Category Archives: Computing Higher

2. Software Development, Computing Higher

Fixed loops

Today we looked at Fixed (unconditional) loops. In VB we use the FOR command to control the execution of the loop.

For .. Next loops are an example of “fixed loops” (unconditional).  This is because the number of times the action is executed is fixed in advance by the programmer, using the values of the StartNumber and EndNumber.

For Counter = StartNumber to EndNumber Step Size

Continue reading Fixed loops →

Computing Higher

Links

I have went through the links at the side of the page and have removed a few of the dead ones and tried where I can to find the new location of the pages. If you have found a link that you would like to post, please include it in your comment.

1. Computer Systems, Computing Higher, Homework

Homework – Software

  1. Describe the function of a bootstrap loader program. (1)
  2. Briefly describe the main purpose of each function of a single-user operating system (3)
  3. Describe the purpose of each of: –
    1. Virus checker (1)
    2. Disk defragmenter (1)
  4. Explain why there is a need for standard file formats. (1)
  5. Describe the differences between a JPEG and GIF graphic. (2)
  6. Describe the types of software that are required to produce a school web site and explain why you chose these types. (2)
  7. Identify the data objects and the operations that can be performed on them in the context of a spreadsheet program. (2)
  8. When selecting an Application package to perform a certain task the software compatibility needs to be addressed. Describe the checks that need to be made for each of memory requirements, storage requirements and operating systems. (3)
  9. Computer viruses are classed by three main types, file virus, boot sector virus and macro virus. For each type describe how the virus is delivered and how it operates. (3)
  10. Describe the anti-virus technique of heuristic detection. (1)
Total Marks 20
2. Software Development, 3. Multimedia, Computing Higher, Flash Based Learning

Adobe Generation

I thought this was worth sharing with you but it is not endorsed or approved by the school and is not required to complete the course.

Important Notice

A trial or fully licensed membership to Adobe® Creative Cloud™ will be needed to partake in this course. If you currently don’t have a membership it is recommended that you consider downloading a 30-day free trial of the products needed for the course. It is advised that the 30-day free trial is downloaded as close to the course start date as possible.

What is Adobe Generation?

Adobe® Generation is a series of free online courses designed for young people with a passion for creativity! If you want to know how to create stunning images, amazing animations, captivating videos, cool games and fab app designs then these courses are perfect for you!

There are five courses to choose from including; Photo Imaging, Animation, Video, Game and App Design and these will take place consecutively, from November 2013 through to June 2014. You can learn more about the courses by clicking on the links in the banner above or icons below.

Each course is five sessions long, with one live, online session per week lasting 90 minutes. These sessions will take place on a Tuesday evening, starting at 7pm UK time. All the sessions are recorded and are made available to everyone who has registered for the course, so if you miss the live event you can watch again at a time that suits you.

Every week, a piece of work will be set to complete and should take approximately 3 hours of your time. Weekly prizes will be awarded for the best work submitted and you may even see your work displayed on this website. At the end of each completed course you will also receive an Adobe certificate.

You can sign-up to as many of the free courses as you like so why not register your details today!

1. Computer Systems, Computing Higher, Homework

Homework – Networks

Topics 5 and 6 – Networking

  1. Explain the difference between LAN’s and WAN’s with reference to transmission media, bandwidths and geographical spread. (2)
  2. Explain the difference between a mainframe computer with terminals and a network of computers. (2)
  3. Explain the differences between client server and peer-to-peer networks. (2)
  4. On a LAN describe the functions of file, print and web servers. (2)
  5. Describe a bus topology in terms of nodes and channels. Describe the consequences of failure of a node and a channel. (2)
  6. Describe the functions of a hub, switch and router on a network with particular reference to the differences between a hub and a switch. (3)
  7. Explain why a network computer needs a network interface card (NIC). (1)
  8. Explain briefly why networks are becoming increasingly widespread. (2)
  9. Explain how a virus may be spread to a computer and how it then may take effect. (2)
  10. The access a user has on the network depends on their permissions. Explain what is meant by permissions giving as an example the permissions you may have on your own folder and a shared folder on the network. (2)
Total Marks 20