Pearson BTEC National IT (AAQ)

Devices, Software and IT Systems: revision quiz and key terms

Free practice for Devices, Software and IT Systems in Pearson BTEC National IT (AAQ). It covers: digital devices, peripherals, assistive technology, operating systems, software choice & emerging technologies. Try the questions, then check the key terms.

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Question 1 · Multiple choice

How many bits are in 4 bytes?

Question 2 · True or false?

RAM is volatile, so its contents are lost when the power is turned off.

Question 3 · Multiple choice

Which of these is an output device?

Question 4 · True or false?

1 terabyte is equal to 100 gigabytes.

Question 5 · Multiple choice

Which utility is designed to block unauthorised network connections?

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Key terms for Devices, Software and IT Systems

Augmented reality (AR): Digital content overlaid on a live view of the real world.
Cache: Small, very fast memory close to the processor for frequently used data.
Clock speed: The number of cycles a processor carries out each second, measured in GHz.
GUI: Windows, icons, menus and pointers controlled with a mouse or touch.
Optical disc: Media such as DVD or Blu-ray, read and written using a laser.
Solid-state drive (SSD): Flash storage with no moving parts; fast and robust but costlier per GB.
Specialist software: Designed for one particular task or industry, e.g. CAD or payroll.
User experience: How a person feels when using a system, including how easy and quick it is.

What Devices, Software and IT Systems covers

In RADevo this topic has a full topic test and a focused quiz for each part:

A1 Digital Devices: Features, Functions and Uses: Features (processor, memory, storage, connectivity, battery, portability), device types and their uses, and notation for storage, clock speed and data transfer.
A2 Peripheral Devices and Media: Input, output and storage peripherals, magnetic, optical, solid-state and cloud storage, accessibility devices and choosing peripherals and media.
A3 Computer Software in an IT System: Operating system roles and types, utility software, application software (bespoke, off-the-shelf, open source, proprietary), user interfaces and how software choice affects users.
A4 Choosing IT Systems: User experience, user needs, specifications, compatibility, connectivity, costs, efficiency, implementation, productivity and security.
A5 Emerging Technologies: AI and machine learning, AR and VR, the Internet of Things, wearables, 3D printing, robotics and automation, cloud advances, 5G, quantum computing and blockchain, and their impact on individuals and organisations.

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