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Phablessed's Shop

Producer and supplier of secondary computer science resources for key stage 3, key stage 4 and key stage 5. The owner has been teaching computer science since 2003 and taught students who have come out as top A Level computer science students for three different examination boards.

Producer and supplier of secondary computer science resources for key stage 3, key stage 4 and key stage 5. The owner has been teaching computer science since 2003 and taught students who have come out as top A Level computer science students for three different examination boards.
Processor Instruction set 1.4.4
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Processor Instruction set 1.4.4

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This presentation covers different addressing modes such as direct, immediate, indirect and indexed. It also covers symbolic addressing, assembly language instructions and two-pass assembler.
Binary Addition. Two different methods to add binary numbers
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Binary Addition. Two different methods to add binary numbers

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GCSE Binary addition. This resource teaches how to add binary numbers using two different methods. Each method is described and a demonstration of how it is used to add binary numbers follows . This is followed by exercises to reinforce the learning. I have used it with my year 9 classes and it worked very well even for less able pupils.
Pseudocode Basics
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Pseudocode Basics

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This resources explains what algorithms are, and explains the basics of pseudocode including variables, selection, loops, counting and totaling. It introduces the concepts of variables, selection, loops, counting and totaling with worked examples for each topic and challenge topics which combine two or more of the concepts explained. Scaffolding has been used to introduce each topic so it is not daunting for students. The resource could be used for at least 4 lessons after which your students should be very confident.
Introduction to Databases
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Introduction to Databases

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This resource is an introductory lesson for databases. It is suitable for KS3 or even KS4 students who are being introduced to databases as it explains the concepts of fields, records and primary keys. There are three activities (including a homework activity) that students can complete to enhance their understanding of these concepts.
Visual Basic Built-In functions
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Visual Basic Built-In functions

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This presentation covers VB string,formatting and random functions. It covers most of the VB.NET 2010 which are useful for the CIE, AQA and other examination boards for A Level.
Data security
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Data security

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This presentation covers data security, privacy and integrity. How to protect computer systems - user accounts and firewalls. It also covers authentication methods, digital certificates and signatures, backups and disk mirroring (raid 1).
Web layers and HTML
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Web layers and HTML

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This resource is suitable for key stage 3 and key stage 4. It covers the different web layers and introduces HTML using Brackets a lightweight
Data Transmission - GCSE
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Data Transmission - GCSE

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This presentation covers parallel and serial data transmission, simplex, half-duplex and duplex transmission. It also covers error checking with parity bits using odd, even and parity blocks and checksums.
Database Management Systems, DDL and DML.
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Database Management Systems, DDL and DML.

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This presentation has examples of SQL statements with exercises. It explains what DDL and DML are. It also has questions on E-R diagrams and Relational databases. It is suitable for CIE, AQA and OCR examination boards.
Database and data modelling
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Database and data modelling

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This resource covers flat files and relational databases. It explains access rights, advantages of relational databases and features of a relational database management systems.It also has an example of a program being used to connect to a relational database.
Python programming - Lesson 1
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Python programming - Lesson 1

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This resource is useful as an introductory lesson for python programming. It is suitable for years 7, 8 or 9 taking their first python programming lesson. It has cross-curricular inks with maths - working with number. The resource consists of a presentation, worksheet and a lesson plan. It covers the python IDE and explains float and int. The tasks are split into sections A and B. Section A could be completed/attempted by less able students. This is the first in a series of 8 python programming lessons to cover the data types, assignment (variables), selection, repetition and lists.
Introduction to Programming - Lesson 1 (suitable for Python and Visual Basic)
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Introduction to Programming - Lesson 1 (suitable for Python and Visual Basic)

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This is the first of 8 lessons introducing programming to students. Teaching programming should not be about teaching the language - its should be about the ability of students to breakdown a problem into simple instructions that they can write program code for. This unit teaches students about variables, selection If.., If...Else.., Case..., Loops (count-controlled, pre & post condition loops), arrays and subroutines. This resource covers pseudocode, Visual Basic and Python syntax.
Python programming Unit - Lesson 1
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Python programming Unit - Lesson 1

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This unit covers everything your students need to learn the basics of python programming. There are extension tasks for each lesson and the worked solutions for each task written in Python (zipped folder). The worked solutions from the second lesson upwards in the unit has comments explaining things like string.lower() and when it is used etc. The presentation scaffolds the topic making it easy for students to understand the concepts used.
Python programming Unit - Lesson 2
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Python programming Unit - Lesson 2

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This unit covers everything your students need to learn the basics of python programming. There are extension tasks for each lesson and the worked solutions for each task written in Python (zipped folder). The worked solutions from the second lesson upwards in the unit has comments explaining things like string.lower() and when it is used etc. This lesson covers selection starting from checking one condition only, then 2 conditions progressing to 5 conditions. The presentation scaffolds the topic making it easy for students to understand the concepts used.
Number representation
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Number representation

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This resource covers the binary, BCD and hexadecimal number system. It also covers the conversion from one number system to another and the expression of positive or negative integers in two's complement form.