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

COMPUTER SCIENCE OCR GCSE COMPONENTS OF A COMPUTER SYSTEM EXAM QUESTIONS AND ANSWERS

A concise revision guide for OCR GCSE Computing Paper 1 - includes detailed summaries of all the topics required

OCR GCSE COMPUTER SCIENCE PAPER 1 QUESTIONS AND ANSWERS OCR GCSE COMPUTER SCIENCE PAPER 1 QUESTIONS AND ANSWERS

List two components with which the CPU works to execute program instructions. Memory Input and Output Devices Describe the role of the Control Unit in the fetch-decode-execute cycle. The control unit coordinates the actions of the computer. It sends out control signals to other parts of the CPU and to other components of the computer. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen State the function ...

What do we mean by ethics? Ethics are moral principles, or rules, which govern a person's attitudes and behaviour What is a source code? The list of programming commands that are compiled into an executable program Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen What is open source software? · Software which is distributed with no restrictions · Users have access to source code . Users can make m...

OCR GCSE COMPUTER SCIENCE - PROGRAMMING (PAPER 2)EXAM QUESTIONS AND ANSWERS.

OCR GCSE Computer Science J276/01 Computer Systems Exam QuestionsAli’s tablet computer has an operating system. Complete the following description of the functions of an operating system by selecting theappropriate missing words from those in the box. user drivers directories hardware interface multitasking output peripherals printers processor RAM utility ROM running passwords faster volatile virtual The operating system provides a user .....................................................

What does the 'Operating System' do with peripheral devices? Allow the computer to communicate with them What does the word 'Interface' mean? A menu that the user can interact with Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:14 / 0:15 Full screen What is a GUI? Graphical User Interface If you are writing a document and you press print, does the program know how to communicate with the printer?...why? No, it...

INSTRUCTIONS • Use black ink. • Write your answer to each question in the space provided. If you need extra space use the lined pages at the end of this booklet. The question numbers must be clearly shown. • Answer all the questions. INFORMATION • The total mark for this paper is 80. • The marks for each question are shown in brackets [ ]. • This document has 20 pages. ADVICE • Read each question carefully before you start your answer.