Electronics and Communication Engineering - Microprocessors

46. 

Which of the following is not an integer constant?

A. 0
B. -8
C. +1074
D. -8.1

Answer: Option D

Explanation:

Integer constant should not have decimal point.


47. 

Let JCOKE = 98 and LPEPSI = 42 Consider the statement

IF (JCOKE - 3 * LPEPSI) 5, 6, 7
5 JCOKE = JCOKE + 5
6 JCOKE = JCOKE + 8
7 JCOKE = JCOKE + 11

The value of JCOKE after the execution of above statement will be

A. 103
B. 106
C. 109
D. none of the above

Answer: Option A

Explanation:

Since (J COKE - 3 x L PEPSI) is negative, statement 5 is executed and the result is 98 + 5 = 103.


48. 

Which of the following is not a valid real constant in C?

A. 426
B. 321.0
C. -621.231
D. +201.2314

Answer: Option A

Explanation:

Real constant must have a decimal point.


49. 

Which of the following is not a valid integer constant in C (for 16 bit)?

A. 321
B. -162
C. -65321
D. +1

Answer: Option C

Explanation:

The range is from - 32768 to + 32767.


50. 

Assume that x = 5 and y = 2. Then in Java operation x + = y, the result is

A. x = 7
B. x = 2
C. x = 3
D. x = 2

Answer: Option A

Explanation:

The operator + = means add and assign.


« Prev   1 2 3 4 5 6 7 8 9 10