IO and Memory Interfacing-exercise-1

1. Permanent data and instructions storing memory is :

(a) RAM chips
(b) ROM chips
(c) DRAM chips
(d) None of these

Answer
Answer : (b)
Explanation
No answer description available for this question. Let us discuss.

2. ……………. memory chips are said to be volatile.

(a) RAM chips
(b) ROM chips
(c) DRAM chips
(d) None of these

Answer
Answer : (a)
Explanation
No answer description available for this question. Let us discuss.

3. EPROM is erased by using :

(a) Infrared rays
(b) Ultraviolet rays
(c) 12 V electric pulse
(d) 24 V electric pulse

Answer
Answer : (b)
Explanation
No answer description available for this question. Let us discuss.

4. Memory mapped I/O is a technique to :

(a) Interface a memory having 8-bit addresses
(b) Interface a memory having 16-bit addresses
(c) Interface an IO having 8-bit addresses
(d) Interface an IO having 16-bit addresses

Answer
Answer : (d)
Explanation
No answer description available for this question. Let us discuss.

5. The advantage of memory mapped I/O over I/O mapped I/O is :

(a) Faster
(b) Many instructions supporting memory mapped I/O
(c) Require a bigger address decoder
(d) All of the above

Answer
Answer : (b)
Explanation
No answer description available for this question. Let us discuss.
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