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1. Which of the following calculation results will not produce NaN results?
The correct answer is "0 - ∞"
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2. Is a local WiFi network an example of?
The correct answer is "WLAN".
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3. Which of the following layers is not one of the seven layers of the OSI model?
The correct answer is "Virtual layer".
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4. Instead of users, what are web services designed to communicate with?
The correct answer "Other programs".
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5. What is another term for bridging router?
The correct answer is "Brouter".
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6. What did Apple name for OS X 10.10?
The correct answer is "Yosemite".
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7. What do all smartphones, smart watches and tablets have in common?
The correct answer "Touch screen".
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8. Which of the following is not an e-reader (reader)?
The correct answer is Apple Watch ".
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9. Windows RT is a variant of which operating system?
The correct answer is "Windows 8".
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10. What is the temporary memory area where print jobs are stored?
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Heap (heap - in data structure)
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The correct answer "Spool (data rolls)".
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11. What is a CNAME record, A record and MX record?
Correct answer "DNS record".
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12. Which company coined the term "Graymail" to mean unwanted emails?
Lazy answer is correct "Microsoft".
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13. What is the function of JDBC?
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It allows Java applications to connect to a variety of databases.
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It allows jQuery to run on older web browsers.
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It allows Java applets to run on mobile devices.
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It allows JSP pages to be served over HTTPS.
The correct answer "It allows Java applications to connect to a variety of databases."
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14. What term is synonymous with floating point?
The correct answer is "Decimal point".
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15. What abbreviations represent television and radio?
The correct answer is "OTA".
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16. What is the most widely used desktop operating system?
The correct answer is "Windows".
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17. What is the number most commonly used to identify a particular electronic device?
The correct answer "Serial number".
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18. What is ergonomics?
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The way the processing speed increases with time
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The way the cost of computer components decreases over time
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How the Internet affects cultures across the globe
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The way humans interact with artificial objects
The correct answer "How humans interact with objects".
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19. Which of the following is a compressed image format?
The correct answer is "JPEG".
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20. Which company develops the Windows operating system?
The correct answer is "Microsoft".
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21. What are the processes or tasks that run periodically on Unix systems?
The correct answer is "Cron".
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22. What is Novell NetWare?
Correct answer "Network operating system".
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23. For what purpose is a failover system implemented?
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Mobile capabilities (portable)
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Availability for redundancy (Redundancy)
Answer "Availability to redundancy (Redundancy)
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24. What is the difference between dock and hub?
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The dock is used for desktop computers, while the hub is used for laptops.
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Dock has many types of ports, while hubs have only one type
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The dock is used for input, while the hub is used for output
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Wireless dock while wired hub
Correct answer "Dock has many types of ports, while hubs have only one type".
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25. What figure determines the frequency at which the screen image is refreshed?
The correct answer "Refresh rate".
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26. What is the main purpose of the GPU?
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To process and render graphics
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To provide wireless networking capabilities
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To prevent unauthorized access to computer systems
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Power supply for electronics
The correct answer "To process and render graphics".
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27. Which of the following measurement units is larger than petabytes?
The correct answer is "Exabyte".
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28. Which verb describes the recovery of data from a backup?
The correct answer is "Restore".
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29. Which of the following is with a small antenna?
The correct answer "RFID".
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30. What does ransomware do?
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It indicates that you must upgrade the software on your computer.
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It requires you to pay a fee to unlock the computer
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It secretly moves all your files to another computer.
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It loads other people's identities on your computer.
The correct answer "It requires you to pay a fee to unlock the computer".
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31. What type of image will saturation an image produce?
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Halftone (half tone photo)
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Transparent (transparent background)
The correct answer is "Grayscale".