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What is Random access memory (RAM)
This is a volatile memory (i.e. contents are lost when computer is switched off). A user can write or delete data and read the contents. Before a program can be ran it should first be loaded into RAM that allows CPU to access the program. Battery-backed RAMs overcome data loss on switching power off though are outside the scope of these booklets.
(NOTE: For completeness, it's worth mentioning that two types of RAM exist termed as SRAM (static RAM) and DRAM (dynamic RAM) - SRAM doesn't need to be constantly refreshed to retain its memory unlike DRAM. Also consider that computers use cache which is a part of memory made from SRAM. Memory caching works as programs generally access the same data or instructions over and over again. By retaining as much information as possible in SRAM, computer operates more quickly (cache is generally termed level 1, 2 or 3 (termed L1, L2 or L3)).
Mainframe computer Mainframe computers are very large, often can fill an entire room. They can store a large amount of information, can execute many tasks at the same time, can
Enumerate about the trackball A trackball is a two-dimensional positioning device, a spaceball provides six degrees of freedom. Unlike the trackball, a spaceball does not actua
a. Activity diagram: Activity diagram is used for functional modelling. Captures the process flow. b. Sequence diagram : Sequence diagram is used for dynamic modeling.
how a micro programmed control unit works?!
#what is the history of computer science
CSEG SEGMENT ASSUME CS:CSEG, DS:CSEG, SS:CSEG ORG 100h START:MOV AX, CSEG; Initialise data segment MOV DS, AX; register using AX MOV AL, NUM1; Take the first num
What does formal verification mean? Formal verification uses Mathematical techniques by proving the design by assertions or properties. Correctness of the design can be achiev
Representations/Languages Used: Many people are taught "AI" with the opening line: "The three most important things in "AI" are representation, representation and representat
What is A cooperation model A cooperation model defines the way interdependencies are established by cooperative interactions. We recognize two basic roles services can play: c
a) Write the main differences among prototyping and incremental development. b) Explain the commonality and main differences among agile approach and RUP.
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