Electronics and Communication interview quesitions and answers
What is repeater?
It is an electronic device, it receive a signal and send it at a higher level. So that signal cover longer
What is Flip Flop?
It is a binary storage device , it is storing binary bit either 0 or 1.
It is used to change the operation of the circuit.
What is Diode?
It is an electronic device.
It is allowing current to transmit through it.
Diode operations:
If current flow is permitted->the diode is forward biased.
If current flow is prohibited->the diode is reverse biased
What is an accumulater?
-It is an 8 bit register that is part of ALU.
-as said it is 8 bit , it's storing 8 bit data and perform arithmetic and logical operations. The result of operation is stored in accumulater.
What is meant by aliasing?
When high frequency interferes with low frequency and appears as low then this situation is called aliasing.
What is entropy?
It is average information per message.
Entropy=Total information/no of messages.
What is Huffman coding all about?
It is one of the best method compressing the data without losing information.
What are the types of analog modulation?
4 types modulation
Amplitude modulatiin
Angle modulation
Frequency modulation
Phase modulation
What is full duplex , half duplex communication?
If communication is there in between sunder receiver , sneder send signal reciver send an acknowledgement is known as full duplex
If only communication only oneway is known as half duplex
What is stack pointer?
Stack pointer contains the address of the last element in the stack. In stack items are stored LIFO manner(LastInFirstOut).
No comments:
Post a Comment