Femtech Information Technology

Computer Ethics for JSS 2 Definition of Computer Ethics Ethics is a set of moral principles that govern the behavior of a group or individual. Computer ethics can be defined as the set of moral principles that regulate the use of computers. Responsible use of Computer and Internet The following are the basic security measures taken to prevent damage to computer system. 1. There must be adequate ventilation. 2. Adequate space must be allowed between each system unit. 3. Avoid dust by using cover. 4. Avoid moisture. 5. Provision of air conditioners and fans or other cooling machines. 6. Provision of UPS (Uninterruptible Power Supply) and other electrical appliances to avoid loss of information and electrical damage to the system. 7. Adequate care must be taken to storage devices like diskettes, flash drive, CD/DVD writer drive, etc. 8. Disallow an unauthorized user from having access to your computer. 9. Ensure maximum security to files and information on the computer. 10. Provide comput

Information Transmission Definition of Information Transmission Information Transmission is the process of sending out processed data from one person or place to another in a meaningful form through a communication medium. Human beings have been transmitting information since ancient times thus there are both ancient and modern means of transmitting information. Ancient Methods of Transmitting Information These are the methods used by our forefathers. They include the following: a. Oral (Face to Face) Communication This is a method whereby the sender (informant) meets with the receiver (recipient) face to face in order to pass information across. b. Beating Drums Drum beating is another way of transmitting information from the sender to the receiver. Drums are used to inform the Villagers of certain invents such as hunting, farming, death announcement e.t.c. Every event has its unique tune that the villagers can understand. c. Smoke Signals This method is used to pass information by b

APPLICATION OF ICT IN EVERY DAY LIFE Meaning of ICT ICT is an acronym that stands for Information and Communication Technology. ICT refers to technologies that provide access to information through telecommunications. Information and Communication Technology deals with the use of diverse technological tools and resources to convert, store, protect, process, transmit and retrieve information. It comprises of computers, networks, satellite communications, robots, videotext, cable television, electronic mail, electronic games and automated office equipment. Uses of ICT The three main uses of ICT include the following: 1. Communication Information can be transmitted from one place to the other with the use of ICT. For example sending and receiving e-mail messages, making phone calls, audio and video conferencing, sending and receiving fax messages, chatting and instant messages etc. 2. Information Processing and Management It can be used in storing, retrieving and manipulating data and in

Historical Development of Computer Introduction We are living in the computer age. Most of our day to day jobs are being influenced by the use of computers. It is used increasingly in each and every field of our life. In the areas of science and technology improvements cannot be achieved without theories use of computers. Hence it has become necessary to have basic knowledge about computers. Strictly speaking, computer is a calculating device having certain important characteristics like speed, storage capacity, accuracy etc. But, nowadays it is used for many more applications other than computing. History of Computer The historical development of computer is divided in to several stages. These are: 1. Early Counting Devices 2. Mechanical Counting Devices 3. Electro-mechanical Counting Devices 4. Electronic Counting Devices A. Early Counting Devices Long ago, people used different and easily available and affordable counting methods such as fingers, toes, stones, sticks, pebbles, cowr

Computer Ethics JSS One Definition of Computer Ethics Ethics is a set of moral principles that govern the behaviour of a group or individual. Computer ethics is a set of moral principles that regulate the use of computers. Computer Room Management Ethics A computer room must be managed properly. Unlike our homes we need to keep a computer room in a good condition always by: 1. Making it free of dust: we should endeavor to dust our computers every day after sweeping the room. After sometime, a computer engineer should use a blower to blow off dust from within the computer. 2. Maintaining appropriate lighting: a computer room must not be dark while computers are being used. Steady flow of electricity and a device called uninterruptible power supply (UPS) should be used. A UPS is a device used to store electricity for the computer in case of power failure. 3. Maintaining adequate and appropriate ventilation. A cooling system is very necessary all the time for our computers. Fans and air

DATA PROCESSING FOR JSS1 Definition of Data Data are raw facts. They are figures, words and symbols that have not been processed or put into meaningful form. Data can be referred to as raw material from which information is produced. Data is the plural of datum. Types of Data 1. Numeric data : Data consisting of digits and not letters of alphabets or special character. E.g. 0 – 9 2. Alphabetic data : Data consisting of letters and not digits or special characters. A-Z and a-z 3. Alpha-numeric data: Data consisting of digits, alphabets as well special characters. Ussm12, #,!,? 07/01/2019, etc. Definition of Information Information is processed data. Information is the result of processing, manipulating and organizing data in a way that adds to the knowledge of the person receiving it. Data can be processed physically by human beings, example calculation such as addition, division, etc to give it more meaning. Data can also be processed using machines like calculators, c