Electronics and Communication Engineering - Microprocessors

26. 

The number of logic or arithmetic operations with ALU 1C 74181 can carry out is

A. 4
B. 8
C. 16
D. 32

Answer: Option C

Explanation:

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

27. 

6 bytes means

A. 6 bits
B. 24 bits
C. 48 bits
D. 96 bits

Answer: Option C

Explanation:

One byte has 8 bits.


28. 

In the integer expression - A * B div C + D which operation is done first in Pascal

A. -
B. *
C. div
D. +

Answer: Option A

Explanation:

In Pascal binary has highest priority.


29. 

In Pascal if I = 55, 10 * I div 10 =

A. 55
B. 50
C. 5.5
D. 5

Answer: Option A

Explanation:

In Pascal multiplication has higher precedence than division so 10 x 55 = .


30. 

In FORTRAN 77 IFIX (-73.2) gives the value

A. 73
B. -73
C. -7
D. -73.2

Answer: Option B

Explanation:

Only integer part appears in result.