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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 18
6.
A microprocessor with a 16-bit address bus is used in a linear memory selection configuration (i.e., Address bus lines are directly used 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.
7.
The logic represented by the abbreviation ECL is
Emitter Coupled Logic
Electron Carrier Logic
Encoding Clock Logic
Electrostatic Channel Logic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
A (A + B) =
A
B
A
B
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Unlimited number of ICs 7490, 78492 and 7493 are available. Which of these could be used to build the dividse-by-60 circuit of figure
7490
7492
combination of 7490 and 7492
combination of 7492 and 7493
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
One of the function of the Sio2 layer in an IC is to
act as a dielectric for capacitors
prevent shorting of elements by interconnections
from cathodes for diodes
afford protection from the radiations
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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