Computer science edexcel - Study guides, Revision notes & Summaries

GCSE EDEXCEL May 2024 Computer Science Paper 2 Actual PLS Booklet

GCSE EDEXCEL May 2024 Computer Science Paper 1 Mark Scheme

GCSE Edexcel Computer Science Exam Questions And Complete Solutions 1. Explain how binary is used to represent data (numbers, text, sound, graphics) and program instructions binary is used to represent all elements in a computer It is stored as a series of 0s and 1s These relate to the position of transistors (on or off) All analogue data stored is converted into digital (binary) 2 Explain the difference between unsigned and signed integers An unsigned integer can only represent positive...

GCSE Edexcel Computer Science Exam Questions And Complete Solutions 1. Explain how binary is used to represent data (numbers, text, sound, graphics) and program instructions binary is used to represent all elements in a computer It is stored as a series of 0s and 1s These relate to the position of transistors (on or off) All analogue data stored is converted into digital (binary) 2 Explain the difference between unsigned and signed integers An unsigned integer can only represent positive...

Computer Science Edexcel GCSE Exam Questions With Verified Correct Answers Graded A++ What is a data structure? An organised collection of related elements What is an array? an object used to store multiple values of the same data type in a single variable. What is a record? A data strutcure that stores a set of related elements of different data types. Each element in a record is known as a field. What is a field? An element in a record. REMINDER Learn python formatting What is d...

Computer Science Edexcel GCSE Exam Questions With Verified Correct Answers Graded A++ What is a data structure? An organised collection of related elements What is an array? an object used to store multiple values of the same data type in a single variable. What is a record? A data strutcure that stores a set of related elements of different data types. Each element in a record is known as a field. What is a field? An element in a record. REMINDER Learn python formatting What is d...

GCSE Edexcel Computer Science Exam Questions With Complete Solutions Graded A++ Explain how binary is used to represent data (numbers, text, sound, graphics) and program instructions binary is used to represent all elements in a computer It is stored as a series of 0s and 1s These relate to the position of transistors (on or off) All analogue data stored is converted into digital (binary) Explain the difference between unsigned and signed integers An unsigned integer can only represen...

GCSE Edexcel Computer Science Exam Questions With Complete Solutions Graded A++ Explain how binary is used to represent data (numbers, text, sound, graphics) and program instructions binary is used to represent all elements in a computer It is stored as a series of 0s and 1s These relate to the position of transistors (on or off) All analogue data stored is converted into digital (binary) Explain the difference between unsigned and signed integers An unsigned integer can only represen...