erUNIT 1 INTRODUCTION TO COMPUTERS Structure 1.1 1.2 1.3 Introduction Objectives Introduction to Computers Why Computer? Evolution of Computers 1.3.1 The First Computer 1.3.2 Some Well Known Early Computers 1.3.3 Computer Generations 1.4 1.5 1.6 1.7 1.8 1.9 Components of a Computer Hardware vs Software System vs Applications Software Bits and Bytes Input and Output Devices RAM/ROM 1.10 Secondary Storage Devices 1.11 Summary 1.12 Answers to SAQs 1.1 INTRODUCTION This unit aims
Premium Computer Computer data storage
INTRODUCTION Computer is defined as a combination of electro-mechanical devices (Hardware) capable of accepting data or information‚ processing‚ storing‚ and providing output under the control of some instructions and commands called programs (Software). Computers are machines that perform tasks or calculation according to a set of instruction or programs. Introduce in 1940s the first fully electronic computers were huge machines that required teams of people to operate. Compared to those early
Premium Computer
Basics of Computer :: 1 1 Basics of Computer 1.1 INTRODUCTION In this lesson we present an overview of the basic design of a computer system: how the different parts of a computer system are organized and various operations performed to perform a specific task. You would have observed that instructions have to be fed into the computer in a systematic order to perform a specific task. Computer components are divided into two major categories‚ namely‚ hardware and software. In this lesson we
Premium Inkjet printer Computer Computer program
Computer Basics Ty Christian English Allied American University Short Response Discuss where a computer stores its basic hardware settings‚ why it does so‚ and what some of those settings are. A computer is a very complex and complicated piece of equipment that take teams of professional’s to manage. What people seem to forget is even this enigma of hardware also have a very basic system that fires it up. This is called the BIOS (Basic Input/Output System). As the name suggests
Premium Flash memory USB flash drive
Operating System: An operating system (OS) is a set of software that manages computer hardware resources and provides common services for computer programs. The operating system is a vital component of the system software in a computer system. Application programs require an operating system to function. Types: 1. Real-time A real-time operating system is a multitasking operating system that aims at executing real-time applications. Real-time operating systems often use specialized scheduling
Premium Operating system Microsoft Windows Windows Vista
TASKBAR In the graphical user interface (GUI) for a computer operating system or application‚ a taskbar is a visual device on the desktop that typically shows the user which applications (tasks) are currently active and running. Combined window management and program launching As noted above‚ the Windows 7 taskbar combines two previously separate bits of functionality: Open window management and program launching/file opening. Prior to Windows 7‚ the taskbar was generally used only to manage open
Premium Windows Vista Microsoft Windows Graphical user interface
Section 5 Study Questions (18.0 points) Answer each question fully. Complete sentences are not necessary‚ but some questions may require more than one sentence to answer them fully. Lesson 1 (5.0 points) 1. What is a screen in a presentation called? (1.0 points) slide 2. What file extension do Impress files use? (1.0 points) open office 3. What can you use to create a presentation quickly‚ without making it from scratch? (1.0 points) template 4. What is
Premium Question File format File system
SET – A Comprehensive Unit Test (MBA) - HRM INSTRUCTIONS: 1. Solve all the following “SECTIONS” [Hand-Writing Format] with Cover Page 2. Submit “The TEST” on Friday 11 April 2014 @ 6:30 PM FACULTY: PROFESSOR DR. M. MAHMODUL HASAN SECTION – A: Micro Case Study: HSBC HSBC in Asia: A Case Study on Harmonization of HR Practices Forces in the world economy have necessitated that financial institutions become more international in outlook if they are to survive in the global arena. Noticeable
Premium Human resource management Management
PRESTON UNIVERSITY LAHORE CAMPUS 1-A Ahmed Block New Garden Town Lahore Assignment-I: Digital Computer Electronics (DCE) Semester: Fall-2012 Task: K-map Simplification Student Name: Shaukat Mahmood (03007411855) Registration No. 16D2-212022 Program: B-Tech Pass (Advance) Quarter: 5th Submitted to: Professor Assad Umer Khan Assignment Task: USE OF KARNAUGH MAP FOR SIMPLIFICATION OF LOGIC CIRCUIT/ EXPRESSION Rules for Karnaugh Map Simplification: Followings are the
Premium Logic Roman numerals
Certificate Course in Computer Studies Dharmaraja Computer Division – Aluthgama Instructor: Amila Kularathne (B.Sc (Curtin)‚ Na.Dip IT‚ CCNA/S‚ MCTS) This lesson introduces key concepts related to how computers work. Computer related terms are defined and basic computer functions are explained. In particular‚ the following topics are addressed. • What is a computer? • What are the components of a computer? • How does a computer work? • How does the software work? • How does a computer process information
Free Computer Operating system