Explain the hardware‚ software and peripheral components of a computer system and the functional relation between these components. Fig: functions of the operating systems (1) 1- Hardware Hardware consists of physical equipment of the computer. We distinguish equipment within the Case such as: Power supply: it is the equipment that receives electricity from a DC current and converts it to a alternative current AC for the needs of the computer. The power supply may depends on the motherboard
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Today’s Computers‚ Intelligent Machines and Our Future Hans Moravec Stanford University July 21‚ 1976 this version 1978 Introduction: The unprecedented opportunities for experiments in complexity presented by the first modern computers in the late 1940’s raised hopes in early computer scientists (eg. John von Neumann and Alan Turing) that the ability to think‚ our greatest asset in our dealings with the world‚ might soon be understood well enough to be duplicated. Success in such
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Computers in accounting Uses and advantages and disadvantages of computers in accounting Traditionally accounts were kept by the means of handwritten record. Computers have only begun to be used in some of the functions of accounting over the last fifteen years or so. As computers became cheaper‚ easier to use‚ and more powerful‚ more firms have decided to computerise their own accounting records. However‚ some firms‚ (albeit a declining number) still prefer to use handwritten accountings. This
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Computer Organization & Architecture Lecture #12 Organization and Architecture Computer Architecture Those attributes of the system that are visible to a programmer. Those attributes that have a direct impact on the execution of a program. • • • • Instruction sets Data representation – number of bits used to represent data Input/Output mechanisms Memory addressing techniques Computer Organization The operational units and their interconnections that realize the architectural specifications. Those
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Selected objective question on Introduction to Computers with answer :Set 4 1. How many input lines are needed to construct 1024 bit coincident core plane? (a) 8 (b) 16 (c) 32 (d) 64 (e) None of the above. ANS: d 2. A digital computer is based on the principle of (a) measurement 1 / 23 Selected objective question on Introduction to Computers with answer :Set 4 (b) logic (c) multiplication (d) counting ANS: d 3. How many types of storage loops exist
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assemble his computer . I`m thinking about that because I never handled and never try to assemble a computer but again I try.. that moment I finish to assemble the computer . After the day I realist to what I want in my future that is a computer programmer that is the thing that I also to encounter my fear. That give me a moment to find myself but if it`s difficult to be a programmer One day my mother told me to go to my aunt house. That day my aunt told me to assemble his computer . I`m thinking
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Function of digital computer A typical digital computer system has four basic functional elements: (1) input-output equipment. (2) main memory. (3) control unit. (4) arithmetic-logic unit. Any of a number of devices is used to enter data and program instructions into a computer and to gain access to the results of the processing operation. Common input devices include keyboards and optical scanners; output devices include printers and cathode-ray tube and liquid-crystal display monitors
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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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HISTORY OF THE COMPUTER ARTICLE WRITTEN BY: ADEBOWALE ONIFADE ELECTRICAL ELECTRONIC ENGINEERING DEPARTMENT UNIVERSITY OF IBADAN NIGERIA REGION 8 HISTORY OF THE COMPUTER ABSTRACT This paper takes a keen look at the history of computer technology with a view to encouraging computer or electrical electronic engineering students to embrace and learn the history of their profession and its technologies. Reedy (1984) quoted Aldous Huxley thus: “that men do not learn very much from the
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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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