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