BTEC Level 3 Computer Science - Unit 1,
Principles of Computer Science Exam
Questions And Answers
Abstraction - - -
correct answer ✅The process of discarding information that is not
useful in solving a problem.
Algorithm - - -
correct answer ✅A set of instructions for solving a problem.
Alphanumeric - - -
correct answer ✅Containing both letters and numbers.
Rounding - - -
correct answer ✅Expressing a number to the nearest thousandth,
hundredth, tenth, one, ten, hundred, thousand, and so on as
directed.
Truncating - - -
correct answer ✅Discarding all digits to the right of a particular
decimal place.
Arithmetic operations (+, -, *, /) - - -
correct answer ✅Add, Subtract, Multiply, and Divide
,BTEC Level 3 Computer Science - Unit 1,
Principles of Computer Science Exam
Questions And Answers
% Modulus - - -
correct answer ✅Divides left hand operand by right hand operand
and returns remainder. 8/3 = 2.
Array (1D, 2D etc...) - - -
correct answer ✅A list of data of the same type. All contained
within a single structure.
Binary Search - - -
correct answer ✅A search algorithm that starts at the middle of a
sorted set of numbers and removes half of the data; this process
repeats until the desired value is found or all elements have been
eliminated.
Boolean - - -
correct answer ✅A data type of either True or False
Branch - - -
correct answer ✅A decision in code, from something such as an IF
statement that changes what code is run.
, BTEC Level 3 Computer Science - Unit 1,
Principles of Computer Science Exam
Questions And Answers
Bubble Sort - - -
correct answer ✅A sorting algorithm where during a pass,
neighbouring values are compared and swapped. Passes are made
until no further swaps are needed.
Callback Function - - -
correct answer ✅A function that is triggered by another function
when something is true. A function in a function...
Character - - -
correct answer ✅A data type of a single character.
Class - - -
correct answer ✅Blueprint of an object. Objects can be
instantiated from the class.
Concatenation - - -
correct answer ✅Joining two strings together. eg.
print(name+scndname)
Principles of Computer Science Exam
Questions And Answers
Abstraction - - -
correct answer ✅The process of discarding information that is not
useful in solving a problem.
Algorithm - - -
correct answer ✅A set of instructions for solving a problem.
Alphanumeric - - -
correct answer ✅Containing both letters and numbers.
Rounding - - -
correct answer ✅Expressing a number to the nearest thousandth,
hundredth, tenth, one, ten, hundred, thousand, and so on as
directed.
Truncating - - -
correct answer ✅Discarding all digits to the right of a particular
decimal place.
Arithmetic operations (+, -, *, /) - - -
correct answer ✅Add, Subtract, Multiply, and Divide
,BTEC Level 3 Computer Science - Unit 1,
Principles of Computer Science Exam
Questions And Answers
% Modulus - - -
correct answer ✅Divides left hand operand by right hand operand
and returns remainder. 8/3 = 2.
Array (1D, 2D etc...) - - -
correct answer ✅A list of data of the same type. All contained
within a single structure.
Binary Search - - -
correct answer ✅A search algorithm that starts at the middle of a
sorted set of numbers and removes half of the data; this process
repeats until the desired value is found or all elements have been
eliminated.
Boolean - - -
correct answer ✅A data type of either True or False
Branch - - -
correct answer ✅A decision in code, from something such as an IF
statement that changes what code is run.
, BTEC Level 3 Computer Science - Unit 1,
Principles of Computer Science Exam
Questions And Answers
Bubble Sort - - -
correct answer ✅A sorting algorithm where during a pass,
neighbouring values are compared and swapped. Passes are made
until no further swaps are needed.
Callback Function - - -
correct answer ✅A function that is triggered by another function
when something is true. A function in a function...
Character - - -
correct answer ✅A data type of a single character.
Class - - -
correct answer ✅Blueprint of an object. Objects can be
instantiated from the class.
Concatenation - - -
correct answer ✅Joining two strings together. eg.
print(name+scndname)
