BTEC L3 IT - information systems

What type of operating system is commonly used on most personal computers and mobile computing devices?

• Single user , single task

• Multiple user operating system

• Single user, multi task operating system

A graphic design company has purchased new graphics tablets for all of its artists. Unfortunately the devices don’t seem to work with their computers. What is most likely the problem?

• The computers have a virus.

• The operating system is not performing multi-tasking correctly.

• The computer does not have the right device driver installed.

• There is a networking issue.

Stacy found that her computer is struggling to keep running when she has certain programs open. She has been told that the PC is using too much virtual memory . What is virtual memory?

• A portion of the hard disk that is used as an extension of your main memory.

• It's a nonsense term, it doesn't mean anything.

• Fast memory that is located on the CPU for quicker access.

• A portion of memory that is normally reserved for being used by applications.

What input and output devices are used in self-driving cars?

• Radar

• engine

• High resolution cameras

• Brakes

What are the advantages of a magnetic hard disk?

• Fairly large so less portable

• Not very durable if knocked or dropped

• Very large capacities

• Fast to access data

What are the disadvantages of a magnetic hard disk?

• Fairly large so less portable

• Not very durable if knocked or dropped

• Very large capacities

• Fast to access data

Are these benefits of automatic processing

• Car parks do not need to employ staff. A car park can make sure it has free spaces before allowing more cars

• in Smart meters can automatically update electricity and gas companies with meter readings so that bills are accurate

• Automatic seismometers can detect earthquakes instantly and help give warnings for tsunami that may be minutes away

• All the above

Does multitasking work by switching between programs by freeing up memory?

• True

• False

What is the effect of cheaper and faster processors on new technology?

• Mobile devices – processors can be made small and fast enough to power sophisticated operating systems and apps

• Devices can work slowly and more efficient

• Processor intensive applications – The ability is now available for ordinary people to record and edit 4K video with mobile phones and personal computers

What new technologies have emerged as a result of cheaper, smaller and more robust storage?

• Magnetic hard drive

• High quality cameras (HD and 4K) being added to phones

• Automatic cloud backups

• optical discs