Digital Electronics Question Bank
Digital Electronics Question Bank
Digital Electronics Question Bank
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a. Number of inputs<br />
b. Number of products terms<br />
c. Number of outputs<br />
8. What are the advantages of RAM?<br />
The advantages of RAM are<br />
a. Non-destructive read out<br />
b. Fast operating speed<br />
c. Low power dissipation<br />
d. Compatibility<br />
e. Economy<br />
9. What is VHDL?<br />
VHDL is a hardware description language that can be used to model a digital system at many<br />
level of abstraction, ranging from the algorithmic level to the gate level. The VHDL language<br />
as a combination of the following language.<br />
‣ Sequential language<br />
‣ Concurrent language<br />
‣ Net-list language<br />
‣ Timing specification<br />
‣ Waveform generation language.<br />
10. What are the features of VHDL?<br />
The features of VHDL are<br />
<br />
<br />
<br />
VHDL has powerful constructs.<br />
VHDL supports design library.<br />
The language is not case sensitive.<br />
11. What is meant by memory decoding?<br />
The memory IC used in a digital system is selected or enabled only for the range of addresses<br />
assigned to it .<br />
12. What is access and cycle time?
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