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Assessment
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CompTIA Strata study guide
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CompTIA Strata study guide
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  1. 1. What is the type of most RAM used in most notebook computers?
    A. SODIMM
    B. RIMM
    C. SIMM
    D. DIMM
    A. Desktop RAM is mostly DIMM, and notebook RAM is mostly SODIMM. The smaller size of SODIMM makes it more appropriate for use in smaller computing devices. See Chapter 1, “Processing and Memory.”
    (this multiple choice question has been scrambled)
  2. 2. 24FF is an example of what numbering system?
    A. Decimal
    B. Octal
    C. Binary
    D. Hexadecimal
    D. Whereas humans use mostly decimal numbering (0 through 9), computers use a combination of binary numbering (0 and 1) and hexadecimal numbering (0 through 9 plus A through F). See Chapter 1.
    (this multiple choice question has been scrambled)
  3. 3. What is the large circuit board inside a computer called?
    A. CPU
    B. Memory
    C. Expansion board
    D. Motherboard
    D. The motherboard is the main circuit board in the PC to which everything else connects. It contains the CPU, memory, and connectors to all the drives. See Chapter 1.
    (this multiple choice question has been scrambled)
  4. 4. A megabyte is approximately how many bytes?
    A. 10
    B. 1000
    C. 10,000
    D. 1,000,000
    D. A megabyte, abbreviated MB, is one million bytes. Megabyte is a common measurement of computer storage, and also of RAM capacity. One thousand megabytes (or one billion bytes) is a gigabyte. See Chapter 1.
    (this multiple choice question has been scrambled)
  5. 5. QWERTY is a layout for what PC input device?
    A. Keyboard
    B. Mouse
    C. Scanner
    D. Monitor
    A. The term QWERTY comes from the first six letters on the first row of the keyboard layout. See Chapter 2, “Input and Storage Devices.”
    (this multiple choice question has been scrambled)
  6. 6. Which is the newer hard-disk technology: PATA or SATA?
    A. SATA
    B. n/a
    C. PATA
    D. Both are equally new
    A. Serial ATA (SATA) is a newer interface for attaching hard disks to PCs. It is faster and the cables are thinner than Parallel ATA (PATA), the older technology that used ribbon cables. See Chapter 2.
    (this multiple choice question has been scrambled)
  7. 7. How much data can a single-sided, single-layer DVD hold?
    A. 4.7 GB
    B. 700 MB
    C. 1.4 GB
    D. 9.4 GB
    A. DVDs hold 4.7 GB per side. Double-layer DVDs hold almost twice that much per side:8.54 GB. See Chapter 2.
    (this multiple choice question has been scrambled)
  8. 8. How is printer resolution measured?
    A. bps
    B. cps
    C. ppm
    D. dpi
    D. Printer quality is measured in dots per inch, or dpi; the higher the dpi, the smallerand closer together the dots that make up the image. See Chapter 3, “Peripherals andNetworking.”
    (this multiple choice question has been scrambled)
  9. 9. What kind of printer uses powdered toner and a spinning drum?
    A. inkjet
    B. laser
    C. thermal wax
    D. dot matrix
    B. A laser printer works much like a photocopier. It writes an image on a drum withelectrical charges, and powdered toner, attracted to those charges, clings to the drum andthen is fused to a piece of paper. See Chapter 3
    (this multiple choice question has been scrambled)
  10. 10. What does LCD stand for?
    A. Liquid Carrier Duplex
    B. Liquid Crystal Display
    C. Long Course Data
    D. Lengthwise Crystal Data
    B. In a Liquid Crystal Display monitor, there are two polarized filters, between which areliquid crystals. The crystals twist when electricity passes through them, letting light pass through. This lights up an area of the screen. See Chapter 3.
    (this multiple choice question has been scrambled)
  11. 11. In what type of environment would a P2P network be appropriate?
    A. Internet
    B. Large business in a single location
    C. Large business with multiple locations
    D. Home office
    D. P2P stands for peer-to-peer. This network type has no server; the client PCs share the burden of maintaining the network. P2P works best for small networks of fewer than 10 computers. See Chapter 3.
    (this multiple choice question has been scrambled)
  12. 12. What type of connector does Cat5e cable have on each end?
