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Tenth Grade (Grade 10) Technology Questions

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Grade 10 PC Basics
How many bits is present in 1 GiB?
  1. 2^10 bits
  2. 8 × 2^20 bits
  3. 8 × 2^30 bits
  4. 1024^3 bits
Grade 10 PC Basics
Which of the following statement is FALSE about ASCII character coding?
  1. The character codes of upper case characters have a smaller value when compared to lowercase characters.
  2. The ASCII code of uppercase characters starts at hex value 41
  3. The ASCII code of lowercase characters starts at hex value 60
Grade 10 PC Basics
What happens to the ASCII codes of characters in the Unicode system?
  1. ASCII codes are changed according to Unicode system
  2. All ASCII codes remain the same
  3. Some of the ASCII codes are changed while some remain unchanged.
Grade 10 PC Basics
Which of the following statement(s) is TRUE about Unicode?
  1. It uses a larger number of bits to represent a character.
  2. It represents characters of languages all over the world.
  3. Several code pages are used to represent Unicode.
  4. All of the above
Grade 10 PC Basics
Which of the following describes the conversion of denary numbers to the hexadecimal system?
  1. Convert to binary number and then, to hex
  2. Multiply each digit with powers of 16 (according to place values) and add them
  3. Divide the number by 16 and write down the remainders
Grade 10 PC Basics
What is the binary equivalent of the hexadecimal number A5?
  1. 10000101
  2. 10110101
  3. 10100011
  4. 10100101
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