Assignment Pn Hasni : Chapter 1; Introduction to IT (Part 2)

CATEGORIES OF

COMPUTERS

A)SUPERCOMPUTERS

-The fastest and most powerful type of computer that is capable of processing trillions of instructions per second.

Uses Of Supercomputers

Nuclear energy research

Molecular calculations

Petroleum exploration

Weather forecasting

Simulations and applications in medicine

Aerospace research

Breaking encryption code

Online banking

B)MAINFRAME COMPUTERS

-Large and powerful computer that handles many connected users simultaneously and used to host a large amount of data and programs.

Uses Of Mainframe Computers

Insurance Companies
-To process insurance claims

Hotels and Airlines
-Hotel bookings, airline flight  reservations

Banks
-Online bill payment

Hospitals
-To manage patient records and health services

C) PERSONAL COMPUTERS

- Type of computer based on a microprocessor and designed to be used by one person at a time.

TYPES OF PERSONAL COMPUTERS

Desktop Computers
-Designed to fit on or next to a desk, with input and output devices separate from the system unit.

Laptop Computers
-Portable computer that opens to reveal a screen and keyboard, that is designed to be carried around easily.

Tablet computers.
-Portable computer about the size of a notebook that is designed to be used with a digital pen or touch input.



Uses of Personal Computers

-Home or office environment.
-Web browsing and e-mail.
-Read e-books.
-Play movies and games.
-Send instant texts.
-Take photos or videos.
-Manage contacts or schedule appointment.

D) MOBILE COMPUTERS AND DEVICES

Mobile computer: Portable personal computer, such as laptop or tablet, designed so that user easily can carry it from place to place.

Types of mobile computer

Laptop Computer

Netbook

Slate tablets

Tablets

Ultra thin laptop

Mobile devices: Computing device small enough to hold in your hand.

Types Of Mobile Devices:

Digital Camera

Handheld computer

Portable and Digital media players.

Smartphone

E-book Readers

Wearable devices

Uses Of Mobile Computers And Devices

-Home or office environment.
-Web browsing and e-mail.
-Read e-books.
-Play movies and games.
-Send instant texts.
-Take photos or videos.
-Manage contacts or schedule appointment.

E) Embedded Computers

-A tiny computer embedded into a product to perform specific functions or tasks for that product.

Products that contain embedded computers:

-Consumer electronics

-Home automation devices

-Computer devices and office machine

-Automobiles

-Process controllers and robotics

COMPARISON BETWEEN TYPE OF COMPUTERS

CATEGORIES OF COMPUTERS
CATEGORY	CAPABILITIES
	PHYSICAL SIZE	SPEED	STORAGE
Supercomputers	Full room of equipment.	-The fastest and most powerful type of computer with thousands of processors capable of processing trillions of instructions per second.	Highest storage capacity that can store complex and sophisticated applications, and can store more than 20,000 times the data and information of an average desktop computers.
Mainframe computers	Partial room to a full room of equipment.	-Large and powerful computer that can process millions of instructions per second and handle thousands of connected computers.	Larger storage capacity that can store data, instructions,and informations for business applications and activities.
Personal computers	Small computer from desktop to laptop computers that fits on a desk or fits on your lap.	- Type of computer based on a microprocessor and designed for individuals and business, capable to provide computing power for home and office environment.	-Storage capacity ranges from GB to TB that can store home and office software.
Mobile computers	Computers that are designed to be carried around easily about the size of a paper notebook to fit in one hand.
Mobile devices	Very small communications device. (pocket-sized computers)	-A computer based on a microprocessor that contain built in computing or Internet capabilities.	Storage capacity up to GB that can store mobile applications.
Embedded computers	A tiny computer embedded into a product. (installed in a device)	Tiny specialized microprocessors installed in smart appliances and automobiles.	Storage capacity  normally in KB.