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It facilitate the computer to do communication with others computer. Modem. It is the abbreviation of MOdulation and DEModulation that converts from digital to analog and from analog to digitl data. There are two types of modem. . Dialup Modem(internal modem) . DSL Modem(external modem)

By creating and formatting a bulleted list, you can draw attention to the major points in the document. Select the two paragraphs below the phrase. On the Home tab, in the paragraph group, click the Bullets button. Notice that solid circles appears before the selected paragraphs. Place the insertion point at the end of secondContinue reading “Creating a Bulleted List in MS Word.”

Application software are uses to perform some specific task related to the user requirements. Definition of Application software. Application program is a programs which is specially designed for end users. To perform a task they interact with the user talking to hardware through system software. Application software may consist of single program such as MSContinue reading “Application Software.”

Two main catageories of software 1. System Software 2. Application Software System Software. System software is a type of software which control all the operation of computer system wheather they are hardware or application software without operating system they are not able to perform any functions. System Software is further divided into three basic categories.Continue reading “Software”

Cutting edge technologies are the up-to-date developed technologies in computer science. This technology refers to the IT based most recent achievements such as Barcode reader, Fingerprint reader and robots etc. Barcode Reader. It is a set of white and black bars varying in with. Barcode reader is scanning device. This device is used as inputContinue reading “Cutting Edge Technologies”

The e-book reader is an electronic device sized like a mobile phone which displays text and images. They are used to read books, magazines and newspapers downloaded from the internet.

Expension cards controls the peripheral devices such as graphics card, network interface card and sound card etc. Expension slots is a socket on motherboard where different expension card can be inserted. Expension Cards. These cards are the printed circuit boards that are fitted into an expension slot. The main purpose of these cards are toContinue reading “Expension Cards, Slots :”

The data on computer is stored in memory. Memory is divided into two main parts RAM and ROM. Data stored in RAM is temporarily while data lies in ROM is permenant. The computer memory is any kind of physical device which can store data temporarily or permanently. Memory consist of instructions and data saved intoContinue reading “Computer Memory :”

Different parts of system unit are as under: Motherboard: Motherboard is the main board lies inside the system unit which helps to connect all the components and devices with the processor. It is the base of computer. Different sizes of motherboard are avaliable for different computers. Every design is for particular type of processor andContinue reading “What is system unit:-“

The physical parts of the computer are known as computer hardware. It consists of internal and external components. Internal components include CPU, motherboard, hard drives etc. Some of the components visible and can be interacted with USB Drivers, CD Drivers and different ports and sockets to connect external components at the back of system unit.