A THOROUGH OVERVIEW OF INPUT AND OUTPUT DEVICES PRESENTED BY THE MEMBERS OF GROUP B COMPUTER SCIENCE DPT. INTRODUCTION • The I/O devices as parts of the components of an information processing system or a computer system are those devices which enables the computer system to communicate with the outside world. As we all know from the concept of communications in English language that communication is said to have being completed only when the encoder (sender) must have received a feedback from
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Chapter 9 Input/Output Devices Contents: I. Introduction II. Input Devices a. Keyboard‚mouse‚joystick‚scanners‚digital camera‚ bar code reader‚ touch Sreeen‚Speech input device (microphone) III. Output Devices a. Monitor ‚ Speaker‚ Printers ( different types) ----------------------------------------------------------------------------------------I. Introduction The computer will be of no use unless it is able to communicate with the outside world. Input/Output devices are required for users to
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1. Allegory (寓言)– The word derives from the Greek allegoria ( “speaking other-wise” ). It loosely describes any writing in verse or prose that has a double meaning. This fictional literary narrative acts as an extended metaphor in which persons‚ abstract ideas‚ or events represent not only themselves on the literal level‚ but also stand for something else on the symbolic level. An allegorical reading usually involves moral or spiritual concepts that may be more significant than the actual‚ literal
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Optical Storage Devices • An optical disk is a high-capacity storage medium. An optical drive uses reflected light to read data. • To store data‚ the disk’s metal surface is covered with tiny dents (pits) and flat spots (lands)‚ which cause light to be reflected differently. • When an optical drive shines light into a pit‚ the light cannot be reflected back. This represents a bit value of 0 (off). A land reflects light back to its source‚ Representing a bit value of 1 (on)
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Ms. Pedro English 101 October 15‚ 2014 Access Granted Biometric devices authenticate a person’s identity by verifying unique personal characteristics. These devices translate a biometric identifier‚ such as a fingerprint‚ into a code that is compared with a digital code stored in a computer. If the digital code in the computer matches the personal characteristics code‚ the computer grants access. Example of biometric devices include fingerprint readers and face recognition systems. A fingerprint
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Effects of Using Electronic Devices Chapter 1 Introduction The function of education is to teach one to think intensively and to think critically. Intelligence plus character - that is the goal of true education. Martin Luther King‚ Jr. We know that education is one of the most fundamental tools for progression. In contrast‚ we are allowing some students to use electronic devices that may intervene in the learning catch up of the students. Using an electronic device for activities unrelated
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Electronics for Education Imagine if electronic devices replaced books and papers. Imagine being able to have all of your school supplies at the tips of your fingers. Life would be so much easier for students‚ and even the teachers. Technological devices should replace traditional books and papers because it provides more resources‚ keeps everything organized‚ and make the students backpacks lighter. Electrical devices are better because they provide more resources. It gives more resources
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Computer Storage Devices Storage devices are used in order to store various items such as programs‚ data and instructions. Storage was used as early as 1804 by hole punching paper cards in order to control machinery. Without storage‚ the computer programs and files that exist now would not be possible. There are many different devices used for storage today such as hard drives‚ floppy drives and CD-Rom drives. Hard drives come in all computers and are the main storage device. An average hard drive
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Tyler Cartwright The Use of Cellular Devices 11/20/12 The use of cellular devices is slowly but surely taking over the minds of our people; particularly in American youths. Every person‚ young and old can be seen on their cellphones throughout his or her day. Cell phones cause distraction in people’s workplace‚ classroom‚ and domestic environments. This is due to the increasing competitive market of cell phones. Companies today are creating cell phones that are more than just call to call
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The Used Car ROLE INFORMATION FOR THE SELLER You have agreed to buy a new Subaru from a dealer. The down payment you will need to make on the new car is $9‚400‚ which lets you take out a loan with manageable (but steep) monthly payments. You are low on ready cash‚ so if you can’t come up with the down payment by selling your Volkswagen Jetta‚ you will have to borrow it at prime plus 5% interest. You are supposed to pick up the Subaru first thing tomorrow morning‚ so you want to sell the Jetta
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