CGS 2060 Final Exam Questions With Correct Answers

CGS 2060 Final Exam Questions With
Correct Answers

A desktop computer's RAM is measured in? - CORRECT ANSWER✔✔-
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gigabytes


One character of information, for example, a letter or a number consists
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of one ____ of storage - CORRECT ANSWER✔✔-byte
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Characteristics of a traditional hard drive - CORRECT ANSWER✔✔-- uses
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magnetic charges to store data
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-has a read/write head to detect magnetic charges
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- has physically moving platters
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To allow hard disk drive platters to spin more smoothly and cooler, some
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manufacturers seal the platters in ______ instead of air - CORRECT
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ANSWER✔✔-helium


Optical drives - CORRECT ANSWER✔✔--Blu-ray player
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- DVD drive
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,Blu-ray stores data using - CORRECT ANSWER✔✔-pits and lands that are
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read by a blue spectrum laser beam
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Advantages of using a USB drive instead of a DVD - CORRECT
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ANSWER✔✔--USB drive has shorter access time | | | | |




-USB drive is more durable
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Most desktop computers use _____ to store data - CORRECT
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ANSWER✔✔-magnetic hard drives | |




Audio file compression formats - CORRECT ANSWER✔✔-- WAV
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-MP4


Methods of using cloud storage - CORRECT ANSWER✔✔-- saving a
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photo on Flickr | |




- purchasing online storage space
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-emailing a file to yourself | | | |




Because of their capability of storing data in multiple hard drives, data
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warehouses use _____ technology to ensure redundant data storage -
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CORRECT ANSWER✔✔-RAID |

,Disadvantages of using cloud storage - CORRECT ANSWER✔✔-- Data | | | | | | | | |



stored on someone else's server can be accessed by anyone who has
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administrator privileges to the server | | | |




- data is only available if you're online
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One of the largest data requirements of the future will likely be _____ -
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CORRECT ANSWER✔✔-mapping patients' genomes
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Because it allows their files to be accessed from any device on the
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Internet, many users like to back-up their files using ______ storage -
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CORRECT ANSWER✔✔-cloud |




Capacity of a typical tablet - CORRECT ANSWER✔✔-16-256 GB
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Capacity of a DVD - CORRECT ANSWER✔✔-3-5 GB
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Capacity of a typical laptop - CORRECT ANSWER✔✔-500 GB- 1 TB
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Characteristics of cloud storage - CORRECT ANSWER✔✔-- users can | | | | | | | | |



download files to other devices on the internet
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- files are backed-up (stored on multiple servers)
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- servers act like giant hard drives
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, Which would be used to store a single bit of data? - CORRECT
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ANSWER✔✔--a transistor |




- a hole in a punch card
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The component of a computer that allows data to be retained after
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power is turned off is referred to as - CORRECT ANSWER✔✔-storage
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Video file compression formats - CORRECT ANSWER✔✔-- AVI
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-MP4
-QuickTime


Image compression format of JPEG or JPG - CORRECT ANSWER✔✔-most
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|popular lossy image compression format
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Image compression format of GIF - CORRECT ANSWER✔✔-legacy
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(outdated) lossless format | |




Image compression format of PNG - CORRECT ANSWER✔✔-most
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popular lossless image compression format
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CDs provide approximately _____ of data storage space - CORRECT
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ANSWER✔✔-700 MB |