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Test of terminology and technology - Part 7

  1. 1. Which of the following calculation results will not produce NaN results?
    1. 0 ÷ 0
    2. 0 x ∞
    3. 0 - ∞
    4. ∞ ÷ ∞
    The correct answer is "0 - ∞"
  2. 2. Is a local WiFi network an example of?
    1. WLAN
    2. WAN
    3. WWW
    4. WAMP
    The correct answer is "WLAN".
  3. 3. Which of the following layers is not one of the seven layers of the OSI model?
    1. Physical layer
    2. Virtual layer
    3. Session layer
    4. Transport layer
    The correct answer is "Virtual layer".
  4. 4. Instead of users, what are web services designed to communicate with?
    1. System administrator
    2. Other programs
    3. Client hardware
    4. Nothing
    The correct answer "Other programs".
  5. 5. What is another term for bridging router?
    1. Brouter
    2. Gateway
    3. Switch
    4. Access point
    The correct answer is "Brouter".
  6. 6. What did Apple name for OS X 10.10?
    1. Mavericks
    2. Yosemite
    3. Sierra
    4. High Sierra
    The correct answer is "Yosemite".
  7. 7. What do all smartphones, smart watches and tablets have in common?
    1. Physical keyboard
    2. USB port
    3. Touch screen
    4. Inductive charging
    The correct answer "Touch screen".
  8. 8. Which of the following is not an e-reader (reader)?
    1. Amazon Kindle
    2. Apple Watch
    3. Barnes & Noble NOOK
    4. Kobo Aura
    The correct answer is Apple Watch ".
  9. 9. Windows RT is a variant of which operating system?
    1. Windows ME
    2. Windows 7
    3. Windows 8
    4. Windows 10
    The correct answer is "Windows 8".
  10. 10. What is the temporary memory area where print jobs are stored?
    1. Stack (stack)
    2. Heap (heap - in data structure)
    3. Spool (data roll)
    4. Bucket (data bucket)
    The correct answer "Spool (data rolls)".
  11. 11. What is a CNAME record, A record and MX record?
    1. Domain
    2. Web analytics
    3. Mail filter
    4. DNS records
    Correct answer "DNS record".
  12. 12. Which company coined the term "Graymail" to mean unwanted emails?
    1. Google
    2. Yahoo!
    3. Apple
    4. Microsoft
    Lazy answer is correct "Microsoft".
  13. 13. What is the function of JDBC?
    1. It allows Java applications to connect to a variety of databases.
    2. It allows jQuery to run on older web browsers.
    3. It allows Java applets to run on mobile devices.
    4. It allows JSP pages to be served over HTTPS.
    The correct answer "It allows Java applications to connect to a variety of databases."
  14. 14. What term is synonymous with floating point?
    1. Dots
    2. Period
    3. Semi-colon
    4. Decimal point
    The correct answer is "Decimal point".
  15. 15. What abbreviations represent television and radio?
    1. OCR
    2. OTA
    3. OEM
    4. ODBC
    The correct answer is "OTA".
  16. 16. What is the most widely used desktop operating system?
    1. macOS
    2. Windows
    3. Linux
    4. iOS
    The correct answer is "Windows".
  17. 17. What is the number most commonly used to identify a particular electronic device?
    1. UPC
    2. SKU
    3. Product number
    4. Serial number
    The correct answer "Serial number".
  18. 18. What is ergonomics?
    1. The way the processing speed increases with time
    2. The way the cost of computer components decreases over time
    3. How the Internet affects cultures across the globe
    4. The way humans interact with artificial objects
    The correct answer "How humans interact with objects".
  19. 19. Which of the following is a compressed image format?
    1. ZIP
    2. JPEG
    3. MP3
    4. AVI
    The correct answer is "JPEG".
  20. 20. Which company develops the Windows operating system?
    1. Microsoft
    2. Oracle
    3. Google
    4. IGBM
    The correct answer is "Microsoft".
  21. 21. What are the processes or tasks that run periodically on Unix systems?
    1. Hash (hash)
    2. Filter
    3. Cron
    4. Avatar
    The correct answer is "Cron".
  22. 22. What is Novell NetWare?
    1. Network operating system
    2. Firewall
    3. Web server
    4. Server farm
    Correct answer "Network operating system".
  23. 23. For what purpose is a failover system implemented?
    1. Ability of extension
    2. Mobile capabilities (portable)
    3. Compatibility
    4. Availability for redundancy (Redundancy)
    Answer "Availability to redundancy (Redundancy)
  24. 24. What is the difference between dock and hub?
    1. The dock is used for desktop computers, while the hub is used for laptops.
    2. Dock has many types of ports, while hubs have only one type
    3. The dock is used for input, while the hub is used for output
    4. Wireless dock while wired hub
    Correct answer "Dock has many types of ports, while hubs have only one type".
  25. 25. What figure determines the frequency at which the screen image is refreshed?
    1. DPI
    2. The resolution
    3. Refresh rate
    4. Pixel density
    The correct answer "Refresh rate".
  26. 26. What is the main purpose of the GPU?
    1. To process and render graphics
    2. To provide wireless networking capabilities
    3. To prevent unauthorized access to computer systems
    4. Power supply for electronics
    The correct answer "To process and render graphics".
  27. 27. Which of the following measurement units is larger than petabytes?
    1. Exabyte
    2. Kilobyte
    3. Terabyte
    4. Megabyte
    The correct answer is "Exabyte".
  28. 28. Which verb describes the recovery of data from a backup?
    1. Renew (refreshed)
    2. Reformat (reformat)
    3. Rerun (rerun)
    4. Restore
    The correct answer is "Restore".
  29. 29. Which of the following is with a small antenna?
    1. UPC
    2. SKU
    3. PID
    4. RFID
    The correct answer "RFID".
  30. 30. What does ransomware do?
    1. It indicates that you must upgrade the software on your computer.
    2. It requires you to pay a fee to unlock the computer
    3. It secretly moves all your files to another computer.
    4. It loads other people's identities on your computer.
    The correct answer "It requires you to pay a fee to unlock the computer".
  31. 31. What type of image will saturation an image produce?
    1. Vector
    2. Halftone (half tone photo)
    3. Grayscale
    4. Transparent (transparent background)
    The correct answer is "Grayscale".
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