2. ICT Tools
Q. 1 Fill in the blanks
a) Internet is the information super highway
b) Internet now uses digital communication techniques
c) Smart Tvs are recently available visual display units.
d) Tablet computer is the cheapest type of a computer
Q.2 Answer the following.
1. Write uses of Internet.
Ans. Internet is a global collection of information on thousands of computers connected by wide area networks and information super highways . It has penetrated our professional and personal lives and bring the world to our fingertips.
The most widely used service available on Internet is the email. Other uses of the Internet are visiting libraries to access books in any subject, watching live TV news and other programmes. Training on line communities, chatting, shopping, booking and bill payments. Railway reservation hotel air line booking can also be done through the Internet.
2. Specify types of televisions available.
Ans. TV set have progressed from monochrome (Black and white) to colour. Different types of colour TV monitors are CRT (Cathode Ray Tube), Plasma, TFT LCD ( Thin Film Transistor Liquid Crystal Display) and LED ( Light Emitting Diodes).
3.Find out difference between laptop an desktop.
Laptop computer
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Desktop computer
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1. A Laptop computer Occupies less desk space
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1. A desktop computer is bulky, occupies large desk space.
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2. Its central processing unit, input devices, storage devices and monitor form one compact unit
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2. Its input devices and monitor are connected as peripheral devices to the central processing unit.
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3. Its microprocessor has a lower speed.
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3. It can have a microprocessor of the highest speed.
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4. Its memory cannot be increased or up graded.
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4. Its memory can be easily increased and upgraded.
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4. Find out difference between laptop and tablet PC.
Laptop computer
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Tablet computer
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1. A laptop computer is usually placed on the lap.
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1 A tablet computer is small enough to be held in hand while working.
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2. It has an LCD monitor with or with out touchscreen capability.
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2. It has a touch screen visual display.
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3. Onscreen pointer is controlled by a touch pad and text is typed using a keyboard.
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3. Text is typed using the onscreen keyboard. But there is a provision of connecting an external keyboard.
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4. It has a hard disk for permanent storage and therefore, a large secondary memory.
| 4. It uses a memory card or flash memory and therefore, it has a limited secondary memory. |
5. It has a built in CD/DVD Drive.
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5. It does not have any CD/ DVD drive.
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6. It's operating system can be upgraded or changed at will.
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6 It's operating system can be only upgraded but cannot be changed.
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