Compputer applications

11. Which of the following is NOT true about microprocessors? a. A dual-core processor is a single chip that contains two separate processors. c. A multicore processor is an expansion that provides for more than two separate processors. b. Microprocessor speed is generally measured in megahertz (MHz). d. The switches on a microprocessor control the flow of electricity.

B

19. Key drive, thumb drive, and jump drive are all other names for ____. a. hard drives c. memory sticks b. USB flash drives d. SD cards

B

3. A(n) ____ mouse uses a laser to detect the mouse's movement. a. mechanical c. wireless b. optical d. trackball

B

5. A computer that delivers Web pages to browsers and other files to applications via the HTTP protocol is considers a ____ server. a. file c. database b. Web d. mobile

B

6. The system case includes all of the following EXCEPT ____. a. processor c. video card b. monitor d. memory

B

6. Which of the following is NOT true about monitors? a. They are a display device typical of desktop computers. b. Screen output is called hard copy. c. The CRT was one of the earliest types of computer monitors. d. LCD and gas plasma are types of flat-panel monitors.

B

A mouse with a ball is also known as a(n) ____ mouse. a. wireless c. ergonomic b. mechanical d. touch

B

A(n) ____ is a list of services specifically designed to provide assistance to an organization. a. warranty c. extended warranty b. support agreement d. service contract

B

A(n) ____ is also called an adapter card, add-in, or add-on. a. USB port c. FireWire b. expansion board d. IEEE 1394 bus

B

Asking questions, using what-if statements, and clarifying the situation are all parts of which step in the problem-solving process? a. Select and implement a solution c. Evaluate solutions b. Define the problem d. Identify possible solutions

B

Data on a hard drive is stored in small ____ dots on the disk. a. raised c. static b. magnetic d. dynamic

B

Evan tells his club that ____ is a wireless standard that allows data to be transferred between devices using infrared light. a. FireWire c. SCSI b. IrDA d. USB

B

Jacki tells Fiona that the computer center she works in should do all of the following EXCEPT ____. a. have a cut-off device that is triggered when sprinklers turn on c. keep cable connections free of dust b. have wooden floors d. clean the ball of each mechanical mouse

B

Jin wants to properly dispose of the computers and equipment his company no longer needs. Which of the following is NOT true? a. He can check the U.S. EPA Web site for information. c. He should donate usable equipment to nonprofits or schools. b. Computer equipment cannot be recycled. d. He should run a utility that wipes the hard drives.

B

Sara access the defragmentation utility from the ____. a. Command prompt c. Computer window b. Control Panel d. Windows Explorer

B

Tarun learns that ____ devices are nonvolatile, removable medium that use integrated circuits. a. optical c. magnetic b. solid state d. Blu-ray

B

Temporary files are created for all of the following reasons EXCEPT: ____. a. To free memory for other programs b. To create a file that will exist after the program has closed c. To act as a safety net to prevent data loss d. To print while the computer is performing other tasks

B

To take a screen shot of a computer problem or error message, press the ____ key. a. Copy c. Paste b. Print Screen d. any of the above

B

Which of the following is NOT recommended when cleaning a laser printer? a. Use a printer brush to clean the toner opening b. Wipe the transfer roller with a lint-free cloth c. Remove paper fragments d. All of the above are recommended

B

Which of the following is NOT true about data backup? a. Backup disks enable you to restore data. c. Large organizations have secure backup procedures that include a regular schedule for backing up files. b. You should back up data to your hard drive. d. Data backup systems includes tape devices.

B

Which of the following is NOT true about disk fragmentation? a. The computer reads the fragmented file as a single valid file. b. Defragmentation works best on read-only disks. c. To read a file, the read-write head has to scan multiple parts of the disk. d. Windows contains a defragmentation utility.

B

Which of the following is NOT true about magnetic fields and static electricity? a. A single spark from static electricity can damage a computer. c. Do not store magnets directly on a computer. b. They only exist in special circumstances. d. Computer technicians use grounding straps on their wrists when they service computers.

