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Exercise:

Section 1

► Section 2

Section 3

Section 4

01. The "home page" of a web site is...
A. The largest page B. The last page
C. The first page D. The most colorful page

Answer and Explanation

Answer: The first page

Explanation:
There is no explanation...

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02. The invention of the transistor, or semiconductor, was one of the most important developments leading to the personal computer revolution. What company invented the transistor in 1947?
A. International Business Machines B. MITS
C. Xerox D. Bell Laboratories

Answer and Explanation

Answer: Bell Laboratories

Explanation:
The transistor, which essentially is a solid-state electronic switch, replaced the much less suitable vacuum tube. Because the transistor consumed significantly less power, a computer system built with transistors was much smaller, faster and more efficient than a computer system built with vacuum tubes.

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03. '.TXT' extension refers usually to what kind of file?
A. Text File B. Image file
C. Audio file D. Adobe Acrobat file

Answer and Explanation

Answer: Text File

Explanation:
There is no explanation...

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04. Which consists of two plates separated by a dielectric and can store a charge?
A. Inductor B. Capacitor
C. Transistor D. Relay

Answer and Explanation

Answer: Capacitor

Explanation:
Useful in tuning and filtering circuits, it blocks DC while passing AC. How much charge a capacitor can store is its capacitance, measured in farads.

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05. According to CNN, how much did Internet traffic increase between 1994 and 1996?
A. Two times B. Ten times
C. Five times
 D. Twenty-five times

Answer and Explanation

Answer: Twenty-five times

Explanation:
The Internet is growing faster than you think!

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06. What kind of data can you send by e-mail?
A. Audio B. Pictures
C. Video D. All of the above

Answer and Explanation

Answer: All of the above

Explanation:
There is no explanation...

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07. Which of the following is not a part of the Internet?
A. World Wide Web B. Email
C. CD-ROM D. HTTP

Answer and Explanation

Answer: CD-ROM

Explanation:
There is no explanation...

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08. 'DTP' computer abbreviation usually means ?
A. Digital Transmission Protocol B. DeskTop Publishing
C. Data Type Programming D. Document Type Processing

Answer and Explanation

Answer: DeskTop Publishing

Explanation:
There is no explanation...

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09. The most common format for a home video recorder is VHS. VHS stands for...?
A. Video Home System B. Very high speed
C. Video horizontal standard D. Voltage house standard

Answer and Explanation

Answer: Video Home System

Explanation:
JVC (Japan Victor Corporation) and Matsushita (Panasonic) developed the VHS format to compete with Sony which developed the Beta format as the first home video cassette recorder. VHS originally stood for Vertical Helical Scan, but now means Video Home System.

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10. A computer virus that actively attacks an anti-virus program or programs in an effort to prevent detection is...
A. Worm B. Retrovirus
C. Trojan D. Ghost virus

Answer and Explanation

Answer: Retrovirus

Explanation:
There is no explanation...

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11. Who built the world's first binary digit computer: Z1...?
A. Konrad Zuse B. Ken Thompson
C. Alan Turing D. George Boole

Answer and Explanation

Answer: Konrad Zuse

Explanation:
There is no explanation...

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12. '.TMP' extension refers usually to what kind of file?
A. Compressed Archive file B. Image file
C. Temporary file D. Audio file

Answer and Explanation

Answer: Temporary file

Explanation:
There is no explanation...

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13. The Internet was developed in the...
A. Early 1990s B. Late 1980s
C. Early 1970s D. Late 1960s

Answer and Explanation

Answer: Late 1960s

Explanation:
As surprising as its age is, the Internet was born from the U.S. military's need to construct a decentralized computer network that could withstand a nuclear war. The network was used and refined by universities throughout the 1970s and 1980s, but it wasn't until 1992 that the Internet was made available to the general public.

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14. PLC stands for………
A. Programmable Lift Computer. B. Program List Control.
C. Programmable Logic Controller. D. Piezo Lamp Connector.

Answer and Explanation

Answer: Programmable Logic Controller.

Explanation:
There is no explanation...

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15. 'OS' computer abbreviation usually means ?
A. Order of Significance B. Open Software 
C. Operating System D. Optical Sensor

Answer and Explanation

Answer: Operating System

Explanation:
There is no explanation...

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16. Who developed Yahoo?
A. Dennis Ritchie & Ken Thompson B. David Filo & Jerry Yang
C. Vint Cerf & Robert Kahn D. Steve Case & Jeff Bezos

Answer and Explanation

Answer: David Filo & Jerry Yang

Explanation:
There is no explanation...

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17. The input used by an antenna or cable to a TV set uses frequencies called...?
A. IF B. RF
C. AF D. SAP

Answer and Explanation

Answer: RF

Explanation:
RF is radio frequency. IF is intermediate frequency used inside the TV for processing. AF is audio frequency. SAP is second audio program which may have another language or other soundtrack as an option to the main soundtrack.

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18. What is the World Wide Web?
A. A computer game B. A software program
C. The part of the Internet that enables information-sharing via interconnected pages D. Another name for the Internet

Answer and Explanation

Answer: The part of the Internet that enables information-sharing via interconnected pages

Explanation:
The World Wide Web is a subset of the Internet. Specifically, the Web is a collection of documents and applications residing on Internet servers around the world.

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19. What is a GPU?
A. Grouped Processing Unit B. Graphical Performance Utility
C. Graphics Processing Unit D. Graphical Portable Unit

Answer and Explanation

Answer: Graphics Processing Unit

Explanation:
It is a chip dedicated to performing 3D calculations.

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20. What is a spider?
A. A computer virus B. A program that catalogs Web sites
C. A hacker who breaks into computer systems D. An application for viewing Web sites

Answer and Explanation

Answer: A program that catalogs Web sites

Explanation:
Spiders are also referred to as "bots" or "crawlers," and constantly scan the Internet for new and updated Web sites.

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