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Data buffering is quite helpful for purpose of smoothing out gaps in speed of processor and I/O devices. Data buffers are registers that hold I/O information temporarily. I/O is performed in short bursts in that data are stored in buffer area whereas the device can take its own time to accept them. In I/O device to processor transfer, data are first transferred to buffer and then passed on to processor from these buffer registers. So I/O operation doesn't tie up bus for slower I/O devices.
Draw and explain the function of dual slope analogue to digital converter. Derive the equations used. Ans. Dual slope A/D converter : This has 4 main blocks.
Shared executes most of the security features into OLAP. If multiple accesses are needed admin can make essential changes. The default security level for all OLAP products is read
What is the use of fork and exec system calls? Fork is a system call by which a new process is formed. Exec is also a system call, which is used after a fork by one of the two
Q. Show the Classification of Printers? Printers can be classified on following bases: a) Impact: Impact printers print by impact of hammers on ribbon (for example Dot-Matri
More complicated logic circuits can be made byconnecting a number of simple logic gates.How do we decide how to connect the gates togive a particular function e.g. output Y?We need
Remote Login A login that permits a user terminal to connect to a host computer by a network or direct telecommunications link, and to interact with that host computer as if t
What do conditional assignments get inferred into? Conditionals in a continuous assignment are specified through the "?:" operator. Conditionals get inferred into a
How is communication between computers established in Internet. What characteristics need to be defined in a communication protocol? Explain the physical and logical paths in a com
1.Local queue -is a actual queue 2.Cluster queue -is a local queue that is called as throughout a cluster of queue managers 3. Remote queue -structure explaining a queue
Unencoded micro-instructions One bit is required for each control signal; so number of bits needed in a micro-instruction is high. It represents a detailed hardware vi
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