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Access time:
Access time: This is the time required to locate and retrieve stored data from the storage unit in response to a program instruction. That is the time interval between the read/write request and the availability of the data. A fast access time is always preferred.
how we come to know about primary key,if more than ids gather?
what protocol is used by DNS name server
true or false-- most designs of a desktop publishing document needs to follow clear, specific rules pertaining to design
2000word how much
Trap doors: This is a way of bypassing normal authentication procedure (windows/ operating system user name and password) to access a system. Once a system is compromised (impac
History of E-mail: Internet based E-mail system was designed by a Computer engineer - Ray Tomlinson in late 1971 while working with ARPANET. Tomlinson used a file transfer pro
What is the key characteristic of ROM?
• Easy-to-learn: Python has comparatively few keywords, easy structure, and a clearly distinct syntax. This permits the student to pick up the language in a comparatively short per
Multi-valued Attribute DBMS Each multi valued attribute maps into a separate table. Include also an attribute for the primary key of the entity and relationship type which the attr
Q1: ER modelling & logical design. An information system is required for an online auction site, based on the following speci?cation: Only registered users can use the site. Privat
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