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CSC 101 Exam |Questions with 100% Correct Answers

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  • CSC 101
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  • CSC 101

CSC 101 Exam |Questions with 100% Correct Answers

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  • October 19, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CSC 101
  • CSC 101
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CSC 101 Exam |Questions with 100% Correct
Answers
What is compression? - ✔️✔️Reduction in the amount of space needed to store a piece of data



Why is compression important? - ✔️✔️It allows us to share data with others on the Web



What are the different compression methods? - ✔️✔️Lossless and Lossy



How is the compression-ratio determined? - ✔️✔️Size of the compressed data divided by size of
the original data



What is a desirable compression-ratio? - ✔️✔️A number between 1 and 0...low



Binary Representations - ✔️✔️One bit can either be 1 or 0



Signed Numbers - ✔️✔️When signed, the far left bit determines whether it is negative (1) or
positive (0)



Unsigned Numbers - ✔️✔️Always positive



What does it mean to digitize sound by sampling? - ✔️✔️Periodically measuring the voltage and
recording the numeric value



Optical Disks - ✔️✔️Use a laser to read, write, and erase data



What are examples of optical disks? - ✔️✔️CD, DVD, BD

, RGB Value - ✔️✔️Three numbers that indicate the relative contribution of each of these three
primary colors



Color Depth - ✔️✔️The amount of data that is used to represent a color



Pixel - ✔️✔️Individual dot



Resolution - ✔️✔️The number of pixels used to represent a picture



What are the different types of storage capacity? - ✔️✔️KB, MB, GB, TB, PB, EB



KB - ✔️✔️Kilobyte - 2^10 bytes



MB - ✔️✔️Megabyte - 2^20 bytes



GB - ✔️✔️Gigabyte - 2^30 bytes



TB - ✔️✔️Terabyte - 2^40 bytes



PB - ✔️✔️Petabyte - 2^50 bytes



EB - ✔️✔️Exabyte - 2^60 bytes



What makes up a processor/microprocessor/CPU/Microchip/Chip? - ✔️✔️Arithmetic Logic Unit
(ALU), Control Unit, and Registers

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