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January 2018

Computer Hardware Components And Accessories

Computers are made of different components or parts, collectively known as PC hardware. Some of the main hardware PC units include CPU, mouse, display screen monitor, hard disk, keyboard, CD drive, etc. You can buy a computer from a branded company or purchase an assembled model through a professional computer software person. Many a times, when some parts of a computer get corrupted, you can also buy separate components from any online or offline computer dealers.

Likewise computer hardware parts also do include novel items such as scanners, sound cards, internet modems and even digital cameras. But, every computer has individual properties like RAM memory, CPU model details, etc which may vary from other computers.

Let us study about some of the most important computer hardware parts:

* CPU- This part is the brain of the computer. It is known as Central Processing Unit and works as a processor. The most popular processors are manufactured by Intel popular as the Pentium Chip model. Intel processors are widely used all over the world by most of the computer manufacturing companies.

* Mouse- This hardware is essential for desktop models as navigational object, to click on varied options, selecting different objects and accessing necessary information on the computer screen. There are two main buttons in the mouse, to be used to access info. Nowadays, you can find interesting types of mouse in the market such as laser mouse or ball mouse. But, they all serve the same purpose to help access computerised info from the CPU.

* Hard Disk- This is a device that helps in storing data. The all-round performance of any computer actually depends on the speed of its hard disk. Higher rotational speed of the hard disk enables fast and high speed performance by that particular computer.

* RAM- It is also known as Random Access Memory, which aids in storing of temporary information in the CPU. When you switch off the computer, such temporary info files are erased. The optimum performance of the computer also depends on the size of its RAM.

* Keyboard- This is one of the most important part in computer hardware. Keyboard helps users to enter specific commands by punching of alphabets, numbers or signs. There are other function keys like Control, Alter, delete, F keys, Page up, Page down, etc in the keyboard. There are a total of 101 keys in any standard keyboard, and designed in such a way so as to make typing faster and easier.

Other additional computer hardware includes scanner, joystick, external drive, printer and servers. Buying individual computer hardware parts can be a tedious task as there are variety of selection models, styles and designs to choose from. It is best to gather some basic first hand info about the specific computer hardware part that you intend to buy.

You can choose to buy from online computer hardware retail shops and other hardware dealers. Online directories can help you sort a list of potential manufacturers or retailers who are genuine and trustworthy.



Computer Forensics Chain Of Custody

As the trend for high-specification mobile phones and computers continues at a rapid pace so too does the potential for electronic media misuse and abuse. This kind of fraudulent activity is becoming more commonly seen in legal cases, particularly with employment tribunals. Legal firms are beginning to employ the services of computer forensics experts more widely in documenting electronic evidence and providing litigation support, as this can be crucial in the outcome of cases.

Computer forensics can be used to track and provide evidence in cases of intellectual property theft, money laundering, hacking, moonlighting and the accessing of illegal or inappropriate websites. Digital forensics can also help to secure concrete evidence of illegal activity not usually associated with electronic devices including blackmail, drug dealings and abusive behaviour.

Regardless of whether digital forensics is being used in a criminal case or a civil matter (even as part of an E-discovery exercise), maintaining chain of custody is vital. This is the fully documented tracking of evidence for the period of time that the forensics team has possession of an electronic device. It ensures that each member of the team can be held accountable for any action that they take with the media.

The purpose of this chain is to log the movements of the data, how it has been stored and subsequently analysed. It is essential that this documentation presents an accurate description of any copying, transportation and storage that has occurred, to prevent any potential legal challenge.

It is worth pointing out the differences between e-discovery and computer forensics. E-discovery is the method of processing and manipulating electronically stored information to be used in legal cases. This can take the form of emails, word processed documents, images and any other type of file, which can be filtered, viewed, analysed and categorised effectively via this system. E-discovery using a forensically acquired data set is crucial in maintaining the integrity of any information present, while potentially recovering any deleted material that may be appropriate for the legal proceedings.

Computer forensics is a highly complex industry that requires the latest in product knowledge and technical expertise. Specialists will have years of experience in the on-site capturing of data from computers, servers and other forms of electronic media. This data is then analysed by their forensic analysis specialists, and used to track how a particular device has been used. All areas of the chain of custody documentation will be completed to the highest standard to ensure peace of mind for the client.




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