Revision topics - Jan 2017

Revision

In January we will be having a Year 10 Mock exam It will be a 1 hour paper This PowerPoint tells you all the topics that will be on the exam

Data Representation

Binary to Denary Denary to Binary Hexadecimal to Denary Hexadecimal to Binary Binary to Hexadecimal Representation of text Representation of processor instructions

Programming - definitions

Sequence Selection Iteration (definite and indefinite, pre and post tested loops) Data types (integer, floating point, string, Boolean) Variables Arrays

Programming -understanding

Know how to read pseudocode for a simple program Be able to trace the state of variables in a simple program for a particular input Be able to predict the outcome of a simple program for a given input Write pseudocode (does not have to be exact) to solve a simple problem Be able to spot errors in a program and suggest a suitable correction

Hardware - Storage

Know the difference between primary and secondary storage Understand the different roles of primary and secondary storage Know what volatile and non-volatile mean Know the difference between RAM and ROM Know examples of optical, magnetic and solid state media Know the advantages and disadvantages of different secondary storage devices

Hardware – The Processor

Know the purpose of the CPU Understand the fetch-decode-execute cycle Understand the role of the program counter Understand the role of the accumulator Understand the roles of the control unit Understand the role of the ALU

C++

Find syntax errors in simple C++ programs Predict the outcome of simple C++ programs Evaluate simple expressions