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Q. Explain Error Detection and Correction Codes?
Before we wind up data representation in reference of today's computers one should determine about code that helps in correction and recognition of errors. Computer is an electronic media hence there is a probability of errors at the time of data transmission. These kinds of errors can result from disturbances in transmission media or external environment. But what is an error in binary bit? An error bit alters from 0 to 1 or 1 to 0. One of simplest error detection codes is known as parity bit.
Data is to be transmitted using a modem at 9600 bps. Determine the minimum bandwidth of the system with the following modulation methods (a) FSK (b) ASK. Use the excess bandwidth f
Which work process triggers database changes? Update work process
Probelm : a) What is the purpose of "Jumps" in the 8051 Microcontroller? Describe three types of "Jumps". b) What is the purpose of a "call"? c) Differentiate between ROM
Logical shift A logical shift operation transfers 0 through serial input. We apply symbols shl and shr for logical shift left and shift right microoperations, examples:. R1
Q. Illustrate Master-Slave Flip-Flop? Master slave flip-flop comprise two flip-flops. One is master flip-flop and other one is known as slave flip-flop. Fig below shows impleme
John Lindsay sells disks that have 25 software packages that show a variety of financial functions, including net present value, internal rate of return, and other financial progra
Which is not a key piece of information, stored in single page table entry, assuming pure paging and virtual memory Ans. A reference for the disk block which stores the page is
Discuss the different techniques with which a file can be shared among different users. Several popular techniques with that a file can be shared among various users are: 1
What is Instruction Cycle The simplest model of instruction processing can be of two steps. The CPU reads /fetches instructions (codes) from memory one at a time and executes i
Q. Illustrate Character Coded Data? The input output happens in the form of ASCII data. These ASCII characters are entered as a string of data. For illustration to get two numb
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