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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.
Q. Explain Arithmetic Data Processing Instructions? These instructions carry outlogical and arithmetic operations on data. Arithmetic: The four fundamental operations are
Information Technology is nothing but the study, design, development, execution, support and management of computer based information systems mainly the applications software & har
Q. Hard and Soft Real Time Systems? Hard Real Time Systems that guarantee critical tasks are completed on time. Soft Real Time Systems that are less restrictive type o
The I/O interface provides a technique for transferring information between external I/O devices and internal storage. Peripherals linked to a computer require special communicatio
FDDI (Fiber Distributed Data Interconnect) is an example of? Fiber Distributed Data Interconnect is an illustration of token ring.
Conventionally software has been written for serial computation in that programs are written for computers which have a single Central Processing Unit (CPU). Here the problems are
Q. Example of asymptotic notations? The function f (n) belongs to the set (g(n)) if there exists positive constants c such that for satisfactorily large values of n we have 0
World Wide Web (WWW) began as a text-only medium. First version doesn't even have the capability to include graphics on a page. Today's Web sites include sound animation, graphics,
Microprocessor development system Computer systems have undergone many changes recently. Machines that once filled large areas have been reduced to small desktop computer syste
The main benefits of CD-ROMs are: These are removable disks, thus they are suitable for archival storage mass replication is cheap and fast large storage capacity
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