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Technology Questions - All Grades

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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
In which phase(s) of software development is(are) programming, testing and documentation done?
  1. Implementation
  2. Evaluation
  3. Maintenance
  4. Implementation and Maintenance
Grade 10 PC Basics
Which of the following is NOT a function of Editor used in IDEs?
  1. Checks errors
  2. Indentation
  3. Provides different colors for variables
  4. Improves readability of the code
Grade 10 PC Basics
Which of the following is FALSE about compilers?
  1. It translates a program written in a high-level language into machine code
  2. A compiled code can be used multiple times without recompilation.
  3. In case an error is found in a line, the compiler prompts the user to correct the error.
  4. It optimizes the code.
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
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 7 Word Processing
Grade 9 Word Processing
Keys used to move the cursor up, down, left or right around the screen
  1. arrow keys
  2. shift keys
  3. enter keys
  4. function keys
Grade 9 Business Technology
Grade 6 Word Processing
Cancel
  1. Alt
  2. CTRL
  3. FN
  4. Esc
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
Grade 10 PC Basics
Which of the following is TRUE about kernels?
  1. Kernels are the control center of the operating system.
  2. Hardware operations are dealt by kernels.
  3. Kernel interacts with user applications.
  4. It is responsible for allocating resources according to the priority of the requests.
  5. All of the above
Grade 10 PC Basics
When is the output for an AND gate TRUE?
  1. When both inputs are TRUE.
  2. When at least one of the inputs is TRUE.
  3. When both inputs are FALSE
  4. When at least one of the inputs is FALSE.
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