Electronics and Communication Engineering - Microprocessors
Exercise : Microprocessors - Section 1
- Microprocessors - Section 1
- Microprocessors - Section 2
- Microprocessors - Section 3
- Microprocessors - Section 4
- Microprocessors - Section 5
- Microprocessors - Section 6
- Microprocessors - Section 7
- Microprocessors - Section 8
- Microprocessors - Section 9
- Microprocessors - Section 10
- Microprocessors - Section 11
- Microprocessors - Section 12
16.
Z flag is reset if an ALU operation results in 0.
Answer: Option
Explanation:
Z flag is set if ALU operation results in zero.
17.
The power requirements of a DRAM in active and stand by modes is about
Answer: Option
Explanation:
Power requirement in stand by mode is very low 1000.
18.
Which of the following is not a valid real constant in C?
Answer: Option
Explanation:
In C real constant expressed in exponential form, mantissia and exponent should be separated by e (and not E).
19.
In a computer the instructions, data, intermediate and final results during processing are held in ALU.
Answer: Option
Explanation:
These are not held in ALU. Only computations are done by ALU.
20.
The number of storage classes in C is
Answer: Option
Explanation:
C has four storage classes viz. automatic storage class, register storage class, static storage class and external storage class.
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