Ocr gcse computer science - Study guides, Revision notes & Summaries

Computational Thinking Applying the methods of computer scientists to problem solving Heuristics Making decisions based on past experience and human judgement Algorithm A methodical, logical rule or procedure that guarantees solving a particular problem Crowdsourcing Using the efforts of many people to produce a resource Computation An algorithmic operation that carries out a single numeric computation and stores the result.

Which data type will only use whole numbers? Integer Which data type will use whole numbers as well as decimals? Float (Real) Which data type will only work with sections of text? String Which data type stores single letters, numbers and symbols as text? Character Which data type will store a true or false value? Boolean What is an array? Arrays allow for us to store multiple items of information on a given topic under one name. Example: name = ["John"...

Platform A Combination of Hardware and operating system that supports the running of particular applications Application Software designed to carry out a useful real-world task Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Utility A single-purpose program normally used in the maintenance of computer systems Program A self-contained set of instructions that can be stored and used by the proce...

TCP This sets how devices communicate on a network, responsible for splitting the data into packets and reassembling the packets into the original order once they reach the desired device. IP The protocol responsible for packet switching. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen HTTP Used by web browsers to access websites and communicate with web servers. HTTPS A more secure version of...

GCSE OCR COMPUTER SCIENCE NETWORKS EXAM QUESTIONS FULLY SOLVED.

GCSE OCR COMPUTER SCIENCE NETWORK EXAM QUESTIONS AND CORRECT ANSWERS GCSE OCR COMPUTER SCIENCE NETWORK EXAM QUESTIONS AND CORRECT ANSWERS

GCSE Computer Science (OCR) EXAM REVISED [100% VERIFIED] Arithmetic Logic Unit (ALU) *Ans* Performs operations on data e.g. Addition, subtraction *Ans* CPU *Ans* Central Processing Unit Control Unit (CU) *Ans* Coordinating activities of the CPU Registers *Ans* Quick, small stores of data within the CPU Memory Address Register (MAR) *Ans* Holds memory address for data or a instruction about to be used by the CPU Memory Data Register (MDR) *Ans* Holds actual data or instruction Accumu...

GCSE Computer Science (OCR) EXAM REVISED [100% VERIFIED] Arithmetic Logic Unit (ALU) *Ans* Performs operations on data e.g. Addition, subtraction *Ans* CPU *Ans* Central Processing Unit Control Unit (CU) *Ans* Coordinating activities of the CPU Registers *Ans* Quick, small stores of data within the CPU Memory Address Register (MAR) *Ans* Holds memory address for data or a instruction about to be used by the CPU Memory Data Register (MDR) *Ans* Holds actual data or instruction Accumu...