Unit 4: Input Devices – Bài tập tiếng anh chuyên ngành

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I. Bài tập

4.2 Describing input devices

A. Read three computer technicians describing three input devices. Write which device he’s talking about.

  1. Keyboard
  2. Mouse
  3. Light pen

B . Look at the Help box below, read again and complete the following extracts

1. This device is ___used to____ enter information into the computer.
2. It may also__have____function keys and editing keys ___for____ special purposes.
3. This is a device _for controlling___the cursor and selecting items on the screen.
4. It usually _____features______two buttons and wheel.
5. The user__can___activate icons or select items and text.
6. It___works by___detecting light from the computer screen and it used by pointing it directly at the screen display.
7. It ___allows___the user___to______answer multiple-choice questions and…….

4.4 The keyboard

B.Match the descriptions (1-8) with the names of the key (a-h). Then find them on the keyboard

1.  A long key at the bottom of the keyboard. Each time it is pressed, it produces a blank space.

2 . It moves the cursor to the beginning of a new line. It is also used to confirm commands.

3. It works in combination with other keys. For example, you press this key and C to copy the select text.

4. It removes the character to the left of the cursor or any selected text.

5.  It produces UPPER CASE character.

6 . It produces UPPER CASE letters, but it does not affect numbers and symbols.

7 .  It moves the cursor horizontally to the right for a fixed number of spaces (in tabulations and data fields).

8. They are used to move the cursor, as an alternative to the mouse.

 a.   arrow keys

b.   return/enter

c.   Caps Lock

d.   shift

e.   tab

f.   space bar

g.   backspace

h.   Ctrl

 
1-f, 2-b, 3-h,  4-g, 5-d, 6-c, 7-e, 8-a

4.5. Mouse actions

MOUSE ACTIONS

A mouse allows you to (1)__control_____the cursor and move around the screen very quickly. Making the same movements with the arrow keys on the keyboard would take much longer. As you (2)__move___the mouse on your desk, the pointer usually looks like and I-bar, an arrow, or a pointing hand, depending on what you are doing.

A mouse has one or more buttons to communicate with computer. For example, if you want to place the insertion point or choose a menu option, you just (3)___click__(press and release) on the mouse button, and the option is chosen. The mouse is also used to (4)___select___ text and items on the screen. You can highlight text to be deleted, copied or edited in some way. The mouse is widely used in graphics and design. When you want to move an image, you position the pointer on the object you want to move, press the mouse button, and (5)__drag____ the image to a new location on the screen.

Similarly, the mouse is used to change the shape of a graphic object. For example, if you want to convert a square into a rectangle, you (6)__grab___one corner of the square and stretch it into a rectangle. The mouse is also used to start a program or open a document: you put the pointer on the file name and (7)___double-click__ on the name- that is, you rapidly press and release the mouse button twice.

                                                               Source: Infotech – English for computer users -Forth edition).

Practice

  main  banks  libraries  tests  computer
  generate  lives  quickly  graphics  barcode

Computers are part of our everyday(1)…lives… They have an effect on almost everything you do. When you buy groceries at a supermarket, a(2)…computer……is used with laser and (3)……barcode…… technology to scan the price of each item and present a total. Barcoding items (clothes, food and books) require a computer to(4)… generate…….the barcode labels and maintain the inventory.

Most televisions advertisements and many films use (5)… graphics…….. produced by a computer. In hospitals, beside terminals connected to the hospitals(6)…main…… computers allow doctors to type in orders for blood(7)…tests…….. and to schedule operations(8)…Banks.. use computers to look after their customers’ money. In(9)…libraries…… and bookshops, computers can help you find the book you want as(10)…qickly…….as possible.

(Source: Infotech – English for computer users -Second  edition).

II. Trắc nghiệm tiếng anh chuyên ngành Unit 4 có đáp án

1. What is the best definition of ‘mouse pointer’?
A. A special icon (normally an arrow) that indicates the current location of the mouse on the desktop screen.
B. To press the right-side mouse button
C. A hardware peripheral designed to ‘scan’ products into an inventory tracking system.
D. All the above

2. A pen shaped device which can sense light, and is used to point at spots on a video screen.
A. Mouse
B. Light pen
C. Joystick
D. Plotter

3. What is the best definition of ‘input device’?
A. A handheld input device for computers with one or more buttons and a rounded body meant to be slid around on a pad or flat surface.
B. An input device or mouse alternative using a sensitive rectangular surface and a stylus
C. A peripheral used primarily to enter data into a computer
D. An input device using a light-sensitive pen shaped handle which can be used to draw on the computer screen

4. What is the best definition of ‘speech recognition’?
A. The ability of a computer to convert spoken words from a user into usable data.
B. A handheld input device for computers with one or more buttons and a rounded body meant to be slid around on a pad or flat surface
C. An input device using a light-sensitive pen shaped handle which can be used to draw on the computer screen
D. A hardware device plugged into a computer’s sound card optimized for voice commands or other audio recording

5. Data is transferred from the internal memory to the arithmetic –logical unit along…………….. known as buses.
A. cables
B. roads
C. paths
D. channels

6. What is the best definition of ‘right-click’?
A. An input device using a light-sensitive pen shaped handle which can be used to draw on the computer screen
B. An input device or mouse alternative using a sensitive rectangular surface and a stylus
C. To press the right-side mouse button
D. An input device with a vertical rod mounted on a base used to control pointing devices or on-screen objects; normally with one or more buttons

7. Which device of computer operation dispenses with the use of the keyboard?
A. Mouse
B. Light pen
C. Joystick
D. Touch

8. The device that can both feed data into and accept data from a computer is..….
A. ALU
B. Input/Output device
C. CPU
D. All of the above

9. What is the best definition of ‘barcode reader’?
A. an input device using a light-sensitive pen shaped handle which can be used to draw on the computer screen
B. an input device with a vertical rod mounted on a base used to control pointing devices or on-screen objects; normally with one or more buttons
C. a hardware peripheral designed to ‘scan’ products into an inventory tracking system

10. What is the best definition of ‘microphone’?
A. to press the right-side mouse button
B. a display that also acts as an input device by allowing a user to navigate a program by touching specific locations of the screen
C. a hardware device plugged into a computer’s sound card optimized for voice commands or other audio recording.

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