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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..
The Process of Development The approach to development can be an iterative one. It involves repeated refinement of the object model. The process needs to be controlled by an a
Flynn's Categorization Flynn's Categorization is based on multiplicity of data streams and instruction streams observed by CPU at the time of program execution. Let I s and D
Micrography: Micrographic technology is an outgrowth of photographic technology. Since this technology is being increasingly used to supplement computer systems, strong electr
The code where all successive numbers differ from their preceding number by single bit is ? Ans. Gray Code, where all successive numbers are different from their preceding nu
the counter shown Q2Q1Q0=000 The status of Q2Q1Q0 after the pulse
What do you mean by first fit? First fit allocates the first hole that is big enough. Searching can either begin at the beginning of the set of holes or where the last first-f
Q. What are the basic components of an expert system? ANSWER: There are three components of components: Information, people, and IT components. Information kinds are domain exp
data warehousing Data warehouse means Subject oriented Integrated Time variant Non-volatile collection of data for management's decisions. It is h
Explain E-mail gateways. Email using SMTP works better while both the sender and the receiver are on the Internet and can support TCP connections among sender and receiver. Tho
Q. Explain Working of TELNET? The working of TELNET 1. Commands and characters are sent to operating system on common server computer. 2. Local operating system send
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