Google
Oct 09

* Larges ones are called MAINFRAMES and they have been around the longest.

*Even larger and more powerful than the mainframes are the SUPER COMPUTER.

*MINICOMPUTERS or MINIS- these computers were smaller than the mainframes.

*Computer manufacturers produced even smaller designs called MICRO-COMPUTER or MICROS.

*Smaller than your fingernail the chip is called MICROPROCESSOR.

*A SMALL BUSINESS COMPUTER- is a multi-user mini or micro that is usually found in smaller firms, providing the computational support for the entire organization.

*A PERSONAL COMPUTER- is micro that is used by a single person, by a few people working in the same area.

*LAPTOP, NOYEBOOK and PALMTOP- these are progressively smaller PC’s that are battery powered portables.

*PEN COMPUTER- is a smaller PC which got its name from its ability to accept input that is written on its screen with special pen.

*COMPUTERSCHEMATIC- a diagram of the basic units that are found in all computers.

*HARDWARE- computer units.

*CENTRAL PROCESSING UNIT- controls all of the other units of the computer system and transforms the input into output.

*SECONDARY STORAGE- provides a place to keep programs and data when thye are not in use.

*SOFTWARE LIBRARY- this are the stored programs.

*DATABASE- this is where the data are stored.

*The results of the processing are recorded by the OUTPUT UNITS.

DIFFERENT FORMS OF PRIMARY

*RAM- stands for RANDOM ACCESS MEMORY and is the name given to the integrated circuits that serve as the portion of Primary Storage used to store software and data.

*ROM- stands for READ ONLY MEMORY, it is as special type of primary storage that permits reading but not writing.

*CACHE MEMORY- the movement of the program instruction and data between primary storage and processor.

*A NANOSECOND- its a one billionth of a second.

POINTING DEVICES 

*MOUSE- a small, lightweight device, approximately the size of a deck cards that fits into the palm of the hand.

*TRACKBALL- similar to the mouse to accept that the ball is on top instead of the bottom.

*TOUCH SCREEN- capability that allows you to enter data or instructions by simply touching a location using your finger.

*LIGHT PEN- is used to point at the screen in a manner similar to pointing at a touch screen with your finger.

*REMOTE CONTROL- it is possible to communicate wiht the computer in much the same way that you control a TV by using a hand- held remote control unit.

SOURCE DATA AUTOMATION INPUT DEVICES

*The relatively show input speeds can create INPUT BOTTLE- NECK of data awaitng entry into the computer.

*The input devices that read data by shining a bright light on it and then capturing the reflecting image on a matrix of PHOTO ELECTRIC CELLS are called OPTICAL READING UNITS or SCANNERS.

OUTPUT DEVICES CALLED PRINTERS.

*LINE-PRINTERS- was the first computer printers because they printed so rapidly that they appeared to be printing a line at the time.

*CHARACTER PRINTERS- print oe character at a time.

*The most popular character printer is the DOT MATRIC PRINTER.

*PAGE PRINTERS- the fastest printers are called page printers because they appear to print a page at a time. 

written by admin

Oct 09

written by admin

Oct 09

written by admin

Mar 25

We can say that Robots is the next helper to man because as we can observe now a days they are the reason why they made their work easily.Robots are man-made gadgets to replace the use of remote control and to activate some hard work.It is important when people are considering whether to call a machine a robot, or just a machine.

written by admin

Mar 25

Modernization has come in our way and yet we cannot do something to stop it. There are lots of gadgets nowadays. There are ipods, iphone, wireless headset, and others. With these new gadgets we have, our life become easier and comfortable. But of course there are disadvantages of these gadgets that make us to become lazy and dependent to that thing. For example the washing machine that we have in our house. This make the household chores lessen. Because while washing the clothes, we can do other things at the same time.

written by admin

Mar 18
Click here!

 

 

Flagship Department Stores

Macy’s Herald Square, the world’s largest department store, is one of New York City’s most famous retail icons. First-time shoppers can stop by the visitor’s center where multilingual consultants provide guests with tips to navigate the store as well as offer other New York City tourist information.

Bloomingdale’s, affectionately know as “Bloomies,” has been a “see-and-be-seen” destination for decades. At this East Side mecca, check out the premier designer handbags, classic men’s and women’s collections, fine housewares and more. The store features an international services desk/visitor’s center as well as multilingual store directories, complimentary personal shoppers, size conversion charts, and visitor information.

Saks Fifth Avenue This Fifth Avenue landmark offers luxurious men’s, women’s and children’s clothing, a first-rate home store, fur and bridal salons and more.

Fifth Avenue

For many visitors, Fifth Avenue is New York City’s must-see shopping destination. Filled with a mix of upscale boutiques, well-known chains, and attractions such as Rockefeller Center and St. Patrick’s Cathedral, this area is home to stores such as  World of Disney, and Nike Town. Once you have shopped until you need to drop, head over for a pampering beauty treatment behind the famous Red Door

 
 

written by admin

Mar 18

Advertising is a form of communication whose purpose is to inform potential customers about products and services and how to obtain and use them. Many advertisements are also designed to generate increased consumption of those products and services through the creation and reinforcement of brand image and brand loyalty. For these purposes advertisements often contain both factual information and persuasive messages. Every major medium is used to deliver these messages, including: television, radio, movies, magazines, newspapers, video games, the Internet and billboards. Advertising is often placed by an advertising agency on behalf of a company.

Advertisements can also be seen on the seats of grocery carts, on the walls of an airport walkway, on the sides of buses, heard in telephone hold messages and in-store public address systems. Advertisements are usually placed anywhere an audience can easily and/or frequently access visuals and/or audio and print

written by admin