JSS1 Computer Studies Evaluation Questions

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Computer Laboratory Rules and Regulations

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<h1><strong>COMPUTER LABORATORY RULES AND REGULATIONS</strong></h1> CONTENT <ol> <li>Rules and Regulations of the Computer Laboratory</li> </ol>   <h2><strong>Rules and Regulations of the Computer Laboratory</strong></h2> The following are the rules and regulations of the computer laboratory: <ol> <li>Computer room should be kept tidy always by regular cleaning</li> <li>Do not remove or load any software into the computer</li> <li>The security should be very tight to prevent stealing of the equipment.</li>

ICT Application in Everyday Life

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<h1><strong>ICT APPLICATION IN EVERYDAY LIFE</strong></h1> CONTENT <ol> <li>Meaning of ICT</li> <li>Uses of ICT in Communication</li> <li>Uses of ICT in Timing and Control</li> <li>Uses of ICT in Information Processing/Management</li> </ol> <br> <h2><strong>Meaning of ICT</strong></h2> ICT is an acronym which stands for <strong>I</strong>nformation and <strong>C</strong>ommunication <strong>T</strong>echnology. It can be described as a diverse set of technological tools and resources used to communicate and to create, disseminate, store and manage information. These technologies include; (i) Computer (ii) Internet (iii) Broadcasting technologies (radio and television) (iv) Telephone <br> <h2><strong>Uses of ICT in Communication</strong></h2>

ICT and Society

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<h1><strong>ICT AND SOCIETY </strong></h1> CONTENT <ol> <li>Introduction</li> <li>ICT in the Education Industry</li> <li>ICT in the Banking Industry</li> <li>ICT in the Medical Sciences</li> <li>ICT in Government</li> <li>ICT in Law</li> <li>ICT in Airlines</li> </ol> <br> <h2><strong>Introduction</strong></h2> Many of us go through our daily routine without noticing how many times we come into contact with computers. Computer technology has become such a part of our daily lives that if it were taken away we would lead radically different lives. Information communication technology involves the use of modern communication channels to convey information. <strong>The Global System Mobile – telecommunication (GSM), Facsimile (Fax), computers, television, satellite, communication, cellular networks, internet </strong>are among the gadgets used for this. <br> <h2><strong>ICT in the Education Industry</strong></h2> ICT has really widened the scope of education. Computers are used to aid student learning through Computer Aided Instruction (CAI) and Computer Assisted Learning (CAL). CAI takes the form of:

Introduction to Information Transmission

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<h1><strong>I</strong><strong>NFORMATION TRANSMISSION</strong></h1> CONTENT <ol> <li>Definition of Information</li> <li>Definition of Transmission</li> <li>Definition of Information Transmission</li> <li>Methods of Transmission of Information</li> <li>Modes of Information Transmission</li> </ol> <br> <h2><strong>Definition of Information</strong></h2> This is data already processed into a meaningful form for decision making. Information conveys meaning and is useful to one or more people. <br> <h2><strong>Definition of Transmission</strong></h2> This is the process of transferring something from one location to another location, from one person to another person or from one device to another device. <br> <h2><strong>Definition of Information Transmission</strong></h2>

Ancient Methods of Transmitting Information

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<h1><strong>ANCIENT METHODS OF TRANSMITTING INFORMATION</strong></h1> CONTENT <ol> <li>Oral Method</li> <li>Drum Beating</li> <li>Fire Lighting</li> <li>Town Crying</li> <li>Whistling</li> <li>Drawing Diagrams</li> <li>Making Representations</li> </ol> <br> <h2><strong>Oral method</strong></h2> This is one of the oldest methods of transmitting information. It is the era of our great grandfathers when information was sent to people only through the use of the mouth. <img class="size-full wp-image-37278 aligncenter" src="https://classhall.com/wp-content/uploads/2018/06/information-transmission-oral-method.jpg" alt="Ancient Methods of Transmitting Information - Oral method" width="236" height="255" /> <h2><strong>Drum beating</strong></h2> Beating the drums was a simple method of information transmission across distances. Explorers, fearfully making their way through a jungle, would hear the drums pick up tempo and volume and that would tell them that they were in enemy territory. However, far from being a source of terror, the drums in the jungles of Africa and Asia were more equivalent of local news.

