PPT-Input Devices

Text Entry Devices keyboards QWERTY et al Ergonomics keyboards Pointing Devices Keyboards Most common text input device Allows rapid entry of text by experienced users Keypress closes connection causing a character code to be sent. Input Devices M M e e m m o o r r y y P P r r o o g g r r a a m m & & D D a a t t a a Output Devices D D S S P P P P r r o o c c e e s s s s o o r r i i n n t t e e r r f f a a c c e e i i n n t t e e Numerical . & . IT Literacy. Lecture 2: . Secondary Storage, Input and Output Devices. Dr. . Yingchao. ZHAO. Lecture Outcomes. After this lecture, you should be able to:. Describe the different types of . 1. . Introduction. 2. . Methods for I/O Operations. 3. . Buses. 4. . Liquid Crystal Displays. 5. . . Other Types of Displays. 6. . . Graphics Adapters. 7. . . Optical Discs. . 01/12/2017. 1. Input/Output. S3 Physics. Electronic components . Lesson 1 Learning Intentions. . At the end of lesson 1 you should be able to;. Revise energy change in electrical components.. Identify input and output components.. & . output. . units. G. . K.. Presentation. . C. omputer. is an electronic device which takes input and gives . outpu. t!. In. . computing. , . input/output. , or . I/O. , refers to the communication between an information processing system (such as a computer). Prof. . . Zoltan. . Francisc. . Baruch. Computer Science Department. Technical University of. Cluj-Napoca. IOSPD Discipline . Information (1). General objective. Knowledge of operation and performance parameters for I/O interfaces and peripheral devices. INPUT DEVICE. Input devices are used to enter data from outside world into primary storage & output devices supply the result of processing from primary storage to users.. Input device is any peripheral (piece of computer h/w equipment) used to provide data & control signals to an information processing system. Input/output devices make up the h/w interface between a computer .. Computer Literacy BASICS: A Comprehensive Guide to IC. 3. , 3. rd. Edition. Morrison / Wells. 2. 2. 2. Objectives. Identify and describe standard and specialized input devices.. Identify and describe standard and specialized output devices.. By Humphrey Kumwembe. OBJECTIVES. After completing this lesson, you should be able to:. Define input and differentiate among a program, command and user response.. Identify input device categories.. Define output and describe the types of output.. 3. , 5. th. Edition. Lesson 5. Computer Hardware. 1. Morrison / . Wells / Ruffolo. Objectives. Describe how a computer represents data.. Identify system components for input and output.. Define input devices and explain how to use them.. 3. , 5. th. Edition. Lesson 5. Computer Hardware. 1. Morrison / . Wells / Ruffolo. Objectives. Describe how a computer represents data.. Identify system components for input and output.. Define input devices and explain how to use them.. In computing, an . input device.  is any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or other information appliance.. Some hardware input devices include:. Keyboards. Mice. Pointing devices. Scanning devices. Image capturing devices . Audio-input devices. Keyboards. Traditional . keyboards. Laptop keyboards. Thumb keyboards. What are Input Devices?. An . input device.  is any hardware device that sends data to a computer, allowing you to interact with and control it. The picture shows a Logitech trackball mouse, which is an example of an input device..