In symmetric key cryptosystem, who knows the key?
Which has better minimum distance?
The received power is attenuated by a factor called
Scintillation describes the fading caused by
The term radar cross section defines the:
Pulse radar operating at 10GHz frequency has an antenna with a gain of 28 dB and a transmitted power of 2kW. If it is desired to detect a target of cross section 12m2, and the minimum detectable signal is -90 dBm, the maximum range of the radar is:
What is the ASCII value of space?
What is the code rate?
Unit of inductance is ________
Inductance of an inductor is inversely proportional to its ___________
Which of the following is not an electronic device?
Which of the following is not a physical component of an electronic circuit?
Multimode graded index fibers are manufactured from materials with ___________
The performance characteristics of multimode graded index fibers are ___________
Which among the following can be an input to a transmitter?
What is the function of the receiver?
What is the range of compression achieved with no visible difference?
In which of the following compression data upon decompression doesn’t lose its detail?
How many elements are essential for any communication system?
Which of the following is the purpose of the transmitter?
The term heterodyning refers to
The causes for error performance degradation in communication systems are
Sensor network is subject to a unique set of resource constraints such as
Information collected by and transmitted on a sensor network describes conditions of physical environments and requires advanced query interfaces and search engines to effectively support user-level functions
How to obtain a desired amount of multiplication in frequency multiplier?
Calculate the output frequency in a frequency multiplier if, fin = 200Hz is applied to a 7 divide by N-network.
Which of the following is a type of digital logic circuit?
Which characteristic of IC in Digital Circuits represents a function of the switching time of a particular transistor?
The microprocessor of a computer can operate on any information if it is present in ______________ only.
What is the word length of an 8-bit microprocessor?
In 8-bit microprocessor, how many opcodes are present?
Which of the following statements is correct for any closed loop system?
What should be the nature of bandwidth for a good control system?
The Ampere law is based on which theorem?
Calculate the magnetic field intensity due to a toroid of turns 50, current 2A and radius 159mm.
