TC- GCSE CS_Topic 2 Computer Systems- Lesson 1

Which of these devices are computers?

● Mobile phone

● Video game console

● A tablet

● Calculator

●Laser pointer

●Coffee machine

• All of them

• Mobile Phone

• Mobile Phone and Tablet

• Calculator and tablet

A programmable device that takes in data, processes it into useful information, and then outputs the information so it can be used. What am I talking about

• A computer

• A server

• A processor

• Input and Output

"devices that have a variety of uses, the user chooses the task for the computer to complete. "

• Embedded systems

• General purpose computers

"more specialised, they can only do a limited number of things, but they do them very well"

• General purpose computers

• Embedded systems

• Output device

What is not a feature of a general purpose computer?

• Used for many different types of tasks

• Lots of resources — memory, storage, CPU cores

• Most uses require a user

• Specialised to a specific task/set of tasks

Which is not a feature of embedded system?

• Specialised to a specific task/set of tasks

• Limited resources

• Lots of resources — memory, storage, CPU cores

• Often function without a user

"a large chip inside the computer. It is the brains of the computer: it controls everything." What is it?

• RAM

• CDU

• CPU

• ROM

"both readable and writable. You can add, change, and delete data stored in ????. It is volatile. When the computer is switched off, all the data stored in ???

? is lost.

It is fast to read/write What is it?

• RAM

• CDU

• CPU

• ROM

"Read-only memory and is non-volatile memory, which means it does not need power to keep the data inside it"

• RAM

• CDU

• CPU

• ROM

"The hard drive (sometimes called the hard disk) is the main storage device in your computer. If you have files and folders on your computer, they are stored on the hard drive. The operating system is also stored on the hard drive". Is this a hard drive description?

• True

• False