Exercise: Microprocessors

Questions for: Microprocessors

The timing difference between a slow memory and fast processor can be resolved if
A:
processor is capable of waiting
B:
external buffer is used
C:
either (a) or (b)
D:
neither (a) nor (b)
Answer: C
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In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.
A:
True
B:
False
C:
D:
Answer: B
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Read the following statements about 8085
  1. RAL instruction rotates ACC contents left by 1 bit
  2. When RAL instruction is executed once the binary number gets doubled
  3. STC means set CY to 1
Which of the above statements are correct?
A:
1 and 2 only
B:
1, 2 and 3 only
C:
1, 2 and 4 only
D:
1 and 4 only
Answer: B
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Consider the series

Which of the following is true for above series?
A:
B:
C:
D:
None of these
Answer: A
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In Java which operator can be used even if there is a single operand
A:
+
B:
-
C:
*
D:
%
Answer: B
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