1.what are the basic digital logic gates?
Ans:
All digital systems can be constructed by only three basic logic gates. These basic gates are called the AND gate, the OR gate, and the NOT gate. Some textbooks also include the NAND gate, the NOR gate and the EOR gate as the members of the family of basic logic gates.
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3.what is priority encoder?
Ans:
A priority encoder is a circuit or algorithm that compresses multiple binary inputs into a smaller number of outputs. The output of a priority encoder is the binary representation of the index of the most significant activated line, starting from zero
4 .list out the applications of multiplexer?
Ans:
Communication System. A communication system has both a communication network and a transmission system. ...
Computer Memory. ...
Telephone Network. ...
Transmission from the Computer System of a Satellite. ...
Communication System. ...
Arithmetic Logic Unit. ...
Serial to Parallel Converter. ...
Photo Credits.
5. what is sequential circuits
Ans:
The sequential circuit is a special type of circuit that has a series of inputs and outputs. The outputs of the sequential circuits depend on both the combination of present inputs and previous outputs. The previous output is treated as the present state.
6. how many flip flops are required to build a binary counter that counts from 0 to 1023?
Ans:
10 flip flops
7. define hazard and when do hazard accuires:
A hazard is any source of potential damage, harm or adverse health effects on something or someone. Basically, a hazard is the potential for harm or an adverse effect (for example, to people as health effects, to organizations as property or equipment losses, or to the environment).
8. define flow table in asynchronous sequential circuits
Ans:
In order to obtain the circuit described by a flow table, it is necessary to assign to each state a distinct value. A race condition exists in an asynchronous circuit when two or more binary state variables change value in response to a change in an input variable.
9. list the major difference between pla and pal?
Ans:
Difference between PAL and PLA
Programmable Array Logic (PAL) Programmable Logic Array (PLA)
The cost of a PAL is expensive The cost of PLA is middle range
The number of functions implemented in PAL is large
The number of functions implemented in PLA is limited
The speed of PAL is slow The speed of PLA is high
10. diffenrenciate valatile and non volatile memory?
Ans :
Volatile memory is the type of memory in which data is lost as it is powered-off. Non-volatile memory is the type of memory in which data remains stored even if it is powered-off.