Exercise: Microprocessors

Questions for: Microprocessors

It is possible to copy a file in the same directory.
A:
True
B:
False
C:
D:
Answer: A
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Consider the following statements for 8085
  1. The most significant 8 bits of address are transmitted on the 8 lines on which data is transmitted.
  2. Eight pins are dedicated to transmit the most significant 8 bits of memory address.
  3. The least significant 8 bits of address are transmitted on the lines on which data is transmitted.
  4. The data and leass significant 8 bits are transmitted at different points in time.
Which of the above statements are correct?
A:
all
B:
1, 2 and 3 only
C:
2, 3 and 4 only
D:
1, 3 and 4 only
Answer: C
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In 8085 which addressing mode is also called inherent addressing?
A:
Direct
B:
Register
C:
Implicit
D:
Immediate
Answer: C
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It is desired to evaluate the expression
F = B cos Y + C cos2 Y + A cos3 Y
 The Pascal equivalent to ensure minimum computer time should be written as
A:
F = B * COS (Y) + C * SQR (COS (Y) + A * COS (Y) * COS (Y) * COS (Y)
B:
F = B * COS (Y) + C * SQR [COS (Y)] + A * COS (Y) * SQR [COS (Y)]
C:
F = B * COS (Y) + C * COS(Y) * COS (Y) + A * COS (Y) * COS (Y) * COS (Y)
D:
X = COS(Y)
Z = SQR (X)
F = B * X + C * Z + A * X * Z
Answer: D
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The five flags in 8085 are designated as
A:
Z, CY, S, P and AC
B:
D, Z, S, P, AC
C:
Z, C, S, P, AC
D:
Z, CY, S, D, AC
Answer: A
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