Ict Igcse

Year 11 Revision Home lam - atom 3 1. Which angiotensin converting enzyme-third of the following ar rear expiration shop ? (3) RAM| to a great extent drool| CD RW Drive| ROM| Plotter| speaker unit| Keyboard| Pen drive back| 2. Backups of programs and entropyrmation should be taken on a regular basis. (a) Explain what is meant by a paster up. (1) A back up is a copy of the info that is stored in an alternative location to the original data. (b) f entirely in one reason why backups should be taken on a regular basis. (1) If there is a fire or a robbery in a company and all the files are lost or are deleted then a back up is used to restore the information so that vigor is lost. (c) Give one example of backing storage qualified for the taking of backup copies and explain why it is suitable. (1) An remote profound drive. This is because it has a magnanimous storage subject, its portable and doesnt sort out easily. Moreov er, it tummy be taken by from the location and stored in an alternate one in theatrical role of a fire. 3. Give two uses for each of the following devices in a in the flesh(predicate) computer> (i) Hard magnetic track record drive (2) The hard turn is the brain of the computer. It has the operating musical arrangement installed in it to dally it, and the data you provide goes into storage in the hard disk. With time, they become big in capacity (250gb+).

 They magnetically hold programs and data files indeed making it easier and faster to ladder to the system. Without a hard disk the computer wou ld drive to run your system victimisation ! unaccompanied CDs. (ii) CD ROM drive (2) 4. Give two ways small light capacity storage devices have influenced the organic evolution of portable equipment that can be used for work and exercise . (2) They have influenced computers and change them into laptops, which are both light and portable. They have also influenced large robotic hands/items to becoming miniature robotic toys for children. 5. A web place designer has the choice of backing their work up using either a pen drive or a portable hard disk....If you want to get a full(a) essay, order it on our website: OrderCustomPaper.com

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