The best way to remove the 'hash' signs error message in a spreadsheet is to...

• re-enter the formula or function in the cell

• format the cell using a different data type

• widen the column

• autofit the row height

The general term for techniques that rely on persuading people to give out personal information

• Pharming

• Spyware

• GIGO

• Social engineering

Which one of the following generally ranks the computers or devices from LEAST powerful to MOST powerful?

• Tablet PC, smartphone, notebook, desktop

• Smartphone, desktop, server, tablet PC

• Notebook, laptop, netbook, server

• Smartphone, netbook, laptop, server

Which one of the following is the most appropriate type of graph/chart to show how the petrol price has increased over the last ten years?

• Line chart

• Area chart

• Scatter chart

• Pie chart

Which one of the following is NOT an operating system associated with smartphones?

• iOS 7

• Android Jelly Bean

• Blackberry 10

• Windows 7

Which one of the following refers to software used by an operating system to communicate with a device such as a printer?

• Keylogger

• Driver

• Cookie

• Firewall

Which one of the following hardware items' specifications would usually be the LEAST important to consider when buying a new computer?

• RAM

• Blu-ray drive

• CPU

• Hard drive

Which one of the following is the best example of a 'good' or 'strong' password?

• 0826517843

• Mary

• QwertyUIOP

• Q@p7Y4$_gT8

Which one of the following refers to software causing advertising to appear in pop-up windows on your PC?

• Phishing nets

• Firmware

• Adware

• Application software

Which one of the following refers to software designed to run on smartphones, tablets, and other mobile devices?

• Shareware

• Open source software

• Apps

• Libraries