SOLUTION

Parka is a long and thick coat, with a hood. It is made of seal skin and fur. It is used by the people of Greenland to cover their body from head to toe. It helps them protect themselves from the cold.

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‘Umiak’ is a big boat that is used by people of Greenland to travel from one place to another. It is made of wood and its floor is covered with animal skin.

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Both Kayaks and Umiaks are boats used in Greenland. Kayaks are the special boats built by the people of Greenland for transportation and hunting sea animals. It is a small boat covered with seal skin; on the other hand, Umiak is a large open air boat. Its floor is covered with animal skin and it is used for carrying people from one place to another. 

SOLUTION

People of Greenland are very simple. Since early times, they have had only two occupations, which are hunting and fishing. They hunt animals for food and fur. The other occupation of these people is fishing. Earlier, they used harpoons for hunting and fishing, however nowadays they have modern equipments that help them fish better and quicker. Another new occupation that has come up in recent times is mining. It has developed due to the various minerals available in Greenland.

SOLUTION

In the recent times, it has been discovered that Greenland has huge deposits of various minerals. Some of them are:copper, lead, zinc, platinum and uranium. Due to the constant digging up of these minerals, another new occupation that has come up in Greenland is of mining. This new occupation has helped the people of Greenland to not only be dependent on hunting for food. Now, due to the mining business in the country they can earn money, which can be used to buy food and other necessities.

SOLUTION

During the summer season, days are bright and sunny in Greenland, especially in the coastal areas. Sun does not set for several weeks; as a result of which, Greenland is also known as the Land of Midnight Sun. Even though there is continuous sunlight for several weeks, the temperature still remains below the freezing point and very little ice melts, even during the summer season.

SOLUTION

Greenland is very cold throughout the year. During the winter season, Sun does not rise above the horizon. It is not seen for several weeks and it seems  like a continuous dark night. There is a heavy snowfall. The temperature is always below the freezing point and extremely cold and chilly winds blow.

SOLUTION

Inuits are hard-working, cheerful and hospitable people of Greenland. For hundreds of years, they have been living on hunting animals, fishing and gathering roots.

However, now, the times have changed. With modernisation reaching Greenland, they no longer need to hunt or gather food. Now, they can buy goods, which are available in the towns of Greenland.

SOLUTION

Greenlanders living in the extreme north build snow-houses during the winter season. They are made with the help of blocks of ice and are dome-shaped. A hole is made in the centre for smoke and hot air to pass through. The floor of these houses is covered with skins and furs of animals and oil made of animal fat is continuously burnt in the houses to keep them warm.

SOLUTION

Most of the Greenland is covered with snow throughout the year because more than two-thirds of it is located north of the Arctic Circle. The northern-most tip of Greenland is about 650 km from the North Pole. Thus, the island even looks white and about 80 per cent of its area is permanently under snow and ice.

SOLUTION

The lifestyle of people of Greenland has undergone many changes in the past few years. Now, instead of harpoons they use rifles for hunting and motorboats for fishing. Many of them work in mines and oilfields. A large number of Greenlanders have also migrated to towns, which have facilities for education, medical treatment and entertainment.

SOLUTION

People of Greenland live in special houses called Igloos. They are temporary shelters that are made of blocks of ice and are cemented together with snow. The floor of these houses is covered with animal skin. However, nowadays many Eskimos live in modern houses with better facilities.

SOLUTION

 Answers:

1. Industrial Revolution is the change from the hand made goods to machine made goods, which took place in 18^th century.

2.The electricity produced by using the force of flowing water of rivers is called hydroelectricity.

SOLUTION

The two types of plotter are:

1. Flatbed plotter

2. Drum plotter

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Projector is a display device that receives signals from a computer and displays the images or videos on the screen. It is used in classrooms, presentations, etc.

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CRT stands for Cathode Ray Tube. CRT monitors are old fashioned now and are not much in use because of their heavy weight and large size.

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Barcode Reader: It is an input device, which is used to input the information of an item into the computer system.

SOLUTION

The two most commonly used input devices are:

1. Keyboard
2. Mouse

SOLUTION

Light pen: It is an input device, which is used to draw images and select the text and objects on screen.

SOLUTION

CD stands for Compact Disk. It is a read only memory. Data is stored on its shiny surface. They are of two types:

1. Read only CD
2. Read and Write CD

a) In Read only CD, the information can be written to the disk only once and cannot be changed, however, we can read it many times after that.

b) In Read and Write CD, the information can be read and written multiple times.

SOLUTION

Hard disk is a storage device that is used to store information. It has large storage capacity as compared to floppy disk and pen drive. There are two types of hard disks: internal hard disk and external hard disk.

a) Internal hard disk is present inside the CPU box and is non-portable, which means we cannot carry it with us.

b) External hard disk is a portable device and can be easily carried.

SOLUTION

Printer: It is a device that helps in taking printouts of text and images on a paper.

Speaker: It helps us to listen to music and sounds.

Plotter: It is a large size printer that is used to take out large printouts of text and images.

SOLUTION

Computer follows three easy steps. These are input, process and output.

Input: The data that is entered into a computer with the help of input devices is known as input.

Process: The time taken by a computer to work on the given data following the given instructions is known as process.

Output: The final result that comes out in the form of information is known as output.

SOLUTION

a. Scanner: It is used to scan pictures into the computer.

b. Joystick: It is used to play games on the computer.

c. Microphone: It is used to record voice, music and sounds into the computer. It is also used in voice chatting.

SOLUTION

The devices that send data and instructions into a computer are known as input devices.

