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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 10
16.
The expression Y (A, B, C) = ∑m (1, 3, 5, 6) is to realized using a multiplexer. Then
use 8 : 1 multiplexer and ground input lines 1, 3, 5, 6
use 8 : 1 multiplexer and ground input lines 0, 2, 4, 7
use 8 : 1 multiplexer and ground input lines 0, 1, 2, 3
use 8 : 1 multiplexer and ground input lines 4, 5, 6, 7
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
A microprocessor with a 16 bit address bus is used in a linear memory selection configuration. Address bus lines are directly uses as chip selects of memory chips with 4 memory chips the maximum addressable memory space is
64 k
16 k
8 k
4 k
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
An I/O processor control the flow of information between
cache memory and I/O devices
main memory and I/O devices
1 Two I/O devices
cache and main memories
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The process of entering data into ROM is called
writing
burning
decoding
registering
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Which of the following conversion is incorrect?
2048.0625 = 100000000000.00012
100000011.10012 = 131.562510
1011012 = 458
Hexadecimal B6C7 = 4679110
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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