OCR • Computer Science

Key knowledge on development methodologies, types of software, types of programming languages, and everything under topic 1.2

Key knowledge on processors, secondary storage, input and output devices.

Provides an in-depth understanding to the 1.1: Characteristics of contemporary processors, input, output and storage devices. Collated from a variety of textbooks and past paper question mark schemes to give you all the knowledge required to tackle any style of question related to the topic.

OCR GCE A LEVEL COMPUTER SCIENCE PAPER 2 H446/02 JUNE 2022 FINAL MARK SCHEME; ALGORITHMS AND PROGRAMMING.

In depth but concise notes for topic 1.1.1 Structure and Function of the Processor. Sourced from numerous different textbooks and websites and condensed into a clear and easy to understand document for a guaranteed A - A*. Document includes: 1. Components of the CPU 2. Registers - special purpose registers and general purpose registers 3. Buses 4. Fetch - decode - execute cycle 5. CPU performance 6. Computer Architecture - Von Neumann, Harvard, Contemporary

Presentation Unit 6

OCR A LEVEL COMPUTER SCIENCE PAPER 2 H446/02 JUNE 2022 MARK SCHEME; ALGORITHMS AND PROGRAMMING. The array/data must be in order/sorted 1 1aii 1 mark per bullet • Compare the search item with the first value • ….then compare the search item with the next value • ….repeat the above process until either • ….the end of the array has been reached or • ….the search item is found and then stop • ….then return the array position // return -1 / False if not found 4 Not al...

OCR GCE A LEVEL COMPUTER SCIENCE PAPER 2 H446/02 JUNE 2022 FINAL MARK SCHEME; ALGORITHMS AND PROGRAMMING. OCR GCE A LEVEL COMPUTER SCIENCE PAPER 2 H446/02 JUNE 2022 FINAL MARK SCHEME; ALGORITHMS AND PROGRAMMING

from 2016 ocr practice papers to use for mock exam revision for a levels.

practice papers