Exercise: Microprocessors

Questions for: Microprocessors

Which of the following directives in 8085 causes two bytes to be reserved in the memory?
A:
D S
B:
D B
C:
D W
D:
E Q U
Answer: C
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In computers the size of secondary memory is usually much larger than that of primary memory.
A:
True
B:
False
C:
D:
Answer: A
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Assertion (A): A two byte instruction of 8085 has an operation code in first byte and operand / address in the second byte.

Reason (R): If an instruction is too long it is possible to reduce its length by a number of methods.

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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Consider the following statements
  1. A 33 MHz 486 has higher MIPS than 33 MHz 386.
  2. A 33 MHz 486 has higher MFLOPS than 33 MHz 386 of these statements.
A:
Both are true
B:
Both are false
C:
1 is true and 2 is false
D:
1 is false and 2 is true
Answer: A
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Assertion (A): Most PCs use static RAM for main memory.

Reason (R): Static RAM is faster than dynamic RAM.

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: D
No answer description is available. Let's discuss.
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