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Memory : Computers store information internally as well as externally.
Linked to CPU is an internal memory unit where all the instructions and data are stored. It contains the computer operating instructions or programme. The memory of the computer is of two kinds; RAM and ROM. Random Access Memory (RAM) is the computer's short term working space. During its working life, a computer's RAM may be over batten with new information millions of times. RAM is more like a blank cassette which can be recorded, wiped clean and recorded again. The computer can get to or access any part of the RAM memory 'at random'.
ROM is the Read Only Memory that is, one can read from it but cannot written on it. It is used to store software which will always be needed. ROM software is a permanent part of the machine, unlike the RAM which is forgotten each time the machine is switched off.
The external memory of the computer is the 'floppy' discs and the compact discs (CDs). They need special disc drives to read and write the information on them. CDs can hold an enormous amount of information. Infect, entire encyclopaedias can be stored on one CD.
Another way of classifying a computer system is based upon its size and capabilities: Microcomputers: Microcomputers are systems based on the use of microprocessors. A Micr
ELECTRONIC EDUCATIONAL RESOURCES: In the present era, you can get access to a large number of electronic educational resources through the web. These resources may be on diffe
A magazine publisher based in Nairobi has branch in Kisumu, and one in Mombasa. The company has kept in touch by telephone and courier service. Each office is networked. The networ
QUESTION (a) What is Multi-Protocol Label Switching (MPLS)? List the main advantage of running MPLS in a service provider network (b) What is a label? Explain the structure
Ask question #Minimum assignment on generations of computers 100 words accepted#
Why is the ATM selected as a transport network in 3G? Answer: ATM provides efficient support for transmission of voice, data, and video ATM provides QoS guarantee and reliability
Software: A computer system consists of two parts - hardware and software. The first part, computer hardware, refers to all the visible components of the computer system: key
There are two kinds of procedures, the intrasegments, which are found on the similar segment of instructions and the inter-segments which can be stored on dissimilar memory segment
Ask queswhat is the advanages of eeprom?
High level languages: High level languages (converted to machine code by compiler or equivalent) are much easier to program, as well as to understand. Several high level langu
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