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
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
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
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
COMPUTER PROGRAMMING Programming languages for computers are developed with the primary objective of facilitating a large number of persons to use computers without the need to know in detail the internal structure of a computer. Languages are matched to the type of applications which are to be programmed using the language. The ideal language would be one which expresses precisely the specification of a problem to be solved‚ and converts it into a series of instructions for a computer. It is not
Premium Programming language
5 basic operations performed by computer system Inputting Storing Processing Outputting Controlling The internal structure of a computer looks like above: Input unit: Input unit links the external environment with the computer system. Data and instruction must be entered to the computer before performing any competition. Data or instructions can be entered through input devices eg. Key board‚ or any other input devices. Input unit transferred this data into binary coded in short input unit
Premium Input device Computer Arithmetic
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
What are computer programming languages? A programming language can be explained to be a language that are used by the machines mainly computer systems. They are notations to write programs which are condition of a computation or algorithm. Few restrict the expression of "programming language" to those languages that are used to express all possible algorithms. The invention of computers is predated by the earlier programming languages that were used to direct the behavior of machines‚ for
Free Programming language Computer program
Chapter 2 Computer programming often shortened to programming‚ scripting‚ or coding is the process of designing‚ writing‚ testing‚ debugging‚ and maintaining the source code of computer programs. This source code is written in one or more programming languages (such as Java‚ C++‚ C#‚ Python‚ etc.). The purpose of programming is to create a set of instructions that computers use to perform specific operations or to exhibit desired behaviors. The process of writing source code often requires expertise
Premium Programming language Source code Computer program
JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY ICS 2102 Introduction to Computer Programming ~ Course Outline Course Objective The students will understand the concepts of structured programming and learn how to write programs for problem solving using structured programming language (C). Learning Outcomes By the end of the unit‚ the student should be able to: a) b) c) d) e) f) To understand principles of good program design To understand the concept of a variable holding
Premium Programming language