1. What two types are input devices divided into?
2. What input devices are considered to be cursor control input devices?
3. What optical input devices do you know?
4. A digital camera takes pictures of an object, doesn’t it?
5. What is a joystick particularly good for?
6. What is a barcode reader used for?
Match each word from column A (1-30) with its partner from column B (a-dd) to make a computing term definition from Basic English for Computing Units 5-6
| A
| B
|
| 1 system analysis
| a) A list of options displayed on a computer screen
|
| 2 binary
| b) to put data into a system
|
| 3 touchpad
| c) an input device for taking pictures that has an electronic lens and uses electronics for storing the images rather than chemical film
|
| 4 analogue-to-digital converter
| d) a cursor control input device with an upright arm. It is commonly used for controlling fast moving objects in computer games.
|
| 5 webpage
| e) an electronic semiconductor camera device
|
| 6 charge-coupled device
| f) a cursor control input device that senses the movement of a finger across a flat surface
|
| 7 LCD(liquid crystal display)
| g) beloning to the number system that has only two digits, i.e.1 and 0
|
| 8 package
| h) an electronic card that converts analogue sound signals into binary code to enable the computer to identify spoken words
|
| 9 programmer
| i) an input device consisting of a flat, pressure-sensitive pad that the user draws on or points at with a special stylus, to guide a pointer displayed on the screen
|
| 10 download
| j) an optical input device that uses the reflection of light to copy text or graphics into a computer
|
| 11 solid state memory
| k) the study or use of systems (esp. computers and telecommunications) for storing, retrieving, and sending information
|
| 12 optical character recognition
| l) a cursor control input device that has a ball on top that is moved by the user’s fingers
|
| 13 graphics tablet
| m) an input device used for sound
|
| 14 Information technology
| n) The electronic circuit board inside a computer that is used to connect the computer to a network
|
| 15 joystick
| o) A piece of equipment used for entering data or controlling a computer
|
| 16 scanner
| p) a display device that allows a user to interact with a computer by touching areas on the screen
|
| 17 touchscreen
| q) a process that enables the computer to scan and recognize printed characters using the reflection of light
|
| 18 trackerball
| r) to copy a file from a server to a client computer in a network
|
| 19 microphone
| s) electronic memory made from electronic chips
|
| 20 digital camera
| t) a combination of a number of computers and peripheral devices connected together
|
| 21 input device
| u) the programs and data used in a computer
|
| 22 export
| v) a multipurpose methodology providing analysis of complex problems as well as their alternatives. Primarily it was created for solving military missions
|
| 23 input
| w) a device for changing analogue signals into digital signals
|
| 24 database
| x) a hyperlinked page in a web network system
|
| 25 menu
| y) an electronic display device that uses liquid crystal cells to control the reflection of light
|
| 26 MSDOS
| z) to bring data out of a program in a form suitable for use by another program
|
| 27 network
| aa) an application program or collection of programs that can be used in different ways
|
| 28 NIC (network interface card)
| bb) a person who writes computer programs
|
| 29 software
| cc) a type of application program used for storing information so that it can be easily searched and stored
|
| 30 speech recognition board
| dd) trademark, abbreviation for Microsoft disk operating system
|
