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A device driver is software interface that manages communication with and control of a particular I/O device or type of device. It is task of device driver to convert logical requests from user into specific commands directed to device itself. For illustration a user request to write a record to a floppy disk will be realised within device driver as a sequence of actions like checking for presence of a disk in drive, locating the file via disk directory, positioning the heads etc..
Term memory as used in a computer context initially The term memory as used in a computer context initially referred to magnetic core memory devices which were used beginning
Dimensionality of Interconnection Network Dimensionality signify the arrangement of nodes or processing elements in an interconnection network. In linear network or one dimensi
Which operations is performed more efficiently by doubly linked list than by singly linked list Deleting a node whose location is given.
INTRODUCTION : Like any other office we need equipment to provide for information distribution in the laboratory office also. For information distribution we require multiple copi
Cache-Only Memory Access Model (COMA) As we have discussed previous, shared memory multiprocessor systems may use cache memories with each processor for deducting the execution
What is random access memory(RAM or MAIN MEMORY) and mention its types? The main memory in the central storage unit in a computer system. It is relatively large and fast memory
The excess-3 code of decimal 7 is represented by ? Ans. An excess 3 code of decimal 7 is equal to the binary code +3.
What is an interpreted languages In interpreted languages, the instructions are implemented immediately after parsing. Both tasks are done by the interpreter. The code is sav
What are problems of clock skew? This is typically because of two causes. The primary is a material flaw that causes a signal to travel faster or slower than imagined. The seco
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
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