Computer System

Good Essays
Lesson 1

An Overview of the Computer System

This lesson includes the following sections:

• The Parts of a Computer System

• Looking Inside the Machine

• Software: Bringing the Machine to Life

The Parts of a Computer System

• What is a Computer?

• Hardware

• Software

• Data

• Users

The Parts of a Computer System - What is a Computer?

• A computer is an electronic device used to process data.

• A computer can convert data into information that is useful to people.

• A complete computer system includes four distinct parts:

• Hardware

• Software

• Data

• User

The Parts of a Computer System - Hardware

• A computer 's hardware consists of electronic devices; the parts you can see and touch.

• The term "device" refers to any piece of hardware used by the computer, such as a keyboard, monitor, modem, mouse, etc.

The Parts of a Computer System - Software

• Software – also called programs – consists of organized sets of instructions for controlling the computer.

• Some programs exist for the computer 's use, to help it manage its own tasks and devices.

• Other programs exist for the user, and enable the computer to perform tasks for you, such as creating documents.

The Parts of a Computer System - Data

• Data consists of raw facts, which the computer can manipulate and process into information that is useful to people.

• Computerized data is digital, meaning that it has been reduced to digits, or numbers. The computer stores and reads all data as numbers.

• Although computers use data in digital form, they convert data into forms that people can understand, such as text, numerals, sounds, and images.

The Parts of a Computer System – Users

You May Also Find These Documents Helpful

  • Powerful Essays

    Computer System

    • 1905 Words
    • 8 Pages

    Computing and Systems Development Unit Code & Title : L/601/0446– Unit 02 - Computer Systems (No 1 of 1) Assessment Title & No’s : Learning outcomes and grading opportunities: LO 01:Understand the function of computer systems | Learning Outcomes | LO1.1 | LO1.2 | LO1.3 | | | | | LO 02: Be able to design computer systems | Learning Outcomes | LO2.1 | LO2.2 | | | | | | LO 03: Be able to build and configure computer systems | Learning…

    • 1905 Words
    • 8 Pages
    Powerful Essays
  • Satisfactory Essays

    Computer System

    • 492 Words
    • 2 Pages

    ------------------------------------------------- HND Computer and Systems Development ------------------------------------------------- ASSIGNMENT ------------------------------------------------- 2012 – 13 COLLEGE | City of Westminster College | PROGRAMME | HND Computer and Systems Development | MODULE NAME & CODE | Computer Systems Unit 2 (L/601/0446) | STUDENT NAME | | ASSESSOR | Anas Ahmed | ASSIGNMENT NUMBER | ONE | | Tasks | Hand in Dates: | | Task 1 – Report | Friday 14th…

    • 492 Words
    • 2 Pages
    Satisfactory Essays
  • Powerful Essays

    computer systems

    • 3167 Words
    • 12 Pages

    Task 1 Hospital information system Hospital information is a one of the most important issues in health services. Hospitals provide a medical assistance to people. The best introduction for the hospital information system has been made in 2011 International Conference on Social Science and Humanity, which is; Hospital Information Systems can be defined as massive, integrated systems that support the comprehensive information requirements of hospitals, including patient, clinical, ancillary…

    • 3167 Words
    • 12 Pages
    Powerful Essays
  • Powerful Essays

    COMPUTER SYSTEMS

    • 1701 Words
    • 7 Pages

    BTEC HIGHER NATIONAL DIPLOMA ASSIGNMENT FRONT SHEET COMPUTER SYSTEMS ASSIGNMENT 1 COURSE: UNIT CODE: LECTURE DAYS: VENUE: DURATION: LECTURER: DATE OF ISSUE: HAND IN DATE: NO.: 1 Computer Systems L/601/0446 Wednesdays Champs Fleurs September ’13 – January ‘14 Karleen Lall Wednesday, October 9, 2013 Wednesday, November 13, 2013 2 3 RESUBMISSION Student Name: _______________________________ Edexcel No.: _______________ Criteria reference To achieve the criteria…

    • 1701 Words
    • 7 Pages
    Powerful Essays
  • Satisfactory Essays

    Computer System

    • 982 Words
    • 4 Pages

    Computer System Introduction & Definitions — Computer is an electronic device that is used to solve various problems according to a set of instructions given to it — A computer is a programmable machine that receives input, stores and manipulates data, and provides output in a useful format Brief History of Computer — The first use of the word "computer" was recorded in 1613, referring to a person who carried out calculations, or computations, and word continued to be used in…

    • 982 Words
    • 4 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Computer system

    • 512 Words
    • 2 Pages

    Computer systems may be classified into the following groups: 1 - The supercomputers are extremely fast computers that are used in scientific research for their ability to do large amount of calculations and store large amount of data. One use of these computers is weather forecast because of the large amount of calculations involved. 2 - Mainframe computers allows several thousands of users at any time. They are used by government companies, airline companies for bookings, insurance companies…

    • 512 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Computer System

    • 792 Words
    • 4 Pages

    Computer systems now a days are everywhere. We can find that in places we cannot see or would not expect to find them. This gadget are no longer specialized tools used only by scientists or engineers like before. They are not kept behind sealed-glass walls under a climate-controlled environments anymore. They are a fact of life that companies cannot live without and even individuals like us. It is a common thread that ties together our education, work, and home life. Thus, computer literacy becomes…

    • 792 Words
    • 4 Pages
    Good Essays
  • Powerful Essays

    Computer System

    • 3937 Words
    • 16 Pages

    Computer Systems Individual Assignment Executive Summary This is an analysis study done for the “RAINBOW” digital color lab which is going to be opened soon in Colombo City. The main reason of this analysis is to identify and recommend Computer systems, software and peripheral components which will be needed for the employees of the lab for their daily work. Also policies were recommended for security and safety of the computers use, Data backup policy and the health and safety of the…

    • 3937 Words
    • 16 Pages
    Powerful Essays
  • Powerful Essays

    Computer Systems

    • 1233 Words
    • 5 Pages

    Qualification|Unit number and title| HND in Computing and Systems Development | 02-Computer Systems| Assignment title|Computer Systems – Unit 2 | In this assignment you will have opportunities to provide evidence against the following criteria.Indicate the page numbers where the evidence can be found | Criteria reference|To achieve the criteria the evidence must show that the student is able to:||Task no.||Evidence| P2.1.1|Explain the role of computer systems in differentenvironments||T1.1||| P2.1.2|Explain…

    • 1233 Words
    • 5 Pages
    Powerful Essays
  • Powerful Essays

    Computer System

    • 1321 Words
    • 6 Pages

    | |Unit 02 – Computer Systems |Mr. K.Akilan | |Assignment Title & Number: |Learning Outcomes Covered: |Assessment Criteria Covered: | | |LO1. Understand the function of computer |(1.1,1.2,1.3)(2.1,2.2),(3.1,3.2),(4.1,4.2) |…

    • 1321 Words
    • 6 Pages
    Powerful Essays