B

Which of the following is the useful life of a computer for a company in the technology industry? a. One year c. Three to five years b. Two to three years d. Five to eight years

B

1. Which of the following is NOT a type of keyboard? a. ergonomic c. optical b. wireless d. security

C

10. The above figure shows an example of a(n) ____. a. circuit board c. microprocessor b. motherboard d. expansion port

C

13. A ____ is approximately a billion bytes. a. kilobyte c. gigabyte b. megabyte d. terabyte

C

14. RAM stands for ____ Access Memory a. Remote c. Random b. Return d. Regular

C

3. The first step in the information processing cycle is ____. a. outputs information c. inputs data b. stores data and information d. processes data

C

4. A computer performs operations use ____ operators such as AND, OR, and NOT. a. arithmetic c. logical b. simple d. analytical

C

4. Which of the following is NOT true about mice? a. Most mice have two or three buttons. b. Generally, clicking the right mouse button displays a shortcut menu. c. Double-clicking selects a paragraph of text. d. You use the left mouse button for most operations.

C

9. A(n) ____ scanner reads encoded information on credit cards. a. image c. magnetic b. bar code d. OCR

C

A temperature range of ____ degrees (Fahrenheit) is optimal for system reliability. a. 50 or below c. 68 to 75 b. 50 to 65 d. 75 or higher

C

As a general rule, you should clean a computer ____. a. daily c. every three to six months b. weekly d. yearly

C

As he learns how to care for his storage media, Tarun discovers that all of the following are true EXCEPT ____. a. He should keep media away from magnetic fields. c. He should only remove the media from a drive when the drive indicator light is on. b. He should avoid extreme temperatures. d. He should remove his media from drives when not in use.

C

Collecting all data and attempting to reproduce the problem are parts of which step in the problem-solving process? a. Select and implement a solution c. Investigate and analyze the problem b. Define the problem d. Identify possible solutions

C

Evan tells his club that ____ is a special-purpose port used as a standard interface for connecting peripherals such as disk drives and printers. a. FireWire c. SCSI b. USB d. IrDA

C

Jolene tells her clients that all of the following is true about computer maintenance EXCEPT: ____. a. cleaning mechanical mice can eliminate jerky or erratic movement of the mouse pointer b. many inkjet printers have a self-cleaning mode c. replacing a keyboard involves replacing many complicated hardware components d. exposure to light can damage toner cartridges

C

SPS stands for ____ Power System. a. Sustainable c. Standby b. Special d. Serial

C

Sihaam knows that all of the following could be causes for her connectivity issues EXCEPT: ____. a. the network provider's system is not working properly c. a damaged video card b. network adapters and switch ports to not match d. the network adapter is incompatible with the motherboard

C

Some companies use ____ to monitor employee personal use. a. the ping command c. spyware b. video cards d. network cards

C

The accompanying figure has a built-in ____ pointing device. a. wireless mouse c. touchpad b. ergonomic mouse d. trackball

C

The accompanying figure shows an example of ____. a. ROM chips c. RAM chips b. a laser toner cartridge d. disk sectors

C

The bottom hole in the figure above shows a(n) ____. a. FireWire port c. USB port b. expansion slot d. SCSI

C

Which of the following is NOT a measure taken to safeguard data? a. Firewalls c. Security locks b. Intrusion-detection devices d. Backing up data

C

Which of the following is NOT generally included in a document such as the one shown in the figure above? a. If the product or service doesn't meet the specifications, the manufacturer will repair or replace it. c. That it enables the manufacturer to repair the computer with refurbished parts. b. Your responsibilities as a consumer, such as to have it serviced by a licensed technician. d. A guarantee that it meets certain specifications.

C

Which of the following is NOT true about RAM? a. RAM modules are installed on the motherboard. b. Data stored in RAM is temporary. c. Hard drive access is considerably faster than RAM. d. When the computer is processing data, it reads and writes to RAM.

C

Which of the following is NOT true about biometric devices? a. They are used for security. b. They consist of a reader or scanning device and software that converts the information into digital format. c. A common technique is to scan the retina or iris. d. All of the above are true.

C

Which of the following is NOT true about service agreements? a. They enable a company or user to budget for support. c. They are the same as warranties. b. The terms of service and the assistance to be provided are specified in the agreement. d. Some examples of terms include fixed cost per hour and remote telephone assistance.

C

Which of the following is the last step in the problem-solving process? a. Define the problem. c. Evaluate solutions. b. Identify possible solutions. d. Select and implement a solution.