The five commonly used input devices are:

1. Scanner

2. Joystick

3. Microphone

4. Webcam

5. Touch Screen

SOLUTION

Aero shake

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Windows Explorer

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Aero Flip 3D

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2009

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List view

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‘Libraries’ allows us to create a collection of all the related files at one place though the physical location of the files does not undergo any change.

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Taskbar is now equipped with other options such as pinning and jump lists. Jump Lists are lists of files, folders and websites that were opened recently.

SOLUTION

Gadgets is a small program that can be displayed on the desktop for quickly accessing the information. It includes clock, calendar, weather update, etc.

SOLUTION

Answers:

1. (a) steam engine
2. (c) solar energy
3. (b) coal
4. (d) Dams
5. (a) coal

SOLUTION

    Answer:

1. stones
2. copper
3. sun
4. copper
5. coal
6. steam engine
7. Coal , petroleum and electricity

SOLUTION

Abacus

SOLUTION

Charles Babbage

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Supercomputer

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Electronic Numerical Integrator and Calculator

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Pascaline

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Laptop computer

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Memory

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Computer

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Palmtop

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Personal Computers (PC)

SOLUTION

Modern computers are faster, smaller and cheaper than earlier ones.

SOLUTION

The engineers of the company called IBM developed Mark I in 1940.

SOLUTION

Electronic Discrete Variable Automatic Calculator

SOLUTION

The given image is of a palmtop computer.

Palmtop computer – It is much smaller, thinner and lighter than the laptop. It is small enough to fit into a palm.

SOLUTION

Charles Babbage is known as the father of computer. Difference engine and Analytical engine were also developed by Charles Babbage to perform calculations without human intervention.

SOLUTION

Desktop computer is large in size and cannot be moved around. It consists of many devices like monitor, CPU, keyboard and mouse.

SOLUTION

Charles Babbage designed the difference engine and analytical Engine. He is known as the father of the computer. Difference Engine was designed to calculate a table of numbers. Analytical Engine was designed to do difficult calculations.

SOLUTION

Napier’s bones was invented by John Napier. It was designed to perform multiplication and division. It was developed to reduce repetitive calculations. It had numbers carved on bones or on strips of wood.

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Catnip

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a. mouth sores

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Lady Fern

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Sphinx

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Vampires

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Centaur

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Werewolf

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It is Bram Stoker's 1897 novel Dracula that is remembered as the vampire novel.

SOLUTION

Aquamarine is supposed to be a cherished object for mermaids.

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Upon the complete rising of the full moon, he becomes a fearsome and deadly near-wolf.

SOLUTION

A group of vampires has variously been called a brood, coven, or clan.

SOLUTION

A mermaid is a legendary aquatic creature with the upper body of a female human and the tail of a fish. Mermaids appear in the folklore of many cultures worldwide.

SOLUTION

The largest and most famous sphinx is the Great Sphinx of Giza, sited at the Giza Plateau adjacent to the Great Pyramids of Giza.

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The "Mugger Crocodile Management Programme" has helped the Mugger crocodile (Crocodylus palustris) to survive and flourish on the banks of Khairi River.

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The Nokrek biosphere reserveis situated in the state of Meghalaya.

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The animal in the image is a snow leopard and it is found in the Nanda Devi Biosphere Reserve.

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Pachmarhi Biosphere Reserveis a natural junction of the two most important timber species like Teak and Sal.

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The rivers are Ganges,Brahmaputra and Meghna.

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The square denotes the ‘Gulf of Mannar Biosphere Reserve’.

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The animal is a “Nilgiri Tahr’and it is exclusively found in the Nilgiri Biosphere Reserve.

SOLUTION

Multimedia software is the application program that allows the user to work on various media applications, including text, graphics, audio and video.

SOLUTION

Multimedia is a combination of text, graphic, sound, animation and video that is delivered interactively to the user.

SOLUTION

Step 1: Insert the CD into the CD drive.

Step 2: Go to Programs > Computer

Step 3: Double click on the CD-ROM drive.

Step 4: Double-click on the set-up icon to install.

SOLUTION

There are many different media types that are used to store information. Some of them are such as floppy disks, hard drives and USB cartridges.

SOLUTION

Multimedia has been derived from words “Multi” and “Media”. Multi means many while media refers to those tools that are used to represent the information.

Multimedia is a combination of text, graphic, sound, animation and video that is delivered interactively to the user.

Multimedia can be used in various fields, such as business, education and entertainment.

A multimedia device presents digital information more effectively and attractively.

SOLUTION

Education:

1. Multimedia can be used as a source of reference.

2. A teacher can teach very effectively and efficiently with the help of animation, graphics and videos.

Business:

1. Multimedia applications are used in many advertisements.

2. It is also used for providing work-related training and seminars to students as well as businessmen.

Entertainment:

1. We can enjoy music, videos, movies and games through multimedia.

2. Computer games, animations, special effects in movies and animated cartoon characters can be simply made in multimedia.

SOLUTION

After the installation of the software, we can open it by following the given steps:

Step 1:

Click the Start button, placed on the bottom left corner of the Desktop screen.

Step 2:

Select Programs.

Programs contain a list of the installed software.

Step 3:

Then, click the installed software icon to use it.

SOLUTION

www.msn.com

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Google

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Web server

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Web page

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World Wide Web

SOLUTION

Websites

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History

SOLUTION

Minimize

SOLUTION

August

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Web Browser

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Games

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Modem

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Internet

SOLUTION

To program a sprite, drag out the blocks from the Blocks Palette to the Scripts Area.

SOLUTION

The Blocks Palette is used to give instructions like move, rotate and play music to a sprite by making use of various blocks in the Blocks Palette.

SOLUTION

Current Sprite Info

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Stack

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Stage

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Sprites

SOLUTION

Drag, drop