Definition of computer and parts of computer. 4th Week: Data and information 5th Week: Input devices & Output devices. 6th Week: Classification and uses of computer. 7th Week: Mid – Term Test. 8th Week: Revision of terms work 9th Week: Computer peripherals‚. 10-11th Week: Revision. 12-13th Week: Examination. COMPUTER SCIENCE SECOND TERM SCHEME OF WORK (JSS 1) 1ST Week Revision of first term work 2nd Week Computer parts. Hardware
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Computer Systems A Programmer’s Perspective This page intentionally left blank Computer Systems A Programmer’s Perspective Randal E. Bryant Carnegie Mellon University David R. O’Hallaron Carnegie Mellon University and Intel Labs Prentice Hall Boston Columbus Indianapolis New York San Francisco Upper Saddle River Amsterdam Cape Town Dubai London Madrid Milan Munich Paris Montreal Toronto Delhi Mexico City Sao Paulo Sydney Hong Kong Seoul Singapore Taipei Tokyo Editorial Director:
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2 Fundamentals of Computer Systems You need to be able to: (a) define a computer system (b) describe the importance of computer systems in the modern world (c) explain the need for reliability in computer systems (d) explain the need for adherence to suitable professional standards in the development‚ use and maintenance of computer systems (e) explain the importance of ethical‚ environmental and legal considerations when creating computer systems. What is a computer system? At its very basic
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Brief History of Computers (A Look Back at Computing) Computers have become one of the most important parts of modern society. Nearly everything that is modern required or uses computer related technology in some way. But how did computers as we know them come to exist? Did someone sitting in his lab just one day say‚ "Aha! I’ve got it! The computer?! Well‚ no‚ that is not how this happened. Rather‚ many years of brilliant ideas and research from many different individuals contributed
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Approved Solutions - Complete end of chapter Review Questions 3.1‚ 3.2‚ 3.3‚ 3.4‚ 3.5‚ and Problem 3.3‚ 3.4 in the text. 3.1 Processor-memory: Data may be transferred from processor to memory or from memory to processor. Processor-I/O: Data may be transferred to or from a peripheral device by transferring between the processor and an I/O module. Data processing: The processor may perform some arithmetic or logic operation on data. Control: An instruction may specify that the sequence of execution be
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HISTORY OF COMPUTERS Historical records will tell us that man has invented three types of devices to assist him in calculating and processing data. These devices could be classified into: a) Manual-mechanical b) Electromechanical c) Electronic 2000 BC - MECHANICAL COMPUTER THE ABACUS * Computations are done by sliding beads on a wire arranged on a tray. Came from the Greek word abax meaning flat surface John Napier(1617) – Logs and Bones * a Scotsman‚ invented
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Introduction For my term paper the field I chose was computers. I chose this field because I love computers and it s a field on the rise. When doing my research about computers‚ I tried to stay focused on a few different types of fields. I did this because I thought that doing every different type of field would not help me chose the right field for me. Computers is such a big field that it was almost no problem picking a couple of computer fields to talk about in my term paper. Preparation
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A computer is an electronic device that can receive a set of instructions or program and the carry out this program by performing calculations on numerical data or by compiling and correlating other forms of information. ("Computer" Encarta). It also performs calculations and processes information with astonishing speed and precision. Computer Technology has improved our lives. It will continue to affect our future which will lead to an easier‚ less complicated lifestyle‚ with more job opportunities
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HISTORY OF COMPUTER THE PRE-MECHANICAL AGE: 3000 B.C. – 1450 A.D. 1. Writing and Alphabets – Communication First development of signs corresponding to spoken sounds‚ instead of pictures‚ to express words. Around 2000 B.C.‚ Phoenicians created symbols that expressed single syllables and consonants (the first true alphabet) The Greeks later adopted the Phoenician alphabet and added vowels; the Romans gave the letters Latin names to create the alphabet we use today. 2. Paper
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Computer Science Quiz Questions With Answers - Multiple Choice 1- IC chips used in computers are usually made of 1. Lead 2. Silicon 3. Chromium 4. Gold Answer: Silicon 2- One kilobyte is equal to 1. 1000 bytes 2. 1024 bytes 3. 100 bytes 4. 1023 bytes Answer: 1024 3- Which of the following is not an example of Operating System? 1. Windows 98 2. BSD Unix 3. Microsoft Office XP 4. Red Hat Linux Answer: Microsoft Office XP 4- Which supercomputer is developed by
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