Electronics and Communication Engineering - Microprocessors

41. 

Which of the following is a valid variable in FORTRAN 77?

A. 3 A
B. ALPHA -3
C. ALPHA 3
D. BALPHAC

Answer: Option C

Explanation:

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42. 

In Pascal an array declaration provides information to the Pascal processor to enable it to

A. identify the variable as an array name
B. reserve memory locations to store all the components of array
C. check the values computed for subscripts expressions during program execution with the specified lower and upper limits of subscripts
D. all of the above

Answer: Option D

Explanation:

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43. 

In which of the following instructions of 8085 are the contents of accumulator complemented?

A. STC
B. CMC
C. CMA
D. RAL

Answer: Option C

Explanation:

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44. 

Assertion (A): Microprocessors 8086 and 8088 are very similar in organisation and have identical instruction sets.

Reason (R): If clock speed is same the execution time of 8088 and 8086 are exactly equal.

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 C

Explanation:

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45. 

In which of the following logical group instructions of 8085 is the addressing mode 'immediate'?

A. ANA r
B. ANA M
C. ANI data
D. XRA r

Answer: Option C

Explanation:

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