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Decoding the Jargon Essay

Create a booklet which explain the function of hardware components and identify communication between components. The pages should include photographs and diagrams to illustrate the information you include. (P1) Components communication

The following diagram shows how components communicate each other’s.

Also known as the processor, the CPU is the heart of the computer and has two part: Control Unit
The control unit controls the flow of data through the processor. Arithmetic/Logic unit (ALU)
The ALU performs mathematical, logical, and decision operations in a computer and is the final processing performed by the processor.

A computer can only run a program when it is in memory named RAM (Random Access Memory). List of RAM such as: Double data rate synchronous dynamic random access memory (DDR SDRAM), Static Random access memory (SRAM) and Dynamic random access memory (DRAM).

Hard drive
A HHD is a data storage device that provides storage and retrieving digital information. Serial Storage Architecture (SSA) is a serial transport protocol used to attach disk drives to server computers. A solid-state drive (SSD) it contains no actual “disk”, it is a data storage device using integrated circuit assemblies as memory to store data. It is more quiet when it runs, more resistant to physical shock, has a lower access time and less latency.

The motherboard is the main circuit board inside a computer. A number of major hardware components are plugged into it, including the CPU, hard drive, the BIOS memory and RAM. The most commonly found and used motherboard is ATX motherboard. It is the standard motherboard which suit to any desktop computer.

A computer fan is any fan inside, or attached to, a computer case used for active cooling, and may refer to fans that draw cooler air into the case from the outside, expel warm air from inside, or move air across a heat sink to cool a particular component. CPU fan: Use to cool the CPU heat sink.

Graphic card Fan: The specific fan to cool down the temperature of graphic card. PSU fan: The power supply unit fan play two rules that cool down the itself and removing the warm air from the case.

A power supply unit converts mains AC to low-voltage regulated DC power for internal components of computer.

DVD is digital optical disc that can store a large amount of digital data such as text, music, image or video.
b. Add a new section to the booklet to explain the purpose of TWO different Operating Systems and compare the features functions of these operating systems. (P2, M1) Window 8 is the latest vision of the Windows operating system, which was developed by Microsoft. It acts as an interface between the hardware and the user. Purpose of Windows 8

The operating system was made for personal, home or business user in the desktop, laptop, tablet and smartphone market. It makes computer easy for users to control.

1. Graphical User interface
The windows operating system designed originally to replace MS-DOS, which make the computer interface more user-friendly and allows you to use your mouse to operate. Windows 8 come with a new and unique kind of use interface (UI) called Metro.

2. Accessibility.
Windows 8 increase the accessibility which includes features to enable disable people to use the computer more easily, such as: Optimize visual display to allow people to see more cleanly on screen, turn on audio description for people who are blind, adjust the setting of mouse for people are using different hand.

3. Multitasking
Windows 8 provided people with the ability to do multitask more easily and steady. The Graphical User Interface makes easier to navigate from different tasks.

4. A Standard
Part of windows’ purpose is to create a standard for third-part software developers. All windows programs will feature in a standard format, such as the position of menu options, the way programme opened and closed down. Purpose of DOS

DOS known as Disk operating system that allow people to manage the storage devices such as hard disk, solid disk, flash disk or floppy disk. DOS is the basic system that people have to using Command line prompt to communicate with computer via simple interface which is not “friendly” user interface. The DOS can’t run multitask on computer which can only load one program until it finished. But some of the features still quite useful that people still use it. Such as:

Comparison of two operating systems
We can see there are many different between those two computer operating system which the Windows 8 operating system have a lots of advance features and higher performance that suit to nowadays. The DOS system usually used to be run a specific program which prevents any virus or hacker attack in the solo computer such as sale program, data base in the hospital or council data base.

c. In your document explain the purpose of different software utilities which is available. Explain how software utilities can improve the performance of computer systems (P3, D1) Windows 8 Utility

Virus Protection
The specific program used to prevent viruses, worms and Trojans which attached in the email or website. Every computer need to install an anti-virus software and have upgrade its regular that make sure the computer more securer. Firewall

The Firewall is the software that build up to prevent attack from hacker which build a protective barrier in your computer when your computer connect to the network. It controlled which software’s data can thought the network and monitored the data thought the computer. Clean-up Tools

The system utility that clean up system’s rubbish to make computer running more steady and smoothly. The list of clean-up content such as: Removal of cookies
Internet history
Drive formatting
Drive formatting that means to delete everything on the drive or partition to install operating system or classify your partition. You can do it from Disk management or using Formatting Command in Command prompt just like type command in the DOS OS. Utility of DOS

CHKDSK Checks a disk and repair your data that might lose or corrupt from take off your disk incorrectly or your computer lost electricity when it was running. The CHKDSK help computer more secure and repair the corruption when it detects. Ping is a computer network utility that to test how quickly the host to connect to the server. This utility could help user easier to check the connectivity with network. FDISK is utility software which using on DOS to partitioning disk and manage the partition. The FDISK that formatting your disk completely that not be able to recovery and it the common tool that used in 1990s during now. Scandisk is the command to run disk-repair on the current drive. DEFRAG is Command to reorganizes files on disks to optimize performance. DEBUG is command to run Debug, a program testing and editing tool.

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