IGCSE Computer Science Revision - Paper 1

Data transmitted several bits at a time down several wires in both directions simultaneously

• Serial

• Parallel

Data transmitted several bits at a time down several wires in both directions simultaneously

• Simplex

• Half-duplex

• Full-duplex

Data is trasmitted one bit at a time down a single wire, the data is transmitted in both directions but not at the same time.

• Serial

• Parallel

Data is trasmitted one bit at a time down a single wire, the data is transmitted in both directions but not at the same time.

• Simplex

• Half-duplex

• Full-duplex

What is structure used for in a HTML document?

• CSS: To format/style the page

• HTML: To create a layout for the page & add content

What is presentation used for in a HTML document?

• CSS: To format/style the page

• HTML: To create a layout for the page & add content

True or False? Structure and Presentation in a HTML document are kept seperate

• True

• False

.JPEG is an example of a compressed file format

• True

• False

.GIF is an example of a compressed file format

• True

• False

.PNG is an example of a compressed file format

• True

• False