Electronics and Communication Engineering - Digital Electronics

6. 

As access time is decreased, the cost of memory

A. remains the same
B. increases
C. decreases
D. may increase or decrease

Answer: Option B

Explanation:

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7. 

Assertion (A): Hamming code is commonly used for error correction

Reason (R): In Hamming code the number of parity bits increases as the number of information bits increases.

A. Both A and R are correct and R is correct explanation of A
B. Both A and R are correct but R is not correct explanation of A
C. A is true, R is false
D. A is false, R is true

Answer: Option B

Explanation:

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8. 

A 2 bit binary multiplier can be implemented using

A. 2 inputs ANDs only
B. 2 I/P XOR and 4 I/P AND gate only
C. two 2 inputs NORs and One XNOR gate
D. XOR gates and shift registers

Answer: Option B

Explanation:

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9. 

A microcomputer has memory locations from 0000 to FFFF, each storing 1 byte. How many bytes can be the memory store?

A. 12333
B. 14666
C. 16384
D. 16655

Answer: Option C

Explanation:

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10. 

Typical size of digital IC is about

A. 1″ x 1″
B. 2″ x 2″
C. 0.1″ x 0.1″
D. 0.001″ x 0.001″

Answer: Option C

Explanation:

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