    A. RJ-11
    B. RS-232
    C. RJ-14
    D. RJ-45
    D. Most Ethernet cable, including Cat5, Cat5e, and Cat6, uses an RJ-45connector on each end. This looks like a telephone connector but is slightly wider and has eight wires (four twisted pairs). See Chapter 3.
    (this multiple choice question has been scrambled)
  13. 13. Most printers and other external devices connect to the PC using what interface?
    A. Legacy serial
    B. PATA
    C. VGA
    D. USB
    D. The USB interface is a general-purpose interface used for a wide variety of devices, including keyboard, mouse, printer, scanner, modem, and so on. See Chapter 4, “Setting Up a Computer.”
    (this multiple choice question has been scrambled)
  14. 14. In the United States, if your power supply has a 120v/220v switch on it, in what position should it be set?
    A. None; this power supply cannot be used in the United States
    B. Halfway between the two settings
    C. 120v
    D. 220v
    C. In the United States, 120v power is used. In Europe, 220v or 230v power is used. See Chapter 4.
    (this multiple choice question has been scrambled)
  15. 15. What two possible connectors could be used for a monitor?
    A. FireWire or SATA
    B. DVI or VGA
    C. VGA or USB
    D. HDMI and PATA
    B. Digital Video Interface (DVI) is the more modern digital monitor connector. Video Graphics Array (VGA) is the older analog connector. See Chapter 4.
    (this multiple choice question has been scrambled)
  16. 16. What is the more common name for ESD?
    A. refresh rate
    B. magnetic interference
    C. crosstalk
    D. static electricity
    D. Electrostatic discharge, or ESD, is also called static electricity. It is a threat to computer components because the voltage of the static shock can harm them. See Chapter 5, “Maintaining a Computer.”
    (this multiple choice question has been scrambled)
  17. 17. How do you open a command prompt in Windows Vista or Windows 7?
    A. Right-click the desktop and click DOS.
    B. Right-click the desktop and click Open Command Prompt.
    C. Click Start, and then click Prompt.
    D. Click Start, type cmd, and press Enter.
    D. A command-prompt interface enables you to issue certain commands that aren’t available in the graphical interface. The CMD command opens it. See Chapter 5.
    (this multiple choice question has been scrambled)
  18. 18. What Windows utility lists the currently running applications and processes and enables
    you to shut down any that have stopped responding?
    A. Device Manager
    B. Task Manager
    C. System Editor
    D. System Utility Manager
    B. Task Manager enables you to shut down unresponsive applications. To display task Manager, right-click the taskbar and choose Start Task Manager. See Chapter 5.
    (this multiple choice question has been scrambled)
  19. 19. On Windows and Mac systems, you can create two types of user accounts: standard and.
    A. Administrator
    B. System
    C. Guest
    D. Full
    A. Use a standard account for users who should not be able to make changes that affect other users. Use an administrator account for users who should have full control. See Chapter 6, “Installing and Configuring Software.”
    (this multiple choice question has been scrambled)
  20. 20. What kind of software is free, and users are encouraged to modify its code to help improve it?
    A. Open source
    B. Freeware
    C. Commercial
    D. Shareware
    A. Open source software is free to all, and everyone may modify it to help improve it. Linux is an example of such software. See Chapter 6.
    (this multiple choice question has been scrambled)
  21. 21. True or false: activating and registering software are the same thing.
    A. n/a
    B. False
    C. n/a
    D. True
    B. FALSE Registering a product is usually optional; it provides your contact information to the maker. Activating a product locks it to your computer so that it cannot be installed elsewhere. No personal information is sent, and the process is not optional. See Chapter 6.
    (this multiple choice question has been scrambled)
  22. 22. What type of file helps the operating system interface with a hardware device?
    A. Driver
    B. Client
    C. Server
    D. Executable
    A. Device drivers translate instructions between devices and the OS. You can update a device driver if a newer version becomes available. See Chapter 7, “Updating and Upgrading Hardware.”
    (this multiple choice question has been scrambled)
  23. 23. In Windows Vista and higher, the provides a numeric score
    indicating your computer’s performance level.
    A. Help and Support Center
    B. Windows Experience Index
    C. Device Manager
    D. System Configuration Editor
    B. The Windows Experience Index ranks your computer in five areas with a numeric score. The overall base score is the lowest of those five scores. See Chapter 7.
