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Tenth Grade (Grade 10) PC Basics Questions

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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
Which of the following is NOT a function of an operating system?
  1. Allowing multiple applications to run at the same time.
  2. Allocating memory for programs and applications running on the computer.
  3. Handling the HTTP requests in web pages.
  4. Managing and organizing files and directories.
  5. None of the above
Grade 10 PC Basics
Which of the following is NOT an example of an embedded computer?
  1. DVD player
  2. Digital watch
  3. Keyboard
  4. GPS
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 these two images?
  1. Color depth
  2. Resolution
  3. Number of pixels
  4. Height and width of image
Grade 10 PC Basics
Where is a program loaded to start its execution?
  1. Storage drive
  2. Random Access Memory
  3. Program counter
  4. Flash drive
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
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
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.
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
What is the function of the disk defragmentation utility?
  1. To change the cluster size of memory.
  2. To repair the damaged parts of memory.
  3. To reassemble small parts of clusters that are free.
Grade 10 PC Basics
What is the Boolean expression for OR gate?
  1. X=A^B
  2. X=A˅B
  3. X=A*B
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