C

Which of the following is the useful life of a computer for the general public? a. One year c. Three to five years b. Two to three years d. Five to eight years

C

If you spill liquid on a keyboard, you should do all of the following, EXCEPT: ____. a. turn off the computer immediately b. disconnect the keyboard c. turn it upside down and shake it d. reconnect it as soon as possible to make sure it still works

D

Jacki tells Fiona that she should ____. a. turn on her computer right away to test it after water damage c. transport her computer in a padded case b. attach magnets to her computer to protect the magnetic fields d. wear a grounded strip when she installs a component to her computer

D

Jin should look for all of the following in the computer warranty of his new equipment, EXCEPT: ____? a. If it includes software coverage. c. If the warranty applies if the computer is used outside the country. b. On-site repair. d. At least 30 days of free telephone support.

D

Jolene tells her clients that all of the following should be performed by a computer professional EXCEPT: ____. a. replacing the processor c. adding RAM b. opening the power supply case d. installing a cable management kit

D

Sihaam knows that all of the following can fix her connectivity issues EXCEPT: ____. a. restarting the router c. trying another network cable b. checking the computer's network card d. using the boot disk

D

Some computer requirements that are common to most businesses include all of the following EXCEPT: ____. a. budgeting c. marketing b. correspondence d. playing games

D

To access the troubleshooting tool shown in the above figure, first open the ____ window. a. Windows Explorer c. Internet Explorer b. My Computer d. Control Panel

D

Tristan has limited funds. Which of the following should he considering purchasing? a. Windows PC c. tablet b. Macintosh d. Linux PC

D

Which of the following is NOT an output device for the physically challenged? a. Screen magnifiers c. Voice synthesizers b. Screen readers d. Joystick computer mouse

D

Which of the following is NOT true about cookies? a. The file is updated each time you visit a Web site. b. They are used to gather information about your surfing habits. c. They can be used for targeted advertising. d. They can be a threat to your computer's security.

D

Which of the following is NOT true about dot matrix printers? a. They transfer ink to the paper by striking a ribbon with pins. b. The speed is measured in characters per second. c. They are seldom used today. d. The mechanism that does the printing is called the plotter.

D

Which of the following is NOT true about hard drive crashes? a. They are generally caused by software corruption or hardware defects. c. Diagnostic software and data recovery programs can locate and recover bad sectors. b. They can occur if the hard drive overheats. d. Viruses rarely cause hard drive crashes.

D

Which of the following is NOT true about pointing devices? a. You can replace a mouse without replacing other computer hardware. b. You can purchase and install external touchpads. c. Using a wireless ergonomic mouse reduces clutter and allows for natural hand positions. d. Built-in touchpads on notebooks can be easily replaced or upgraded.

D

Which of the following is NOT true about the earliest computers? a. They had less processing power than an iPhone. c. They were so expensive only major companies or government organizations could afford them. b. They occupied small buildings or entire city blocks. d. They were first developed in the 1970s.

D

Which of the following is a safeguard to protect computer hardware from theft? a. Use security locks to secure the equipment to desks. c. Mark all equipment with an identification tag that can be traced. b. Attach an alarm that will sound if the equipment is moved. d. All of the above are true.

D

Which of the following is not a part of the problem-solving step, Investigate and Analyze the Problem? a. Identify potential causes c. Review the manufacturer's manual b. Write down the steps you take to create the problem d. All of the above are parts of this step

D

Which of the following is NOT true about physical damage to computers? a. Desktop computers are more costly than notebooks with similar storage and processing capabilities. c. Arrange equipment on a desk or floor so that it is stable. b. Most portable devices are insulated with shock absorbing material. d. All of the above are true.

A

Which of the following is NOT true about the Recycle Bin? a. It can contain files you delete from your USB flash drive. b. It is a holding area for files and folders you have deleted. c. You can access it through an icon on the desktop. d. You can restore items from the Recycle Bin.

A

Which of the following is NOT true about the effects of humidity on computers? a. A low level can cause computers to short circuit. c. The relative humidity should be above 20% and below the dew point. b. Condensation can cause problems, such as taking a cold notebook into a hot automobile. d. Some equipment has special humidity restrictions.

A

Which of the following is the first step in the problem-solving process? a. Define the problem. c. Evaluate solutions. b. Identify possible solutions. d. Select and implement a solution.

