PPT-TYPES And COMPONENTS OF COMPUTER SYSTEM

Software  computer instructions or  data Anything that can be stored electronically is software in contrast to storage devices and display devices which are called hardware Example . Computer monitors are often positioned too low for its user which may bring about a downward eye glaze an increased neck angl e and forward bending of the upper back With the neck and upper back in this position stress on the spine significantly inc Computer Systems – Hardware. Sources: Patricia Setser. Modified. : Margaret Lion. Relationship of OS to hardware and software ONION ANALOGY. Computer Hardware. Hardware is the computer and any equipment connected to it. . Zhuravlev. Alexander 326 MSLU. COMPUTER-RELATED CRIME. Computer crimes refer to the use of information technology for illegal purposes or for unauthorized access of a computer system where the intent is to damage, delete or alter the data present in the computer. Even identity thefts, misusing devices or electronic frauds are considered to be computer crimes.. By. Mr. . Abdalla. A. . Shaame. 1. What is Computer. An electronic device that stores, . retrieves, and . processes data, and can . be programmed . with instructions. . A computer . is composed of hardware . . Copyright © Texas Education Agency, 2011. All rights reserved.. 1. Lesson Objectives. Describe the function of the motherboard.. Identify the different types of motherboards and their characteristics.. 3. , 5. th. Edition. Lesson 25. Network Fundamentals. 1. Morrison / . Wells / Ruffolo. Objectives. Define communication networks and identify the differences between public and private networks.. Describe common hardware and software components in a computer network.. Digital Data Representation. The basic building block of the CPU is the transistor. A CPU can contain billions of . them. The . 0s and 1s used to represent data can be represented in a variety of ways. Chapter objectives. . Types of computers. Supercomputers. Mainframes . Minicomputers. Networks. Personal computers. Personal digital assistant. The Internet. Intranets . Extranets. Humans or computers. Computer Literacy BASICS: A Comprehensive Guide to IC. 3. , 3. rd. Edition. Morrison / Wells. About the Presentations. The presentations cover the objectives found in the opening of each lesson.. All lesson objectives are listed in the beginning of each presentation.. 1617 . Napiers. Bones : John Napier. 1642 Calculator : . Blaise. Pascal. 1801 Card of holes for weaving pattern : Joseph Jacquard.. 1823-24 Analytical Engine(1. st. Computer) : Charles Babbage.. . ) . ,. and it is operating under the control of instructions (software).. Computer Definition. • Hardware: . - Pieces of equipment that make up a computer system. . - These are the parts you can touch (although many parts are contained within the computer’s case). . An interconnection network facilitates communication among these three components. . System bus is the set of physical connection in between cables and printed circuits. It is shared by different hardware components. It is an electronic pathway that the processor uses to communicate with the Internal and External devices of a computer system.. Input Unit. CPU (Central Processing Unit). CPU itself has the following three components −. ALU (Arithmetic Logic Unit). Memory Unit. Control Unit. Output Unit. Input Devices. Keyboard. Mouse. Joy Stick. Chapter 1: Computer Basics. Learning Objectives:. Understand the purpose and elements of information systems. Recognize the different types of computers. Distinguish the main software types. Identify the components of a computer system.