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Why must a modem be used to transmit binary data through a PSTN? (1) Use sketches and additional text to describe the following modulation methods. (a) Amplitude shift keying (b) Frequency shift keying (2) Discuss the factors that influence the choice of carrier frequency and the bandwidth used by the demodulator section of a modem.
The method for updating the main memory as soon as a word is removed from the Cache is known as (A) Write-through (B) write-back (C) protected write
Vector-Vector Instructions In this category, vector operands are fetched from vector register and accumulated in another vector register. These instructions are indicated with
What is Exact and Approximation algorithm? The principal decision to choose solving the problem exactly is called exact algorithm. The principal decision to choose solving th
Distinguish between combinational logic circuits and sequential logic circuits. Ans: Combinational logic circuits:- (i) Outputs only depend upon present state of the i
define resolution in CRT
This is an embedded system that involves the integration of hardware and software design stages. It consists of the user interface (keypads and LCD display) and two Peripheral Inte
What is booting? When the power is turned on, the OS has to be loaded into the main memory which is taken place as part of a process known as booting. To initiate booting a tin
Difference between aggregation and association Aggregation is a particular form of association, not an independent concept. Aggregation acts semantic connotations. If two objec
What is Page stealing? Ans. Taking page frames other working sets is called Page stealing.
Question 1 What are the drivers behind the convergence between voice and data networks? Explain them briefly Question 2 Explain the need and functioning of Private ST Netw
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