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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.
Explain LRU Page replacement algorithm. LRU policy: It expands to least recently use. This policy proposes that we remove a page that last usage is farthest from present time
Explain cause effect graphing . Cause-effect graphing is a test case design method that gives a concise representation of logical conditions and corresponding actions. The
Utilization Summary The Utilization Summary shows the status of each processor i.e. how much time (in the form of percentage) have been spent by every processor in busy mode, o
Disadvantages of macro processor
Q. What is Data link layer? Data link layer: data link layer is responsible for transmitting a group of bits between adjacent nodes. Group of bits is termed as frame. Network
Give explanation about the use of SSL to secure the network. SS L stands for Secure Sockets Layer is a protocol developed through Netscape for transmitting private document
The NAND gate. The NAND gate is equivalent to an AND gate followed by a NOT gate so that the output is 0 when all of the inputs are high, otherwise the output is 1. There may
The combinational circuits employ the comparators for comparing the numbers and storing them on the basis of maximum and minimum functions. Likewise in the interconnection networks
Explain what is DTMF signalling. Dual Tone Multi Frequency (DTMF) was initially introduced in 1963 with 10 buttons into Western Electric 1500 -type telephones. Dual Tone Multi
how to solve pebble merchant problem.? coding for it..!
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