1 TASK .
C omplete these sentences using the collocations studied during the lesson.
1.Thanks to Wi-Fi, it’s now easy to……access the Internet…………….from cafes, hotels, parks, and many other public places.
2. Online banking lets you………do calculations………………between your accounts easily and securely.
3. Skype is a technology that enables users to………enroll online…………over the Internet for free.
4. In many universities, students are encouraged to ………prepare presentation………..using PowerPoint in order to make their talks more visually attractive.
5. The Web has revolutionized the way people ……store information…………-with sites such as Google and Wikipedia, you can find the information you need in seconds.
6. Cookies allow a website to……keep record at stocks………on a user’s machine and later retrieve it; when you visit the website again, it remembers your preferences.
7. With the latest mobile phones, you can……do research…………with multimedia attachments – pictures, audio, even video.
2 TASK Write about computer parts functions.
Peripherals- used to enter information and instructions into a computer for storage or processing and to deliver the processed data to a human operator
Front USB and Audio connectors- Front Panel Connectors serve the primary function of connecting the PC Case's Power Switch, Reset Switch and LED indicators to the motherboard. Front Panel Connectors consist of small pins that serve a specific electrical purpose.
Heat sink Assembly- In computers, heat sinks are used to cool CPUs, GPUs, and some chipsets and RAM modules. A heat sink is designed to maximize its surface area in contact with the cooling medium surrounding it, such as the air.
Mother board- The motherboard is the backbone that ties the computer's components together at one spot and allows them to talk to each other. Without it, none of the computer pieces, such as the CPU, GPU, or hard drive, could interact.
CPU-The computer's central processing unit (CPU) is the portion of a computer that retrieves and executes instructions. The CPU is essentially the brain of a CAD system. It consists of an arithmetic and logic unit (ALU), a control unit, and various registers. The CPU is often simply referred to as the processor.
Router- A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet. Data sent through the internet, such as a web page or email, is in the form of data packets.
Modem- A modem modulates and demodulates electrical signals sent through phone lines, coaxial cables, or other types of wiring; in other words, it transforms digital information from your computer into analog signals that can transmit over wires, and it can translate incoming analog signals back into digital data
RAM- Computer random access memory (RAM) is one of the most important components in determining your system's performance. RAM gives applications a place to store and access data on a short-term basis. It stores the information your computer is actively using so that it can be accessed quickly.
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