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Phablessed's Shop

Average Rating3.50
(based on 2 reviews)

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.
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).
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.
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.
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.