01․ When will be the output of a NOT gate is HIGH ?
NOT gate acts as an inverter so it has only one i/p and one o/p.
Input (0) = output (1).
Input (1) = output (0).
NOT gate has high output when input is low.
02․ Which is the example of digital device from the given option ?
The microprocessor is a multipurpose, programmable device that accepts digital data as input, processes it according to instructions stored in its memory, and provides results as output. The other devices are analog devices.
03․ How many input and output required for demultiplexer ?
Demultiplexer refers to DEMUX means one to many. It can send one signal to many devices.
04․ How many stable state/states present in flip-flop ?
Flip flop is a bistable multivibrator, so it has 2 stable states.
05․ Why generic array logic (GAL) device was invented ?
Generic array logic (GAL) device was erasable and re-programmable making prototyping and design changes easier for engineer. The GAL was an improvement of PAL and it can take many PAL devices.
06․ What is the radix of octal number system ?
8 is the radix of octal because octal has only two values from 0 to 7.
07․ What is the requirement of fullsubstractor circuit ?
Subtractor means the difference, for full subtractor we need 2 i/p and 2 o/p, one o/p for difference and other for borrow. It is used for 3 bit binary numbers.
08․ When will be the output of an OR gate is LOW ?
OR gate means A+B = Output, now both of the input low means 0, then output is become 0.
09․ Why encoder is used in the digital electronics ?
Encoder is used to convert the non-coded form into coded form.
10․ When will be the output of a NOT gate is LOW ?
NOT gate acts as an inverter, it has only one i/p and one o/p.
When Input 0 = output 1.
When Input 1 = output 0.
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