Modern Methods of Transmitting Information

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<h1><strong>MODERN METHODS OF TRANSMITTING INFORMATION</strong></h1> CONTENT <ol> <li>Introduction</li> <li>Printing</li> <li>Telephone</li> <li>Global Systems for Mobile communication (GSM)</li> <li>Telex</li> <li>Radio</li> <li>Television</li> <li>Facsimile (Fax)</li> <li>Satellite</li> <li>Internet</li> </ol>   <h2><strong>Introduction</strong></h2> With modern inventions in communication, many ancient methods have been replaced with more efficient modern ways of transmitting information. These include the following: <ol> <li>Printing</li> <li>Telephone</li> <li>Global Systems for Mobile communication (GSM)</li> <li>Telex</li> <li>Radio</li> <li>Television</li> <li>Facsimile (Fax)</li> <li>Satellite</li> <li>Internet, etc.</li> </ol> <h2><strong>Printing</strong></h2> Information transmission by printing involves the production of information on paper using typewriter or others printing device/machine. <img class="size-full wp-image-37285 aligncenter" src="https://classhall.com/wp-content/uploads/2018/06/modern-methods-of-transmitting-information-printing.jpg" alt="Modern Methods of Transmitting Information - Printing" width="463" height="246" />

Importance of the Computer as a Tool for Data Processing

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<h1><strong>IMPORTANCE OF THE COMPUTER AS A TOOL FOR DATA PROCESSING</strong></h1> CONTENT <ol> <li>The Importance of the Computer as a Tool for Data Processing</li> </ol>   <h2><strong>The Importance of the Computer as a Tool for Data Processing</strong></h2> The computer is a very unique electronic device and has certain features and characteristics that distinguish it from other machines. These include: 1.<strong> Speed:</strong> Computers are very fast; they can perform tens of millions of operations per second. This is necessary for predicting weather forecasts, performing scientific research and even producing thousands of bills for utility companies. 2.<strong> Accuracy:</strong> Computers are very accurate. Errors only occur if there is an error in hardware, software or data. When errors occur it is usually because of some human error, since computers can only do what they are programmed to do. 3.<strong> Storing large amounts of information in a small space:</strong> There are many storage media that can be used to store large volumes of data and information. For example, a single CD-ROM disk can save the equivalent of a shelf of books in the library.

Health Concerns of Computer Use

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<h1><strong>HEALTH CONCERNS OF COMPUTER USE</strong></h1> CONTENT <ol> <li>Introduction</li> <li>Repetitive Strain Injury (RSI)</li> <li>Computer Vision Syndrome (CVS)</li> </ol>   <h2><strong>Introduction</strong></h2> Users are a key component in any information system. Therefore, protecting users is just as important as protecting hardware, software and data. The widespread use of computers have led to some important health concerns which are; <br> <h2><strong>Repetitive Strain Injury (RSI)</strong></h2>

Historical Development of Computers: Early Counting Devices

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<h1><strong>HISTORICAL DEVELOPMENT OF COMPUTERS: EARLY COUNTING DEVICES</strong></h1> CONTENT <ol> <li>Definition and Examples of Early Counting Devices</li> <li>Limitations to the Early Counting Devices</li> </ol>   <h2><strong>Definition and Examples of Early Counting Devices </strong></h2> Early counting devices are devices that were used in the early days to perform arithmetic operations such as addition of numbers, subtraction and multiplication. These devices were used for the usual barter trade of the early days. Examples of early counting devices are fingers, toes, stones, sticks, pebbles, cowries among others. The history and development of computer can be traced back to the studies of Mathematics which started with counting. The history of Mathematics is the history of civilization. These has led to various computing inventions in search for a tool that could enable man meet his computational and data processing needs until we have the computer today. It was in the process of finding solutions to the problem of counting that early counting devices emerged. Examples of fingers and toes method of calculation are seen below;

Mechanical Counting and Calculating Devices

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<h1><strong>MECHANICAL COUNTING AND CALCULATING DEVICES</strong></h1> CONTENT <ol> <li>Mechanical Counting and Calculating Devices</li> </ol>   <h2><strong>Mechanical Counting and Calculating Devices</strong></h2> As a result of the disadvantages of the early counting devices, more advanced mechanical counting and calculating devices were invented. Some of these devices are; <ol> <li>Abacus (Chinese)</li> <li>Napier’s Bone (John Napier)</li> <li>Slide Rule (William Oughtred)</li> </ol>   <h3><strong>THE ABACUS </strong></h3> The Abacus is made up of beads threaded on iron rods. The iron rods are fixed to a rectangular wooden frame. It is used for addition and subtraction only. It could not carry out complex mathematics. The Abacus was early used for arithmetic tasks, it was developed in China about 5000 years ago. It was successful that its use spread from china to many other countries. <img class="size-full wp-image-15138 aligncenter" src="https://classhall.com/wp-content/uploads/2017/07/computing-devices-the-abacus.jpg" alt="historical development of computers - Early counting and calculating devices - Abacus" width="452" height="166" />

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