Exercise: Microprocessors

Questions for: Microprocessors

Assertion (A): If contents of F register in 8085 are 01010001, it means S = 0, Z = 1, AC= 1, P = 0 and CY = 1.

Reason (R): When an instruction is called from memory, the op. code of instruction is stored in instruction register.

A:
Both A and R are correct and R is correct explanation of A
B:
Both A and R are correct but R is not correct explanation of A
C:
A is correct R is wrong
D:
A is wrong R is correct
Answer: B
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The number 0.004854 in normalized floating point mode is represented as
A:
B:
C:
D:
Answer: A
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Consider the following statement in FORTRAN 77

READ*, [X(I) Y(I) = 0, 3, 2]

 Which of the following is correct?
A:
2 values could be read and stored asX (0), Y (0)
B:
4 values could be read and stored asX (0), Y (0), X (2), Y (2)
C:
6 values could be read and stored as X (0), Y (0), Y (2), X (3), Y (3)
D:
none of the above
Answer: B
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Fortran 77, C and Pascal are high level languages.
A:
True
B:
False
C:
D:
Answer: A
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In FORTRAN 77 FLOAT (-28) gives the value
A:
28
B:
-28
C:
-28.0
D:
none of the above
Answer: C
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