By: Jhona P. Golocino

A computer is a machine that can be programmed to manipulate symbols. Its principal characteristics are: It responds to a specific set of instructions in a

well-defined manner. t can execute a prerecorded list of instructions (a

program). It can quickly store and retrieve large amounts

of data.

A computer is an electronic machine that accepts information (DATA), processes it according to specific instructions, and provides the results as a new information.

A microcomputer is a computer with a central processing unit (CPU) as a microprocessor. Designed for individual use, a microcomputer is smaller than a mainframe or a minicomputer.

What is Microcomputer?

A minicomputer is a type of computer that possesses most of the features and capabilities of a large computer but is smaller in physical size.

What is Minicomputer?

A personal computer is a general-purpose, cost-effective computer that is designed to be used by a single end-user. It is dependent on microprocessor technology, which allows PC makers to set the entire central processing unit (CPU) on a single chip.

What is Personal Computer?

What is Supercomputer?

It is the most powerful computers in terms of performance and data processing. It has the architecture, resources and components to achieve massive computing power.

What is Laptop? A laptop is a computer designed for

portability. Laptops are usually less than 3 inches thick, weigh less than 5 pounds and can be powered by a battery. It is generally more expensive than desktops and netbooks.

What is Tablet?

A tablet is a wireless touch screen personal computer (PC) that is smaller than a notebook but larger than a smartphone.

Modern tablets are built with wireless Internet or local area networks (LAN) and a variety of software applications.

Software – a program that tells a computer how to perform tasks.

Hardware – a physical devices that make up a computer system.

BASIC PARTS OF

COMPUTER:

oSoftware is a collection of instruction that enable the user to interact with a computer, its hardware, or perform tasks. Without software, computers would be useless.

oSometimes abbreviated as SW and S/W.

Software

Hardware oComputer hardware is the collection of

physical components that constitute a computer system. Computer hardware is the physical parts or components of a computer.

PARTS OF COMPUTER(hardware)