in a parallel conversion type 8 bit A to D converter is

A. 8
B. 16
C. 255
D. 256

Answer: Option C

Explanation:

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