1. Complete the crossword with words from the text

9-bilet

1. Complete the crossword with words from the text .

1.An ……………keyboard presents a graphic representation of a keyboard on the desktop screen and allows people with mobility impairments to type data using a joystick or a pointing device.

2.Visual …………allow deaf users to be notified of incoming mail or error messages without hearing a tone.

3. A Screen ………….makes the computer screen more readable for users with poor vision.

4.A system of reading and writing using raised dots, which enables blind people to read by touch.

5.Unlike a standard telephone , a……….has a small screen and a keyboard that transcribes a spoken voice as text . It is used for text communication via a telephone line, ideal for people who have hearing or speech difficulties.

6.A Brille……………is an impact printer that prints text as Braille, by punching dots onto paper.

7.A speech synthesizer is used in conjunction with a screen ………….to convert screen contents into spoken words.

2. Give a definition to the following terms - Quyidagi atamalarni ta'riflab bering

Display-

Monitor-

Plotter-

Braille-

Screen magnifier- USB flash drivеs -

U3 smart drives

Flash memory cards –

Flash cards reader- устройство

Hybrid -

3. Give a full description on the topic below - Quyidagi mavzu bo'yicha to'liq ta'rif bering

Spreadsheets and Databases

10-bilet

1.Complete these sentences

1.There are basically three types of magnetic ………………device available to the computer user- hard drives, diskettes and tapes.

2.The …………. Of a 3.5 ‘ floppy disk is only 1.44 MB.

3.Hard drives can………… hundreds of times more data than floppy disks.

4.A portable hard drive is a good choice for………. Storage.

5.Magnetic tapes are used for ………….. information that you no longer need to use regularly.

2. Give a definition to the following terms - Quyidagi atamalarni ta'riflab bering

Flash memory cards –

Flash cards reader-

Thermal transfer-

Imagesetter-

Platesetter- Liquid crystal display-

Cathode ray tube-

Flat panel-

Flat screen-

Laser-

3. Give a full description on the topic below - Quyidagi mavzu bo'yicha to'liq ta'rif bering

Dot-matrix printers and Inkjet printers

11-bilet

1. Match these words with the definitions.

Formatted, directory, read/ write head, head crash, back up.

1.A file system that defines the structure for keeping track of the files.

2.The part of a drive that reads and records data on a disk.

3.To make a copy of data or software in case the original disk is damaged.

4.Initialized when the tracks and sectors on magnetic disks are set.

5.A serious disk malfunction, when the read / write head touches the rotating disk.

2. Give a definition to the following terms - Quyidagi atamalarni ta'riflab bering

Resolution-

Pixel-

Aspect radio-

Screen size-

Video adapter- Video projector-

Plasma screen-

OLEDs-

Dot-matrix

Inkjet-

3. Give a full description on the topic below - Quyidagi mavzu bo'yicha to'liq ta'rif bering

Inside the system

12-bilet

1. Complete these extracts.

1.This device is………….enter information into the computer.

2…….it may also ………………function keys and editing keys……………also purposes.

3.This is a device ……………….the cursor and selecting items on the screen.

4.It usually ………………..two buttons and a wheel.

5………..the user ………….activate icons or select items and text.

6. It ……. Detecting light from the computer screen and is used by pointing it directly at the screen display.

7.It ………….the user ………….answer multiple – choice questions and………

2. Give a definition to the following terms - Quyidagi atamalarni ta'riflab bering

Tracks-

Transactions-

User interface

Graphical user interface GUI

Folders Program

Document

Windows

Linux

Windows Mobile

3. Give a full description on the topic below - Quyidagi mavzu bo'yicha to'liq ta'rif bering

Databases