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Cache memory:
To reduce the idle time of the CPU and increase the speed of processing, a fast memory can be used. This can be done by using a large size of main memory. But the cost of main memories of relatively large size is still very high. To reduce the cost of a large sized memory, a special type of high speed memory, known as cache memory can be used in between the CPU and the main memory (as shown in Figure). Thus the cost versus access time leads to a hierarchy of computer memory, where the memory is organized into a hierarchy, known as the memory hierarchy. This includes CPU registers, Cache memory, main memory and various secondary storage devices. Although the memory hierarchy is organized in such a way to minimize the cost, without compromising the overall speed of access.
Consistency or data in DBMS Consistency - data in DBMS(Database) is accurate in modeling real world, follows integrity constraints User may ensure transaction consistent by itsel
QUESTION Your Library is currently offering access to the Internet for its subscribers on a fee paying basis. Subscribers should make a booking for each slot of one hour in adv
The use of manage files very much facilitates the creation of files and programmer can focus on other aspects of the programming lacking worrying on details which can be handled by
OSI Layers: Open Systems Interconnection model is a reference model developed by International Organization for Standardization in 1984, as a conceptual structure of principles fo
QUESTION 1 Write short notes on controlled vocabulary indexing. QUESTION 2 (a) List five types of abstracts. (b) Describe four types of abstracts. QUESTION 3
identify application software from the list? ms excel linux internet explorer adobe photshop sound card driver window disk manger adobe dream weaver windows file explorer
what is traditional business cycle
For multi-national business IT system, free and open source software (FOSS) is recommended over a proprietary system. The reasons for this recommendation are: 1. Security I
Liquid Crystal Displays (LCD): First introduced in watches and clocks in the1970's, LCDs are now used to display images in monitors. A newer technology in computer screens is
SOFTWARE BASICS: Software is a generic term covering the concepts, procedures and instructions which cause the computer systems to accomplish the required job, Generally, soft
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