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  • Level: GCSE
  • Subject: ICT
  • Word count: 1843

Year 9 RevisionSoftwareSoftware is the term for all the programs that run on the hardware

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Introduction

Year 9 Revision Software Software is the term for all the programs that run on the hardware. There are 2 general types of software, application software and systems software. Application software Application software is the software used to carryout users' specific tasks. There are 3 types of application software, generic, integrated, and specific. Generic software Generic software is software that has been designed to carryout a wide variety of tasks. It is also known as general-purpose software. There are several different types of generic packages, each type having specific functions that define them. They also come with functions that are common to all generic packages. These include: * ability to save, * ability to cut, copy, and paste, and * ability to print. Word-processing software The main use of this software is to create documents that contain mostly text. Examples of uses include: * letters * memos * essays * reports * curricula vitae (CVs) * wills One would expect any word-processing package to have the following functions: Function Explanation/description Ability to alter typeface e.g. Arial, Tahoma, Times New Roman, etc. Ability to alter size of font point size Ability to alter colour of font Ability to alter alignment of font e.g. left, centre, right, justify Ability to alter style of font e.g. bold, italic, underline, etc. Text wrapping Ability to alter line spacing Insert objects e.g. ...read more.

Middle

Vector based graphics software stores images as rules, covering the dimensions, direction, and colour of the drawn object. Function Explanation/description drawing tools pre-defined shapes ability to scale, stretch, and crop images ability to rotate images ability to flip images paint palette zoom/magnify ability to fill Computer aided design (CAD) software The main use of this software is to design three dimensional objects. HTML editing software The main use of this software is to create web-pages. Communications software There are two types of communications software. Electronic mail, used to send and receive messages. Web-browser software to view web pages on the Internet. Integrated software A software package that combines the functions of two or more distinct generic applications. Specific software Software designed to carry out a single task for users. System software Software that manages and controls the computer and all its peripherals. Operating system software A layer of software that enables a user to control the hardware, and application programs to run on the computer. Utility software Software used to carry out routine tasks often needed by the user to maintain the performance of the computer. Hardware Hardware is the name given to any part of the computer that you can actually touch. A device is an individual piece of hardware. Examples include: * keyboard * visual display unit (VDU) or monitor * floppy disk drive Describing hardware Technical specification This is a list of its properties. ...read more.

Conclusion

backing storage device - used to read and write data onto storage media. backing storage media - the collective name given to the disks and tapes used to store data. Choosing backing storage The first decision is between fixed media or removable media. Backing storage media can be measured by its capacity; bytes, or kilobytes (KB), or megabytes (MB), or gigabytes (GB). Backing storage can also be judged by the data transfer speed of the backing storage device to the backing storage media. This is measured in; bytes per second (Bps), or kilobytes per second (KBps), megabytes per second (MBps). Audio CDs read at 150KBps - 8X, 16X, 24X, 48X, 52X. The final way that backing storage can be differentiated is whether it is: * read only memory (ROM), or * recordable (R)/ write once read many (WORM), or * read and write (RW). Types of portable backing storage * floppy disk drive (FDD) * compact disk (CD) drive * Zip drive * digital versatile disk (DVD) drive * flash stick Computers and peripherals Desktop computer An entire computer that sits on a desk or a table. Laptop computer A personal computer that can be simply carried around by one person and used in transit from internal battery power. Peripherals Standard (expected) Additional (extra) hard disk drive (HDD) printer floppy disk drive (FDD) scanner VDU/monitor microphone keyboard web-cam mouse (pointing device) joystick CD drive (ROM/R/RW) DVD drive (ROM/R/RW) speakers Zip drive Social Impact In the home In business ?? ?? ?? ?? P:\ICT\KS4\Yr09\Yr09Revision.0304.doc HBDugard Page 1 of 10 Last printed 28/05/2004 14:09 ...read more.

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