    (this multiple choice question has been scrambled)
  24. 24. How many drives can a SATA cable support?
    A. 7
    B. 2
    C. 1
    D. 255
    C. Unlike a PATA cable, which can take two drives, each SATA cable connects to one drive only. See Chapter 7.
    (this multiple choice question has been scrambled)
  25. 25. What do you have to do to recover when you get a STOP error (aka blue screen of death) in Windows?
    A. Unplug the keyboard and mouse
    B. Reformat the hard disk
    C. Restart the application that crashed
    D. Turn the computer off and back on again
    D. A STOP error freezes the computer; you have to reboot to recover from it. See Chapter 8, “Troubleshooting Operational Problems.”
    (this multiple choice question has been scrambled)
  26. 26. If an older application won’t run in your new version of Windows, you may be able to use mode to get it to run.
    A. Compatibility
    B. Standard
    C. Legacy
    D. Accessibility
    A. Compatibility Mode can be set up for individual applications to simulate an earlier version of Windows. See Chapter 8.
    (this multiple choice question has been scrambled)
  27. 27. What command can you type at a command prompt to get information about the network devices and their IP addresses?
    A. PING
    B. TRACERT
    C. CMD
    D. IPCONFIG
    D. IPCONFIG tells you each network adapter’s status and IP address. It is available only at a command prompt. See Chapter 8.
    (this multiple choice question has been scrambled)
  28. 28. What is a K-slot for on a notebook computer?
    A. USB device
    B. External keyboard
    C. Memory card
    D. Lock
    D. It is for attaching a lock to secure a notebook computer physically to a location, such as a desk. K is short for Kensington, the maker of the lock. See Chapter 9, “Security and Access Control.”
    (this multiple choice question has been scrambled)
  29. 29. Which of these is an example of a strong password?
    A. Password
    B. QWERTY
    C. 58WRxry%41x2
    D. 0987654321
    C. Strong passwords are long, varied, and unusual, and not easily guessable. See Chapter 9.
    (this multiple choice question has been scrambled)
  30. 30. A(n) is a plain-text file that a web page stores on your hard disk for tracking purposes.
    A. pop-up
    B. phish
    C. cookie
    D. worm
    C. Cookies help a website remember your previous preferences or status. They are usually harmless, but some people prefer to disable them for additional privacy. Some websites will not work correctly without them. See Chapter 9.
    (this multiple choice question has been scrambled)
  31. 31. A(n) is an application that appears to do something useful but is actually malware that harms your system or compromises your privacy.
    A. Trojan horse
    B. Worm
    C. Bot
    D. Virus
    A. Trojan horse applications may tell you that they are scanning for errors or improving your system, when they may actually be logging your keystrokes or spying on your browsing habits. See Chapter 9.
    (this multiple choice question has been scrambled)
  32. 32. In what low-power mode does the computer shut off power to all components except RAM?
    A. RAM mode
    B. Sleep
    C. Kill
    D. Hibernate
    B. Sleep keeps RAM powered, so the computer uses very little power. Hibernate keeps nothing powered at all, so the computer uses no power. See Chapter 10, “Safe, Legal, and Green Computer Usage.”
    (this multiple choice question has been scrambled)
  33. 33. What is duplexing?
    A. Recapturing used toner
    B. Setting up a virtual server
    C. Reusing a CD or DVD
    D. Printing on both sides of the paper
    D. You can cut printing supply costs, and also help the environment, by using both sides of the paper in your printer. See Chapter 10.
    (this multiple choice question has been scrambled)
  34. 34. What is VoIP?
    A. Setting up a virtual server
    B. Using the Internet for telephone service
    C. Creating a secure channel through the Internet for data communications
    D. Telecommuting
    B. VoIP can help decrease building costs by minimizing the wiring required for each office because it doesn’t need a separate phone line and Internet line. See Chapter 10.
    (this multiple choice question has been scrambled)
  35. 35. Why should you not throw away toner in the regular trash?
    A. It is carcinogenic
    B. It is valuable and can be sold
    C. It is flammable
    D. It explodes when it gets wet
    A. Toner not only is messy, but can also pose a health hazard.
    (this multiple choice question has been scrambled)

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