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How is a valid user identifier accomplished?
A valid user identifier is accomplished within one or more of given ways:
• Provide some password, which only user knows.
• Present something like a smart card or a token which only the user has
• Identify something only the user is, like signature, voice, fingerprint or retinal (eye) scan. It is implemented by biometric controls.
What is Hashing? Hashing: Hashing gives the direct access of record from the file no matter where the record is in the file. This is possible with the help of a hashing functio
Which scheduling policy is most suitable for a time-shared operating system? Ans. Round-Robin scheduling policy is most appropriate for a time-shared operating system.
Reduce the following equation using k-map Y = BC‾D‾ + A‾BC‾D + ABC‾D + A‾BCD + ABCD Ans. Multiplying the first term with (A+A') Y = A'BC'D' + ABC'D' + A'BC'D + ABC'D + A'BCD + A
Q. Addressing Relationship for Main Memory and Cache? In the normal case there are 2k words in cache memory and 2n words in main memory. The n-bits memory address is splitted i
Q. What is File allocation table? FAT maps the usage of data space of disk. It comprises information about space used by every individual file and unused disk space as well as
The term addressing mode is a technique of stating the input and output of an instruction; it is termed the effective address. There are 6 effective addresses in the 68HC11 set of
Explain topology method used in LAN technology in detail. LAN Topologies: Network topology is a physical schematic that shows interconnection of the various users. There are
Determine about the Intranet server The success or usage of the Intranet server is measured by the number of operations it handles per Unit time. The selection of a good server
What is object orientation? Object orientation means that we classify software as a collection of discrete objects that incorporate with together DS and behaviour. Four aspe
HTML is a Hyper text Markup Language and it is Scripting Language
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