Outside of the System Unit: A desktop computer consists of a system unit, a mouse, keyboard, and a monitor which all of these are considered as input devices. Input devices are devices which are used to input data into the computer or to provide data and allow the computer to process that data use it. The main function of the computer is to hold all the pieces/components together. A desktop is also large enough for upgrades such as higher quality graphics card, sound card, etc. A desktop’s purpose besides being an entertainment purpose for people or work material is to be upgraded or replace parts swiftly. What are all the buttons outside a computer anyway? The front side of the desktop contains the power button, the disk drive, an audio outlet for headphones, and a number of USB connections for flash drives/ jump drives as shown in figure 1. The backside of the desktop contains the rest of the connections – the power for the desktop to turn on, the monitor, keyboard, mouse, internet connection, and other devices shown in figure 2. There are more connections to allow for expansion for the user’s purposes. Table 1: Ports on the outside of the system unit Name of port Number Available on front Number Available on back Description of Use VGA 0 3 It is used for connecting a computer to a monitor. VGA stands for Video Graphics Array External Hard Drive 1 0 A portable storage device that can be attached to a desktop computer through a USB, Fire ware connection, or
This utility prepares storage media for use by creating barriers from other files and readying it for file storage, this benefits the system by allowing it to have a fully-functioning storage media device that is ready to use. This is an improvement to current systems by ensuring storage media is ready to use and makes the computer more effective and efficient as you can access files instantly.
Motherboard: The motherboard has all the ports and slots where all the components will connect onto.
VGA (video graphics array) is a cable that is used to connect an analog PC monitor to a PC/laptop.
A hard disk drive (often shortened as disc, hard drive, or HDD) is a nonvolatile storage device that stores digitally encoded information on fast rotating rigid (i.e. hard) platters with magnetic surfaces. to be precise, “drive” refers to the motorized mechanical side that 's distinct from its medium, like a tape drive and its tape, or a diskette drive and its diskette. Early HDDs had removable media; but, a HDD nowadays is usually a sealed unit (except for a filtered vent hole to equalize air pressure) with fixed media.
Three classifications of computers are home computers, portable computers, and business computers. The desktop computer is usually found in homes or small offices. Portable computers
All of the above require endless storage capacity which is very difficult to obtain, but there is a solution that can make your life a lot easier – an external storage device.
Desktop widgets are a small generic section of independent button. These are placed on the computer desktop and required a widget behind this button to move. It communicates between the computer and this component to work. The widgets operate individual on each button or item on the computer desktop. For example, A clock and a widget, or a battery and widget. Anything that is placed on the laptop, there is the widget.
Mobile phones, iPods, computers etc. are all great methods of storage but as soon as you
are stored on the hard disk. To use this stored information you must retrieve it
hardware, referred to a referred to a very narrow line of data input and control devices that enhanced PC usage and effectiveness
Network Attached Storage, or NAS, is essentially a file server that hooks directly to your network. It 's hardware
Portable apps are becoming more and more popular everyday and businesses are starting to see the benefits of using them internally and externally to market their products. USB drives are perfect devices for these applications. For instance, OpenOffice, which is a complete office suite that contains a word processor, spreadsheet, presentation tool, drawing software and database, is available as a portable app. Mozilla Firefox and Thunderbird offer portable web navigation as portable applications. If you take these tools, namely the ability to check your email, surf the web and be able to use a full office suite, in combination with the mobility of a USB drive, you 've given yourself the ability to redefine your office environment!
f) Storage Device: Storage device like CD ROM, DVD ROM are used to preserve the documents on digital format.
This is a plug in storage device which is small, compact and light weight so easily able to attach to a keychain or placed in pocket. It is able to replace the use of CDs and does not require rebooting after it is attached and does not require batteries or an external power. data can be retained for long periods of time when it is unplugged or
Motherboard- The motherboard contains the basic circuitry, and many of the components connect to it. The motherboard is responsible of allocating the power, supplied by the PSU, to the other components connected to the board. It also allows the different components within the computer system to communicate to each other and send information around. The motherboard also houses all of the ports that go on the back panel of the pc.