Monday, 15 June 2015

June 18th




STARTER

  • Express 11001101 as DENARY
  •   Express 233 as BINARY
  •     Express 233 as HEX
  •     Express 167 as HEX

SHOW YOUR WORKING

1.       First let’s finish our notes from Teach-ICT.com

CHALLENGE 1


The two tables Product and Supplier form a relational database used by a shoe shop.





(a)    State the primary key of the Supplier table and justify your choice.  (2) 




(b)   List the results of executing the following SQL query on the database above. (4)


SELECT Product.Name, Product.Quantity, Supplier.PostCode
FROM Product, Supplier WHERE Product.Quantity > 40 AND Supplier.Name = ‘Trainers4Us’
AND Product.SupplierCode = Supplier.SupplierCode 

(c)    Write an SQL statement to add the following data to the Product table:  (3)

444AA  Slippers  6.99  32  100  


CHALLENGE 2
(a)    Look at the Products table. Write an SQL statement that orders the products alphabetically by supplier name (3)

(b)   Look at the Products table. Write an SQL statement that orders the by the quantity with the largest first? (3)



Wednesday, 20 May 2015

Tuesday, 12 May 2015

Binary Logic Gates


The Binary Logic Gate workbook answers can be found at:

https://drive.google.com/drive/u/1/#folders/0B094zD02-dLYYnNtODNmYm9Gb3c




Tuesday, 21 April 2015

High Level v Low Level Languages


Question

Explain with examples the difference between high level and low level programming languages.  You need to say what they are and why they are used in relation to computer systems.  SHOW LINKS TO WEBSITES THAT YOU HAVE USED.

Reply to this post by 27th April.  AJT

Monday, 23 March 2015

GCSE Computing Revision Resources



Plan



23rd March 3.30pm Controlled Assessment in A 12

24th March P2 Controlled Assessment

25th March P3 Controlled Assessment

1045 Microsoft Apprenticeships Talk in A12

25th March P5 Controlled Assessment

13th April 3.30pm Revision A12

14th April P2 Progress Test

15th April P3 Database Management Systems

20th April 3.30pm Revision A12

21st April P2 HTML

22nd April CPHEE Day

27th April Revision

28th April P2 High Level v Low Level Languages

29th April P3 High Level v Low Level Languages

5th May P2 Past Paper Questions

6th May P3 and  P5 Past Paper Questions

11th May  3.30pm Revision A12

12th May P2 Past Paper Questions

13th May P3 Past Paper Questions

15th May A452 and A453 Marks must be submitted to OCR Exam Board

18th May 3.30pm Revision A12

19th May P2 Past Paper Questions

20th May P3 and  P5 Past Paper Questions

2nd June P4 and P5 Final Revision

3rd June 0845 Final Exam

Easter Revision Topics for Progress Test Immediately After Easter

CPU (FETCH EXECUTE DECODE)

SOFTWARE (DIFFERENT TYPES)

PROGRAMMING (CONSTRUCTS)

MEMORY AND STORAGE

DATA REPRESENTATION

Revision Websites

1. Teach-ICT.com    This is one of the best websites for revision for A451.


2. OCR GCSE Computing - This is an online course which follows the specification - you will have to enrol:

http://www.cambridgegcsecomputing.org/new-course

 Revision Documents

Click here for the Isambard school revision booklet.

Click here for a glossary of key learning points.

Click here for a glossary of key terms

Click here for Q and A booklet

Past Papers and mark schemes

Click here for past A451 papers and mark schemes.