Electronics and Communication Engineering - Digital Electronics

41. 

In order to enable RST 5.5, RST 6.5 and RST 7.5 interrupts, which of the following instructions are needed?

A. El only
B. SIM only
C. El and SIM only
D. None

Answer: Option C

Explanation:

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42. 

Digital technologies being used now-a-days are

A. DTL and EMOS
B. TTL, ECL, CMOS and RTL
C. TTL, ECL and CMOS
D. TTL, ECL. CMOS and DTL

Answer: Option B

Explanation:

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43. 

A seven bit code (even parity) 1111101 may have error. The correct code is

A. 1111101
B. 1111111
C. 0101011
D. 1100011

Answer: Option B

Explanation:

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44. 

A/D parallel converter is also called flash converter.

A. True
B. False

Answer: Option A

Explanation:

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45. 

Square root of 4 is

A. (16)16
B. (2)2
C. (8)16
D. (5)16

Answer: Option D

Explanation:

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