AQA A LEVEL COMPUTER SCIENCE
2024 ALL IN ONE PACKAGE MERGED
QUESTION PAPERS AND MARK
SCHEMES WITH VERIFIED ANSWERS
GRADED A+
◉ Z. Answer: Set of all whole numbers (..., -2, -1, 0, 1, 2, ...)
◉ Q. Answer: Set of rational numbers (a/b where a, b ∈ N, b ≠ 0)
◉ R. Answer: Set of real Numbers (any number in the number system
disregarding Complex and imaginary numbers)
◉ Ordinal Number. Answer: Natural numbers which are used for
counting something (each natural number maps to a position of an object
in a list)
◉ Enumeration. Answer: The process of counting using the natural
numbers
◉ Number base. Answer: Specifies how many digits are used to
construct a numeral (decimal base 10 uses 0-1, binary base 2 uses 0-1)
◉ Bit. Answer: Binary Digit (0 or 1)
2024 ALL IN ONE PACKAGE MERGED
QUESTION PAPERS AND MARK
SCHEMES WITH VERIFIED ANSWERS
GRADED A+
◉ Z. Answer: Set of all whole numbers (..., -2, -1, 0, 1, 2, ...)
◉ Q. Answer: Set of rational numbers (a/b where a, b ∈ N, b ≠ 0)
◉ R. Answer: Set of real Numbers (any number in the number system
disregarding Complex and imaginary numbers)
◉ Ordinal Number. Answer: Natural numbers which are used for
counting something (each natural number maps to a position of an object
in a list)
◉ Enumeration. Answer: The process of counting using the natural
numbers
◉ Number base. Answer: Specifies how many digits are used to
construct a numeral (decimal base 10 uses 0-1, binary base 2 uses 0-1)
◉ Bit. Answer: Binary Digit (0 or 1)
