What is the group of 1s in 4 cells of a K – map called?
a) Pair
b) Quad c) Octet d) Octave

In Digital Circuits, which of the following options represent the synchronous control inputs in a T flip flop?
a) T
b) 0 c) Clock d) 1

What is Microbiology?
a) Study of molecules that are visible to human eyes
b) Study of animals and their family c) Study of organisms that are not visible to naked eyes d) Study of microscope

Which microorganism(s) among the following perform photosynthesis by utilizing light?
a) Cyanobacteria, Fungi and Viruses
b) Viruses c) Cyanobacteria d) Fungi

Which of the following is used in electron microscope?
a) electron beams and magnetic fields
b) light waves c) magnetic fields d) electron beams

The respiratory chain of bacteria is associated with the _____________
a) cytoplasmic membrane
b) cell wall c) cytoplasm d) mitochondrial membrane

Who discovered the radio waves?
a) Heinrich Hertz
b) Guglielmo Marconi c) Thomas Edison d) Alexander Bell

What is the component that converts an electrical signal into a signal suitable for transmission in a given medium called?
a) Transmitter
b) Receiver c) Amplifier d) Duplexer

What type of communication is used for underwater communication?
a) Radio communication
b) Microwave communication c) SONAR d) Satellite communication

Earth be considered as a communication medium.
a) True
b) False

A device that can both transmit and receive is called as?
a) Transducer
b) Duplexer c) Radar d) Transceivers

What are the factors that affect signal propagation speed assuming no noise?
a) Wavelength of the signal
b) Frequency of the signal c) Strength of electrical and magnetic fields d) Permeability and permittivity of medium

The process of making the signal more compatible with the medium is called as?
a) Modulation
b) Transmission c) Encrypting d) Multiplexing

In frequency modulation, carrier frequency is always greater than baseband frequency.
a) True
b) False

Which one of the following is not a type of modulation?
a) Frequency modulation
b) Amplitude Modulation c) Pulse modulation d) Phase amplitude modulation

What type of multiplexing is used in serial buses?
a) Time division multiplexing
b) Code division multiplexing c) Frequency division multiplexing d) Phase multiplexing

Cps is the unit of what?
a) Frequency
b) Amplitude c) Phase d) Gain

The distance that the wave travels in one cycle is called as?
a) Displacement
b) Wavelength c) Cycle length d) Cycle amplitude

In what type of communication is time division multiplexing possible?
a) Analog
b) Digital c) Duplex d) Simplex

Voice signals cannot be directly transmitted by radio.
a) True
b) False

In frequency modulation, carrier frequency is always greater than baseband frequency.
a) True
b) False