Practice Quiz

MTEL Digital Literacy and Computer Science - Question List

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66.
Which of the following effects is the most important advantage of using algorithmic abstraction in computer programming?
  1. It allows for easier modification.
  2. It makes programs run faster.
  3. It removes platform dependence.
  4. It takes up less working memory.
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67.
The decimal number 125 is equivalent to which of the following hexadecimal numbers?
  1. 7D
  2. C5
  3. 77
  4. 80
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68.
The original basic ASCII character set was developed prior to the invention of the computer and was used for teletype machines. It encoded a set of characters using the decimal numbers from 0 to 127. How many bits were needed to encode a character in ASCII?
  1. 4
  2. 7
  3. 8
  4. 16
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69.
A computer user compresses several executable files into a single ZIP file. Which of the following statements best describes a characteristic of the ZIP file?
  1. The compressed file can be read by more file systems than the individual files.
  2. The files will be merged into a single file of the same type when they are compressed.
  3. When the files are decompressed, they will be identical to the original files.
  4. Redundant bits of information are lost during compression.
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70.
The concept of file synchronization is most relevant to which of the following situations?
  1. Online video gamers interact with each other in real time.
  2. A company schedules a backup program to run automatically each night.
  3. Employees collaborating from separate locations need their project files to contain the most recent modifications.
  4. A photographer uses a cloud storage account to manually upload and store images taken from a variety of mobile devices.
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