Edexcel GCSE Computer Science

Edexcel GCSE Computer Science, Topic 4: Networks Exam Questions And Answers Already Passed LAN - local area network A network of computers within the same building, such as a school, home or business. It is not necessarily connected to the internet. WAN - wide area network When LANs are connected. Can connect organisations based in different geographical places. The internet is an example of this. Network topologies: bus Each computer and network device are connected to a single cable ...

Edexcel GCSE Computer science key questions And UPDATED ANSWERS Process for communication in the client-server network model. 1. The client uses the address of the server to make a connection. 2. The client sends a request to the server. 3. The server obtains the address from the client once the client makes a connection to the server. 4. The server sends the requested data to the client. Benefits of using subprograms when writing software solutions 1. Are written only once. 2....

Edexcel GCSE Computer Science, Unit 3: Computers Exam Questions And Answers With Complete Solutions Updated von Neumann architecture Computer design where processing instructions are stored in memory; the stored program concept Central Processing Unit (CPU) Hardware that carries out the computer's processing Bus Group of connections between devices in a computer ALU Arithmetic / logic unit: part of the CPU that performs calculations and logic operations Register Storage location ins...

Edexcel GCSE Computer Science Exam 2024 Updated Questions And Complete Answers What is a character? A letter,number or symbol on a given character set What is a string? A sequence of characters What is casting? Changing the data type of a variable What is a count-controlled loop? A loop that repeats a specific number of times (FOR loops) What is a condition controlled loop? A loop that runs until a condition is met (WHILE loops) When would you use a variable? When a value might n...

Edexcel GCSE Computer Science, Unit 1: Computational Thinking Exam Questions And Complete Answers Updated Algorithm Set of step-by-step instructions to complete a task, or solve a problem Decomposition Break down a problem into smaller sub-problems Abstraction Remove unnecessary information from a problem Pattern recognition Seeing similarities and differences in a range of problems Computational thinking Using methods to solve complex problems Flowchart Diagram that represents a...