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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 4
41.
A microprocessor can understand instruction written in
machine language only
mnemonics operation codes only
high language only
both machine language and mnemonics operation codes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Which language has a preprocessor?
Fortran 77
Pascal
C
None of the above
Answer: Option
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
600
400
240000
either (a) or (b)
Answer: Option
Explanation:
No answer description is available. Let's 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
1
11
10
4
Answer: Option
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?
Y - X
(A + B) (C + D)
X / Y - Z
P * Z - 5.0
Answer: Option
Explanation:

Operator is missing.

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