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1. What factors should be considered when selecting a digital encoder (line codes)? Briefly mention five of those factors. Use sketches and additional text to describe the following encoding techniques: NRZ-L, Bipolar-AMI, Manchester, HDB3, B8ZS and 4B/5B. Your description of each technique should include the encoding rule, advantages and disadvantages. No mathematical equations are necessary.
What is a semaphore? Semaphore: It is a protected variable or abstract data type that constitutes the typical method for restricting access to shared resources as shared memo
What is a Table attribute? The table's attributes verifies who is responsible for maintaining a table and which types of access are permitted for the table. The most signific
Q. What is span of control? Span of control tells the ratio among superiors and subordinates. Generally organizations are having two different types of spans. They are Wide Spa
program to find minimum total number of shelfs
How can the maximum field width for a data item be specified within a scanf function? When the program is executed, three integer quantities will be entered from the standard i
The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either ? Ans. When all inputs of logic gate at logic 0 and output is 0. The gate is either a NOR
What is low-level formatting? Before a disk can store data, it must be divided into sectors that the disk controller can read and write. This process is known as low-level for
Q. Compute Physical address of data byte? Offset of data byte = 0020h Value of data segment register (DS) = 3000h Physical address of data byte This computation
Define Edge Triggered D flip-flop? D latch has only two inputs C(control) and D(data). The operation of a D flip-flop is a lot simpler and it has only one input addition to the
We now consider the relation between passwords and key size. For this purpose consider a cryptosystem where the user enters a key in the form of a password. Assume a password consi
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