What is a Modem

ModemA Modem which comes from the word “Modulator/Demodulator” is a device that modulates outgoing digital signal from computer or any digital devices into an analog signal to transmit trough cable or telephone lines and demodulates incoming analog signal from cable or telephones lines into digital signal to be used for any digital devices such as computer

What is Memory or RAM

MemoryMemory or RAM is the temporary working memory that your computer uses to perform calculations and manipulate files. When you open a document, it is copied from the hard drive into RAM. As you and your word processor work on the file, the modified copy exists only in RAM. When you save the file, it is copied from RAM back to the hard drive, or permanent storage. It is also the place in a computer where the operating system, application programs, and data in current use are kept so that they can be quickly reached by the computer's processor.

What is LCD Monitor

LCD MonitorLCD Monitors are commonly used in notebook computers and now are most popular for flat panel desktop monitors. It is a flat panel display device that uses rod-shaped molecules called liquid crystals that flow like liquid and bend light. It is often utilized in battery-powered electronic devices because it uses very small amounts of electric power.

What is Keyboard

KeyboardA Keyboard is a primary input device that is used mainly for inputting text. Its key-arrangement was patterned from and electronic and mechanical typewriter.

What is Hard Disk Drive

Hard Disk DriveHard Disk Drive is the mechanism that controls the positioning, reading, and writing of the hard disk, which furnishes the largest amount of data storage for the PC. Although the hard disk drive and the hard disk are not the same thing, they are packaged as a unit and so either term is sometimes used to refer to the whole unit.
There are several interface standards for passing data between a hard disk and a computer. The most common are IDE and SCSI.

What is DVD-RW

DVD-RWDVD-RW is a rewritable optical disc which has a typical storage of 4.7 gigabytes. Its primary advantage is its ability to erase and rewrite data. It is most suitable for volatile data such as back ups or collection of files. One advantage also of using this disc is if there are writing error in recording data, the disc can be reused again by erasing the faulty data.

What is DVD-ROM

DVD-ROMDVD-ROM is an optical disc storage that is capable to store atleast 47.7gigabytes.
DVD-ROM has data which can only be read but cannot be written over. It has the same size and form with CD-ROM

What is CD-RW

CD-RWCD-RW(Compact Disc ReWritable) is a rewritable optical disc. It enables you to write over it many times.

What is CD-ROM

CD-ROMCD-ROM (Compact Disc-Read-Only Memory) is an optical disk use for storing large amount of data, the most common is 650 Megabytes. CD-ROMs are popularly used to distribute computer software, including games and multimedia applications, though any data can be stored (up to the capacity limit of a disc).

Wha Are the Types of Computer

desktop computer is an electronic machine computer which convert raw data into meaningful information, made for use on a desk in an office or home and is distinguished from portable computers such as laptops or PDAs.Articles

laptop computer,(also notebook computer), is a small mobile computer, which usually weighs 2-18 pounds (16 kilograms), depending on size, materials, and other factors. A laptop computer is much smaller than a desktop.

Personal Digital Assistant(PDA) are handheld computers, but have become much more versatile over the years. PDAs are also known as pocket computers or palmtop computers.

Palmtop Computers a small and lightweight portable computer, with most of the features of a standard notebook computer but smaller.

Server usually refer to a computer that is dedicated to the task of storing and retrieving large amounts of data. For example, a large computer dedicated to a database may be called a "database server". "File servers" manage a large collection of computer files. "Web servers" process web pages and web applications.

What is Desktop Computer

Desktop ComputerA desktop computer is a personal computer that is designed to fit conveniently on top of a typical office desk and comes in a variety of case styles ranging from large vertical towers to small form factor models that can be tucked behind an LCD monitor.
Desktop computer is used in businesses, schools, and households. It is used for performing office tasks, organizing digital photos, video editing, gaming and Internet access.

What is Notebook Computer

Notebook ComputerNotebook computer, commonly called laptop computer, is a personal computer generally equal or smaller than a briefcase. It is very handy and can easily be transported and conveniently used in temporary spaces such as in class rooms, in libraries, temporary offices, and at meetings. It can be used while you are on plane or navigating through ship. Notebook computer is a small mobile computer, which usually weighs 2-18 pounds depending on size, materials used to make it.

Notebook Computers - What are the Advantages of using it

Notebook is very handy and can easily be transported and conveniently used in temporary spaces such as in class rooms, in libraries, temporary offices, and at meetings. It can be used while you are on plane or navigating through ship.