Science Set 1
Q.1 Light Emitting Diode (LED) convert
1. Mechanical energy into electrical energy
2. Thermal energy into light energy
3. Light energy into electrical energy
4. Electrical energy into lightl energy
Answer : 4
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Q.2 Junk e-mail is also called
1. spam
2. spoof
3. Sniffer script
4. Spool
Answer : 1
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Q.3 Which of the following refers to a small, signal_site network
1. DSL
2. LAN
3. WAN
4. ROM
Answer : 2
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Q.4 MS-WORD is an Example of
1. output device
2. operating system
3. application software
4. input device
Answer : 3
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Q.5 Which one of the following computer memory is a temporary and also volatile ?
1. RAM
2. Hard disk
3. ROM
4. EPROM
Answer : 1
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Q.6 A computer cannot boot if it does not have the
1. Loader
2. Compiler
3. Operating system
4. Assembler
Answer : 3
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Q.7 Where is modem connected?
1. Phone line
2. Printer
3. Mother board
4. Processor
Answer : 1
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Q.8 First computer virus is known as
1. Elk Cloner
2. SCA Virus
3. Rabbit
4. Creeper Virus
Answer : 4
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Q.9 1024 bit is equal to how many byte
1. 4 Byte
2. 64 Byte
3. 128 Byte
4. 32 Byte
Answer : 3
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Q.10 .gif is an extension of
1. Video file
2. Image file
3. Music file
4. Text file
Answer : 2
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Q.11 Which company bought the popular video teleconferencing software 'Skype'
1. Google
2. Accenture
3. Oracle
4. Microsoft
Answer : 4
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Q.12 ORACLE is a
1. Operating System
2. RDBMS
3. Interpreter
4. Compiler
Answer : 2
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Q.13 When was the first e-mail sent?
1. 1973
2. 1972
3. 1971
4. 1974
Answer : 1
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Q.14 The process of copying a Web page or file from a server on to your computer is called:
1. Downloading
2. Uploading
3. File hosting
4. E-mailing
Answer : 1
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Q.15 ISP stands for:
1. International Security Provide
2. Internet Service Provide
3. Internet Software Package
4. None of these
Answer : 2
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Q.16 Which of the following is an example of a binary number?
1. B1SCD0
2. 100101
3. 001365
4. 568974
Answer : 2
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Q.17 Which of the following is a correct format of Email address?
1. buy.website.com
2. buy@website@com
3.
[email protected]
4. @buy.com
Answer : 3
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Q.18 What is the shortcut key of printing a document for computer having windows?
1. Alt + P
2. Ctrl + Shift + P
3. Ctrl + P
4. Ctrl + Alt + P
Answer : 3
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Q.19 Which of the following storage devices can be used for storing large backup data?
1. Floppy disk
2. Magnetic tape
3. Hard disk
4. All of these
Answer : 2
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Q.20 Date and Time are available on the desktop at
1. Keyboard
2. Recycle Bin
3. Task bar
4. My Computer
Answer : 3
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Q.21 In a photocell light energy is converted into
1. chemical Energy
2. heat Energy
3. electrical Energy
4. potential Energy
Answer : 3
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Q.22 Helium gas is used in gas balloons instead of hydrogen gas because it is
1. more stable
2. non-combustible
3. more abundant than hydrogen
4. lighter than hydrogen
Answer : 4
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Q.23 The chambers in a human heart is
1. Two
2. Four
3. Five
4. Three
Answer : 2
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Q.24 Steel contains
1. 5-10% carbon
2. more than 10% carbon
3. 0.1%-2% carbon
4. no carbon
Answer : 3
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Q.25 Cokking gas is a mixure of
1. carbon and propane
2. carbon dioxide and oxygen
3. carbon monoxide and carbon dioxide
4. methane and ethylene
Answer : 1
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