Exercise: Microprocessors

Questions for: Microprocessors

In a typical microcomputer data transfer takes place between
A:
μP and memory
B:
μP and I/O devices
C:
memory and I/O devices
D:
all of the above
Answer: D
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Which of the following is a valid logical expression in Pascal?
A:
2.5 : = A
B:
(A + B) < < (C + D)
C:
A = < B
D:
A > = B
Answer: D
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The use of microprocessor control in automobiles results in
A:
improved fuel economy
B:
improved car control
C:
advanced information system for driver
D:
all of the above
Answer: D
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If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is
A:
a larger floating point number
B:
a smaller floating point number
C:
either (a) or (b) depending on the actual number
D:
a negative floating point number
Answer: A
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Assertion (A): Structures are useful in DBMS.

Reason (R): Structures are very large numbers of applications besides DBMS.

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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