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Tenth Grade (Grade 10) Technology Questions

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Grade 10 PC Basics
Grade 10 PC Basics
Which of the following statement is FALSE about file management systems?
  1. Each file in a folder has a unique name.
  2. OS maintains a look-up table that contains the location of each file.
  3. Files are stored in a hierarchical system.
  4. Filename extension for a word document is .xls.
Grade 10 PC Basics
What is a register?
  1. High-speed data storage areas in the computer.
  2. High-speed data storage area that stores a bit in a computer.
  3. A storage area that is allocated to store the address of data.
Grade 10 PC Basics
What are the main components of a computer in von Neumann's architecture?
  1. Processor and input-output devices
  2. Processor, Memory unit and input-output devices
  3. CPU, monitor, keyboard and mouse
Grade 10 PC Basics
What is the difference between binary system and denary system?
  1. The denary system has a base value of 10, whereas the binary system has a base value of 2.
  2. The denary system has 10 different digits for representation, whereas the binary system has 2 different digits for representation.
  3. Binary system is understandable to computers, whereas the denary system is understandable to humans.
  4. All of the above.
Grade 10 PC Basics
What is the difference between these two images?
  1. Resolution
  2. Color depth
  3. Height and width of image
Grade 10 PC Basics
What is the difference between these two images?
  1. Color depth
  2. Resolution
  3. Number of pixels
  4. Height and width of image
Grade 10 PC Basics
How many different colors does an n-bit system represent?
  1. 2×n different colors
  2. 2^n different colors
  3. n^2 different colors
  4. None of the above
Grade 10 PC Basics
What is color depth?
  1. The number of bits used to indicate an image.
  2. The intensity of color at each pixel.
  3. The number of bits used to indicate a pixel.
Grade 10 PC Basics
Which of the following file formats has poor image quality when enlarged?
  1. JPEG
  2. Adobe Portable Document Format (PDF)
  3. Scalable Vector Graphics (SVG)
Grade 10 PC Basics
How are images displayed?
  1. As a matrix of 0’s and 1’s
  2. As a grid of pixels
  3. As a matrix of binary values
Grade 10 PC Basics
What are vector images?
  1. Images that use coordinates and geometrical shapes to define an image.
  2. Images that use an organized grid of colored squares.
  3. Images that are black-and-white.
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