Electronics and Communication Engineering - Microprocessors

41. 

A microprocessor can understand instruction written in

A. machine language only
B. mnemonics operation codes only
C. high language only
D. both machine language and mnemonics operation codes

Answer: Option A

Explanation:

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

42. 

Which language has a preprocessor?

A. Fortran 77
B. Pascal
C. C
D. None of the above

Answer: Option C

Explanation:

Preprocessor processes the source program before it is passed to compiler.


43. 

In a display specified as 600 x 400 the number of pixels across the display screen is

A. 600
B. 400
C. 240000
D. either (a) or (b)

Answer: Option A

Explanation:

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

44. 

Consider the following DO statement in Fortran 77

DO 12 A = 1.0, 5.5, 0.5

The number of DO loop executions in the above statement is

A. 1
B. 11
C. 10
D. 4

Answer: Option C

Explanation:

Do loop executations are for A = 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5 or a total of 10 times.


45. 

Which of the following real expressions is incorrect in Pascal?

A. Y - X
B. (A + B) (C + D)
C. X / Y - Z
D. P * Z - 5.0

Answer: Option B

Explanation:

Operator is missing.