Electronics and Communication Engineering - Microprocessors

31. 

In 8085

A. RST 6.5 and RST 5.5 are high level sensitive interrupts
B. RST 6.5 and RST 5.5 are low level sensitive interrupts
C. RST 5.5 is low level sensitive interrupt but RST 5.5 is high level-sensitive interrupt
D. RST 5.5 is low level sensitive interrupt but RST 6.5 is high level sensitive interrupt

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

32. 

Assertion (A): Microprocessor 8085 has an 8 bit register called accumulator which stores intermediate answers during a computer operation.

Reason (R): Accumulator can send or receive data.

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 correct R is wrong
D. A is wrong R is correct

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

33. 

Assertion (A): Interfacing means synchronisation of digital information transmission between input output devices and computer.

Reason (R): A computer with higher bit word size executes programs at a faster rate.

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 correct R is wrong
D. A is wrong R is correct

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

34. 

IC 74181 is a 4 bit device.

A. True
B. False

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

35. 

Which of the following instructions in 8085 does not belong to data transfer group?

A. L X I rp, data 16
B. MOV M, r
C. MVIM, data
D. ADC M

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.