Category: Old Higher

Higher – Summary Notes ISDD & SDD

Published with permission

Created by Mr. M. Hill and edited by Mr. J Brennan, thank you both for letting me share these here.

Good luck on the 22nd folks. Higher, please check your email for last minute notes.

Theme:	Answering programming questions in the exam
Subjects:	Higher Computing Science
Audience:	Student
When:	Wednesday, 9 May 2018 6:30 PM
Presented by:	Ian King, SCHOLAR Online Tutor for Computing Science
Session link:	http://heriot-watt.adobeconnect.com/scholarhomework (Enter as a Guest)

Theme:	Computer Architecture
Subjects:	Higher Computing Science
Audience:	Student
When:	Wednesday, 14 March 2018 6:30 PM
Presented by:	Ian King, SCHOLAR Online Tutor for Computing Science
Session link:	http://heriot-watt.adobeconnect.com/scholarhomework (Enter as a Guest)

Theme:	Relational Databases
Subjects:	Higher Computing Science
Audience:	Student
When:	Wednesday, 24 January 2018 6:30 PM
Presented by:	Ian King, SCHOLAR Online Tutor for Computing Science
Session link:	http://heriot-watt.adobeconnect.com/scholarhomework (Enter as a Guest)

Intraframe compression applies to compressing individual frames.

Interframe compression applies the compression to many frames and stores only what changes between each frame.

We also talked today about bitrate, this is the amount of data in a single second of data. This is normally measured in bps (bits per second).

Theme:	Standard Algorithms
Subjects:	Higher Computing Science
Audience:	Student
When:	Wednesday, 10 January 2018 6:30 PM
Presented by:	Ian King, SCHOLAR Online Tutor for Computing Science
Session link:	http://heriot-watt.adobeconnect.com/scholarhomework (Enter as a Guest)

Theme:	HTML and CSS
Subjects:	Higher Computing Science
Audience:	Student
When:	Wednesday, 13 December 2017 6:30 PM
Presented by:	Ian King, SCHOLAR Online Tutor for Computing Science
Session link:	http://heriot-watt.adobeconnect.com/scholarhomework (Enter as a Guest)

We have now finished Databases. Here is what you should know.

How to describe the structure of a database in terms of tables, records and fields.
The advantages of using relational databases.
The purpose of primary, surrogate, foreign and compound keys.
The differences between one-to-one, one-to-many and many-to-many relationships.
The purpose and uses of tables, forms and reports.
What is meant by a relationship in a database.
How to perform complex operations, such as performing a query, creating a form, creating a report.
A calculated field is one which is created using a query which calculates a result from one or more existing fields.

Theme:	Avoiding and correcting coding errors (Download worksheet)
Subjects:	Higher Computing Science
Audience:	Student
When:	Wednesday, 8 November 2017 6:30 PM
Presented by:	Ian King, SCHOLAR Online Tutor for Computing Science
Session link:	http://heriot-watt.adobeconnect.com/scholarhomework (Enter as a Guest)