Processor speed- a high processor speed allows one to open many applications and perform many tasks at a time.Multimedia capability - The project is submitted in CD-RW therefore the laptop must be a full multimedia.List four input devices used to capture data by way of scanningĮxplain two computer hardware features that may be considered when selecting a laptop computer to be used in developing a KCSE computer studies project (4mks) Optical scanner is used read data by use a beam of light while a magnetic ink scanner is used to read data encoded/written using magnetic ink by magnetising the ink characters and translating them.The source code is hidden and it can only be used after paying for licence.ĭistinguish between an optical scanner and a magnetic ink scanner proprietary: software made for commercial purposes.shareware: are software that are available for free within a given trial period after which it must be bought.Freeware: these are software that can be downloaded for free and distributed but the source code is hidden and cannot be altered.The user can modify and redistribute the software. Open source : refers to software provided freely with its source code.The following are softwares classified according to end user license agreement.
A collection of hardware, software and liveware that work together to receive, process and manage data.A computer system refers to computer components that collectively function as a single unit to achieve the desired goal.
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