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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.
Distinguish between ROM, PROM, EPROM, EEPROM. Ans: ROM: It also called Read Only Memory is a Permanent Memory. The data is permanently stored and cannot be changed in Perm
PRAM is one among the models which are used for designing the parallel algorithm as shown in Figure. The PRAM model comprises the following components: i) A group of identical
Name and explain the popular techniques to identify free memory areas as a result of allocation and de-allocations in a heap. Two well-liked techniques to identify free memory
Computer to computer transmission of structured data using standardised documentation is known as Electronic data interchange (EDI).
In general, all public processes of a controller class are treated as action processes. If you require prevent this default behaviour, just decorate the public process with NonActi
Consider the following pseudo-code segment. 1. input y {y is a three-digit hexadecimal number} 2. d ← 0 3. for i = 1 to 3 3.1. char ← i th character from y readin
Define a B tree of order m. B Tree of order m A balanced multiway search tree of order m in which every non root node having at least m/2 keys is known as a B-Tree of order
What is critical section problem? Consider a system having of 'n' processes. Each process has segment of code known as a critical section, in which the process may be changing
a. Explain the hardware mechanism for handling multiple interrupt requests. b. What are handshaking signals? Describe the handshake control of data transfer during input and out
Example of circuit switching and S&F (Stored and Forward) switching is (A) Telephone and Post of Telegraph (B) Video Signal Post or Telegraph (C) Digital Signal P
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