A

____ is a recommended, effective method for cleaning a keyboard. a. Compressed air c. Running it under the faucet b. Turning it upside down and shaking it d. All of the above

A

____ procedures should place a priority on files that would be difficult or impossible to replace or reconstruct if they were lost. a. Backup c. Encryption b. Security d. Recovery

A

Carolina learns that ____ a mouse can be used to highlight a selected portion of text. a. dragging c. right-clicking b. pointing d. clicking

A

Disk ____ occurs when data is broken up into many pieces that are not stored close together. a. fragmentation c. sectoring b. defragmentation d. seek time

A

If the printed image is faded, it could be because of all of the following conditions EXCEPT: ____. a. the printer's fuser assembly might be damaged c. the print density is set too low b. the toner is low d. economy mode printing is turned on

A

Looking for help and advice from an expert source is a part of which step in the problem-solving process? a. Select and implement a solution c. Investigate and analyze the problem b. Define the problem d. Identify possible solutions

A

Personal computers are typically used for all of the following EXCEPT: ____. a. presentations c. writing papers or letters b. connecting to the Internet d. playing games

A

Sara can run the defragmentation utility on her ____ drive. a. hard c. locked b. network d. All of the above

A

Sensors inside a(n) ____ mouse determine the direction and distance of the movement. a. mechanical c. wireless b. optical d. trackball

A

Tristan looks at the ____ that comes with his computer to make sure it includes a guarantee about the product. a. warranty c. service agreement b. support agreement d. manual

A

When cleaning a printer, do all of the following EXCEPT ____. a. clean all of the parts of the printer c. wear latex gloves to protect your hands b. use a water and vinegar solution d. make sure no fluid gets inside the printer

A

Which of the following is NOT true about damaged media? a. If the media is damaged by water, restart the computer. c. If media is damaged by fire, leave it in the case. b. If the media is wet, seal it in an airtight bag to keep it wet. d. You can locate a disaster data recovery company to help recover data.

A

2. Data is ____. a. text, numbers, sound, images, or video. c. output b. information d. software

A

7. Laser printers and inkjet printers are examples of ____ printers. a. nonimpact c. obsolete b. impact d. specialized

A

8. CPU stands for Central ____ Unit. a. Processing c. Port b. Programming d. Precision

A

A(n) ____ can connect up to 127 peripheral devices with a single connector and transfer data at rates of up to 200 million bits per second. a. USB port c. FireWire b. expansion slot d. IEEE 1394 bus

A

10. Which of the following is NOT true about devices such as the one in the above figure? a. You use a stylus to point to objects. b. It reacts to direct touches within the display area. c. You can find these screens in airports, banks, and fast-food restaurants. d. Many mobile devices also have these types of screens.

A

12. Java, COBOL, and C++ are all examples of ____ languages. a. programming c. basic b. machine d. binary

A

15. When Gemma starts Microsoft Word, the computer loads the word-processing instructions into ____. a. RAM c. the operating system b. ROM d. the motherboard

A

16. As Gemma works, the amount of time it takes the CPU to execute an instruction such as printing her document, and store the results in RAM is called the ____ cycle. a. machine c. processing b. instruction d. execution

D

20. ____ discs are optical storage media that provide more than five times the storage capacity of traditional DVDs. a. CD-ROM c. Solid state b. DVD-R d. Blu-ray

D

5. A(n) ____ is a pressure-sensitive pointing device on a notebook computer that looks like a pencil eraser. a. touchpoint c. trackball b. touchpad d. pointing stick

D

7. The above figure shows an example of a(n) ____. a. CPU c. system unit b. circuit board d. motherboard

D

8. Which of the following is NOT a storage device for digital cameras? a. Memory stick b. USB key c. Mini-discs d. All of the above are storage devices for digital cameras.

D

9. ____ is a set of special instructions that control the activities of a computer. a. A program c. CPU b. Software d. Both a. and b.

D

A(n) ____ keyboard allows for a more natural positioning of your arms and hands. a. wireless c. touchpad b. optical d. ergonomic

D

Carolina learns that a(n) ____ mouse uses infrared waves to communicate with the computer. a. optical c. radio frequency b. optomechanical d. wireless

D