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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 1
41.
If A = 20 and B = - 7 in PASCAL, A mod B =
6
2
- 1
3
Answer: Option
Explanation:

It gives remainder in division operation.

42.
Which of the following is a computer language?
MS WORD
Page maker
MS EXCEL
LISP
Answer: Option
Explanation:

LISP is a computer language. The remaining are software packages.

43.
Which of the following DO statements is invalid in FORTRAN 77?
DO 161 = 1, 15
DO 16 1 = 1, 10, 1
DO 16 I = - 5, 5, 2
none of the above
Answer: Option
Explanation:

All are valid.

44.
Read the following statements about files in Pascal
  1. A file is a data structure which consists of a sequence of components of the same type.
  2. The number of components in a file is variable.
  3. The components in a file can be accessed only sequentially starting from the beginning of the file.
Which of the above are correct?
All
1 and 2 only
2 and 3 only
1 and 3 only
Answer: Option
Explanation:

All statements are true.

45.
Consider the following C program int ram

float alpha, gamma
ram = 6400
alpha = 0.562
gamma = alpha * ram + 1

Now consider the following statements about this program
  1. ram is an integer variable
  2. alpha, gamma are real variables
  3. *, + are arithmetic operators
  4. 0.562 may be an integer constant or real constant
Which of the above are correct?
All
1, 2, 3 only
2, 3, 4 only
1, 2, 4 only
Answer: Option
Explanation:

0.562 is not an integer constant.

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