Test yourself. Match the following key terms to the appropriate definition or application:

Match the following key terms to the appropriate definition or application:

A.

1. Input

2. Transcribed input

3. Direct source input

4. Keyboard

5. Function keys

6. Cursor movement key

7. Pointing device

8. Mouse

9. Touch technology

10. Electronic pen

11. Handwriting recognition

a. Keys labelled with the characters [Fl] through [F12].

b.Composing printed characters on an LCD screen.

c. Data that are captured by transcribing them from source documents onto another medium that is ca­pable of being input to a computer system.

d. The use of a device to encode or transform data into digital codes that a computer can process.

e. A device that combines the functions of a keyboard and pointing device.

f. Data that are captured directly from their source without a separate transcribing step.

g.Typing a lengthy word-processing document.

h. Generally interacting with a display screen.

i. Moving a cursor on the display screen.

j. Obtaining information from a kiosk.

k.Pointing and dragging on a display screen.

B.

12. Scanner

13. Magnetic-ink character recog­nition (MICR)

14. Bar code

15. Optical character recognition (OCR)

16. Compression

17. Sensor

18. Smart sensor

a. Marking a product so it can be tracked in an inventory-control application.

b.Generally examining an image and translating the image into digital images that are suitable for processing.

c. Monitoring blood sugar levels in a diabetic person.

d. Reading typewritten characters on paper.

e. Processing existing checks in the banking industry.

f. Generally encoding a physical event directly into data.

g.Compacting data for more efficient storage.

True/False:

21. The primary role of input is to activate or deactivate information processing.

22. Input technology is moving toward more transcribed input.

23. Transcribing data is a relatively error-free process.

24. A major drawback to using a keyboard is lack of speed.

25. Word wrap eliminates the need for cursor movement keys.

26. Touch screens rely on the use of a mouse as a pointing device.

27. Electronic pens use light waves to communicate with the display screen.

28. A pen or stylus can replace the function of both a keyboard and a mouse.

29. Bar codes are useful in inventory-control applica­tions.

30. The process of recognizing general human speech is called word recognition.

Multiple choice

31. One device that can eliminate the step of keying in data is called a (an)

a. Key-to-disk machine.

b. Optical scanner.

c. Keypunch machine.

d. Electronic cash register.

37. The single biggest cause of mis­takes in data input is

a. Point-of-sale terminals.

b. Keying in the data.

c. Source documents.

d. Human error.

38. A computer-controlled traffic signal uses

a. Sensing.

b. Scanning.

c. Thermostats.

d. Training.

39. Optical character-recognition (OCR) software can read

a. Magnetically encoded numbers.

b. Any combination of numbers or letters.

c. Bar codes in supermarkets.

d. Specially coded characters or patterns.

41. The most widely used input device is a

1. Mouse.
2. Keyboard.
3. Sensor.
4. Camera.

42. Mice are used to replace

a. Bar codes.

b. Touch screens.

c. Keyboards.

d. Cursor movement keys.

Дата добавления: 2015-01-03