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UNIT TEST, CLASS -VIII: COMPUTER, TIME: 2 Hrs., , MM: 20, SECTION – A, , A. Choose the correct answer:, , [4], , 1. A ________ is a computer on the network., a) Resource, , b) Modem, , c) Workstation, , 2. ________________ spread throughout the country or even around the world., a) LAN, , b) MAN, , c) WAN, , 3. ________ is a device that connects dissimilar networks., a) Switch, , b) Gateway, , c) Hub, , 4. ________________ consist of small LAN's over a small geographical area., a) MAN, , b) CAN, , c) LAN, , B. Fill in the blanks:, , [2], , 1. ________________ cable is the oldest and most common type of conducted media., 2. The world's largest computer network is ________________________., , C. Write True or False., , [4], , 1. Network is a set of rules that governs data communication. [ _____ ], 2. Transmission control protocol put that packets back in the right order. [ _____ ], 3. Internet is a private network that can only be accessed by authorized users. [ _____ ], 4. Router is a device that is used to connect same network. [ _____ ], , SECTION – B, A. Answer the following questions:, 1. Write the full form of the following,, a) HTTP, , b) URL, , [2], c) ISP, , d) CAN, , 2. Describe the network is your own words?, , [2], , 3. Differentiate b/w LAN and WAN?, , [2], , 4. What do you mean by wireless communication? Explain only one popular wireless, technology., , [2]

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5. Write a java program to swap two numbers without using third variable. [With assigning, values], [2]