Unit II. Computer systems lesson Theme: Living with computers



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APPENDIX 2. GLOSSARY.
Read and learn for yourself

  1. Mainframe or big iron is a computer used by big organizations

  2. A desktop PC is a personal computer designed for regular use on or near the desk/table due to its size and power requirements

  3. A laptop is a small, portable PC with a ‘clamshell’ form factor. Typically a thin LCD or LED computer screen mounted on the inside of the upper lid and an alphanumeric keyboard on the inside of the lower lid

  4. A touchpad/ trackpad/ glide pad is the best alternative to a computer mouse. It is attached on the laptop and is controlled by user’s fingers.

  5. USB (universal serial bus) is used for transferring data to and from digital devices as well data storage.

  6. Battery pack is a rechargeable battery used in portable computers.

  7. PDA (personal digital assistant) is a computer that fits in the palm of your hand to help collect such information as contacts, appointments, files and programs.

  8. Hand-held device is a piece of computer equipment that can be used in the hand, such as smartphones, tablet computers.

  9. Palmtops are very small computers that can be hand-held and carried in the pocket


Lesson vocabulary

Word in English

Word in Russian

Word in Uzbek

Multiple user

Несколько пользователей

Bir nechta foydalanuvchi

Support

Поддерживать

Qo’llab-quvvatlamoq

Simultaneous process

Одновременный процесс

Bir vaqtning o’zidagi jarayon

Large-scale computing

Крупно-масштабные вычисления

Kata hajmdagi xisoblash

Workstation

Рабочее место

Ish joy

Vertical case

Вертикальный корпус

Vertical korpus

Tower

Башня

Minora

Lightweight

Легкий

Engil

Sharp image

Четкое изображение

Tinik tasvir

TFT (Thin Film Transistor)

Тонкопленочный транзистор

Yupqa plyonlkali tranzistor

Touchpad

Сенсорная панель

Sensorli panel

Connectivity

соединение

Ulanish

Battery pack

Аккумуляторная батарея

Akumulyator batareyasi

Tablet

Планшет

Planshet

Fold

С

Taklash

Rotate

Повернуть

Aylantirmoq/burish

Convert into

Конвертировать

… ga aylantirish

Hand writing recognition

Распознование рукописного ввода

Qo’l yozuvini aniqlash

Stylus

Стилус

Qalam

Wearable computer

Портабельный компьютер

Qo’l kompyuter

Characters

символы

Belgilar


Appendix 3. Video
Watch a video. Make notes about computer types and their use.

Supercomputers


Mainframes


Mini computers


Desktop computers


Laptop


Tablets


Smartphones



Answer the questions from the video

  1. Give any 2 examples of microcomputers. _________________________________________

  2. Which computer is called mid range computer?____________________________________

  3. Which is the fastest computer?__________________________________________________

  4. Name the computer with one microprocessor.______________________________________

  5. What is the other name for mainframe computer?___________________________________



APPENDIX 4. LANGUAGE.
H AVE GOT VS HAVE

Put proper form of the verb to have


  1. We _____ got the best software

  2. She _____ seven games.

  3. Do you _________ the fastest processor.

  4. They _______ the most efficient processors by the end of this year.

  5. When a child I _____ the computer with the largest screen in the class.

  6. Magic Extreme ________ the fastest processing of images.

  7. ______they have their order by 7 in the evening?

  8. The computer _________ the most reliable anti-virus software, if you install this one.

APPENDIX 5. READING.

Read the text and do the exercises given

From mainframes to wearable computers

A mainframe is the most powerful type of computer. It can process and store large amounts of data. It supports multiple users at the same time and can support more simultaneous processes than a PC. The central system is a large server connected to hundreds of terminals over a network. Mainframes are used for large-scale computing purposes in banks, big companies and universities.


A desktop PC has its own processing unit (or CPU), monitor and keyboard. It is used as a personal computer in the home or as a workstation for group work. Typical examples are the IBM PC and the Apple Macintosh. It’s designed to be placed on your desk. Some models have a vertical case called a tower.
A laptop (also called a notebook PC) is a lightweight computer that you can transport easily. It can work as fast as a desktop PC, with similar processors, memory capacity, and disk drives, but it is portable and has a smaller screen. Modern notebooks have a TFT (Thin Film Transistor) screen that produces very sharp images.
Instead of a mouse, they have a touchpad built into the keyboard – a sensitive pad that you can touch to move the pointer on the screen.
They offer a lot of connectivity options: USB (Universal Serial Bus) ports for connecting peripherals. Slots for memory cards, etc.
They come with battery packs, which let you use the computer when there are no electrical outlets available.
A tablet PC looks like a book, with an LCD screen on which you can write using a special digital pen. You can fold and rotate the screen 180 degrees. Your handwriting can be recognized and converted into editable text. You can also type at the detached keyboard or use voice recognition. It’s mobile and versatile.
A personal digital assistant or PDA is a tiny computer which can be held in one hand. The term PDA refers to a wide variety of hand-held devices, palmtops and pocket PCs.
For input, you type at a small keyboard or use a stylus - a special pen used with a touch screen to select items, draw pictures, etc. Some models incorporate handwriting recognition, which enables a PDA to recognize characters written by hand. Some PDAs recognize spoken words by using voice recognition software.
They can be used as mobile phones or as personal organizers for storing notes, reminders and addresses. They also let you access the Internet via wireless technology, without cables.
A wearable computer runs on batteries and is worn on the user’s body, e.g. on a belt, backpack or vest; it is designed for mobile or hands-free operation. Some others are voice-activated and can access email or voice mail.



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