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

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

You have 5 information signals and only one transmitter. What technique will help in transmitting all the 5 signals?
a) Frequency modulation
b) Multiplexing c) Amplification d) Amplitude modulation

Which one of the following is not true with respect to amplitude modulation?
a) Less noise
b) Longer range c) Lower bandwidth d) Less complex circuits

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 range of electromagnetic signals encompassing all frequencies is referred to as?
a) EM waves
b) EM frequency c) EM spectrum d) EM radiation

What is the wavelength of a signal with a frequency of 150Mhz?
a) 10m
b) 2m c) 5m d) 20m

The basic building blocks of the arithmetic unit in digital computers are __________
a) Subtractors
b) Adders c) Multiplexer d) Comparator

In a combinational circuit, the output at any time depends only on the _______ at that time.
a) Voltage
b) Intermediate values c) Input values d) Clock pulses

In a sequential circuit, the output at any time depends only on the input values at that time.
a) Past output values
b) Intermediate values c) Both past output and present input d) Present input values

The design of an ALU is based on __________
a) Sequential logic
b) Combinational logic c) Multiplexing d) De-Multiplexing

The flag bits in an ALU is defined as ___________
a) The total number of registers
b) The status bit conditions c) The total number of control lines d) All of the Mentioned

The inverter is an/a _______ gate (NPCIL)

A pulse train can be defined by a finite number of clock periods using ____ shift registers.
A) SISO
C) PISO B) SIPO D) PIPO