Input devices There are many input formats which enable us to gather up and collect information‚ and enter data and instructions into the computer. Input devices can be manual or automatic. Manual input devices include: Keyboard - including concept keyboard. This is a flat board that contains a grid of buttons. Each button can be programmed to follow instructions. An overlay sheet is placed on the grid with an explanation for each button. They are used in primary schools with young children
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Are We Too Dependent on Computers? We have become too dependent on computers for answers‚ personal interactions‚ and we spend way too much time on them. If we used the computers for learning and as a tool this issue wouldn’t be as big. The sad truth is that people use this great tool for an easy way to get out of face to face interactions with other people. In 10-20 years it is said that there will be a computer smarter than the whole human race alive today. That is a scary future that we don’t
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Unit 119: IT Security For Users Outcome 1: Use appropriate methods to minimise security risks to IT systems and data 1 Identify security issues that may threaten system performance There are many threats that can affect system performance. These can come from many sources e.g. software downloads‚ floppy disks‚ CD’s‚ DVD’s‚ attachments and the internet. The threats are installed over the internet and are called spyware and adware. It is also possible for the threats to be transmitted through
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contributions to this growth are mobile devices. From your iPhones to your Galaxy tablets or iPads‚ these devices and many others affect us in a psychological context as well as technologically wise. According to Bos & Cuddy (2013) using our everyday mobile devices does not just affect our posture but also affects the way we behave or interact with our everyday duties . Nobel (2013) based on an experiment by Bos and Cuddy has also concluded that the way we use our devices will play a part in whether we became
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Uses of Computers in different Fields Our daily encounters with and dependence upon technology is almost invisible as it takes the shape of electronic climate control system‚ wireless communication systems such as phones and pagers‚ automatic tellers to dispense money. Magnetically striped cards to facilitate consumer transactions‚ cable and satellite television‚ auto mobiles and mass transit. Free trade agreements have led to globalization of commerce and scientific debate about global
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Education by Computers – a Better Way? This study examines the role of computers in education in order to show their importance in it and accordingly the reasons. The aim of the researcher is to show an irrefutable irreplaceability of computers in the educational industry‚ inclosing some notable facts and investigations. The researcher also provides some key advantages of the education by computers‚ comparing a traditional method of study with a study via computers. Computers are the future
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example of computers of the future. To control computer‚ to give him a mission‚ to tell what it should do – all that we will be able to do with the help of our brain. All computer needs are neurons and impulse accessed from the surface of the human body‚ or muscle impulses picked up by electrodes on the arm‚ hand‚ face or forehead generated by physical movement. So when our brain will be active‚ our neurons start to work harder‚ we can replace a folder on the desktop for example‚ computer will understand
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COMPUTER FUNDAMENTALS SECTION A PART ONE MULTIPLE CHOICES: 1. (b) Two types. 2. (b) 1 or more input signals to produce output. 3. (d) Both (a) and (c). 4. (b) Non-volatile. 5. (c) Direct-access storage device. 6. (c) Multiple object program files of any software. 7. (d) None of the above. 8. (b) way in which the network’s nodes are linked together. 9. (a) World wide web 10. (a) General purpose electronic equipment for homes. PART TWO 1. WRITE A SHORT NOTES ON “THE OSI MODEL”
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of science‚ amongst other things. We have been observing great scientific achievements since the dawn of the 20th century. But the invention which has brought about a revolutionary change in the world is computer. The history of computer science began long before the modern discipline of computer science that emerged in the 20th century‚ and hinted at in the centuries prior. The progression‚ from mechanical inventions and mathematical theories towards the modern concepts and machines‚ formed a major
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We are becoming increasingly dependent on computers. They are used in business‚ hospitals‚ crime detection and even to fly planes. What things will they be used for in the future? Is this dependence on computers a good thing or should we be more suspicious of their benefits? In the last two decades cybernetics have experienced a major breakthrough .This led to the utilization of computers in nearly all parts of our daily life‚ from personal computers to the ones performing complicated surgeries
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