Pearson GCSE Computer Science - 1.2.2 Folllow & Write Algorithms

What is the purpose of using variables in programming?

• a) To store only one type of data
• b) To store and manipulate data
• c) To perform arithmetic operations
• d) To control the flow of the program

Answer explanation

Variables are used to store and manipulate data in a program.

What is the purpose of using constants in programming?

• a) To store data temporarily
• b) To store and manipulate data
• c) To store data that cannot be changed
• d) To control the flow of the program

Answer explanation

Constants are used to store data that cannot be changed during the execution of a program.

Which data structure is used to store a sequence of characters or text?

• a) Arrays
• b) Records
• c) Strings
• d) Constants

Answer explanation

Strings are used to store a sequence of characters or text in programming.

Which data structure is used to store related pieces of information under one name?

• a) Arrays
• b) Records
• c) Strings
• d) Constants

Answer explanation

Records are used to store related pieces of information under one name in programming.

Which data structure is used to store a collection of elements of the same type?

• a) Arrays
• b) Records
• c) Strings
• d) Constants

Answer explanation

Arrays are used to store a collection of elements of the same type in programming.

What is the purpose of using one-dimensional arrays in programming?

• a) To store a sequence of characters or text
• b) To store related pieces of information
• c) To store a collection of elements of the same type
• d) To store data that cannot be changed

Answer explanation

One-dimensional arrays are used to store a collection of elements of the same type in programming.

What is the purpose of using two-dimensional arrays in programming?

• a) To store a sequence of characters or text
• b) To store related pieces of information
• c) To store a collection of elements of the same type
• d) To store data in rows and columns

Answer explanation

Two-dimensional arrays are used to store data in rows and columns in programming.

What is the purpose of using variables in programming?

• a) To store only one type of data
• b) To store and manipulate data
• c) To perform arithmetic operations
• d) To control the flow of the program

Answer explanation

Variables are used to store and manipulate data in a program.

What is the purpose of using constants in programming?

• a) To store data temporarily
• b) To store and manipulate data
• c) To store data that cannot be changed
• d) To control the flow of the program

Answer explanation

Constants are used to store data that cannot be changed during the execution of a program.

Which data structure is used to store a sequence of characters or text?

• a) Arrays
• b) Records
• c) Strings
• d) Constants

Answer explanation

Strings are used to store a sequence of characters or text in programming.