Introduction to Personal computers. Assignment you

 Introduction to Computers. Assignment you Essay

Introduction to Computer systems

Written Project 1

Section 1

1 ) What is the most important difference among a computer and a calculator

A calculator can easily process statistical data, which means, it can just work with numbers, but some type of computer can procedure alphanumerical data, such as numbers, letters, graphics, pictures, online video, audio files and much more. A calculator can only end up being programmed to calculate numbers. A computer are able to use thousands diverse programs.

2 . How are pcs today comparable to those by World War II? Exactly how are they different?

Similar: Computers today and others from World War II both had to be programmed. That they both acquire input and process data, produce end result and shop data.

Diverse: The computer via WW II were huge, bulky, and very expensive. There have been only couple of computers in those days. ABC ( Atanasoff-Berry Computer) was created in 1939, and it was competent of resolving systems of linear equations. Another computer system, Mark I used to be created in 1944. It had been 51-foot-long, 8-foot-tall monster, that was extremely noisy and slow, although computed airborne tables for the US Navy. Those computer systems didn't have monitors, mouse, and other suggestions devices that we know today. They did not have storage, storage gadgets, and processor. Instead of microprocessors they used vacuum tubes to store and manipulate data. Modern personal computers are a lot smaller, less costly, and faster. They can use many of different applications for lots of several purposes.

three or more. The way persons use the Internet has changed since the early days. How?

At first, the Internet was used only by the US government for connecting computer systems. Later, in 80s, it absolutely was used by studies academics and government officials for copying data and exchange e-mail (email).

When ever later, in 1990s, the WWW ( World Wide Web) was created, people were in a position to transfer not only a plain textual content, but likewise pictures, seems, videos, and other files. Ever since then, millions of people could actually connect to the world wide web through browsers, to connect, to search for and also to share data.

4. What types of computers commonly employ timesharing?

Timesharing is utilized by mainframe computers and terminals. Via timesharing, a lot of computers-terminals are able to use the same mainframe computer to gather needed information at the same time. This kind of function is usually widely used by simply travel agents in the airports, or by many study scientists and engineers, etc .

Chapter two

5. Draw a block diagram exhibiting the major aspects of a computer and their relationships. In short , describe the function of every component.

[pic]

6. Why is the international computer sector shifting coming from ASCII to Unicode pertaining to representing text?

ASCII ( American Standard Code) is designed for American British Alphabet. Unicode is used to aid multilingual calculating, to accommodate Chinese, Greek, Hebrew, Japanese, Arabic, Russian, and other languages.

several. Why is info stored in some kind of binary formatting in computer systems?

A computer can simply understand details if it continues to be broken in to bits. A lttle bit is a most compact unit of information a computer can process. A little can have one main of two values: zero or 1, which is called a binary file format.

Chapter a few

8. List five suggestions devices and three result devices that might be attached to a PC. Illustrate a typical make use of for each. SUGGESTIONS:

1 . Computer keyboard – used to send alerts to the laptop.

2 . Directing devices – are designed to push pointer surrounding the screen and point to specific characters or perhaps objects. Include mouse, game controllers, touchscreen display, touchpad, and more.

3. Multi-touch input products – used to accomplish complicated tasks quickly by using multi-finger, or multi-hand gestures. For example , the IPhone from Apple.

4. Reading Tools – designed to allow computers to see marks swiftly that signify codes. For instance , Optical draw readers, permanent magnetic...

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