The Digital Revolution

Which one of these is NOT analogue?

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Fill in the blank: Digital devices use _____ ​ to represent values such as time, temperature, weight, sound, light or colours.

• binary code

• transmission

• continuous flow

• recordings

Fill in the blank: Analogue devices provide a _____ of information.

• movement

• analogous flow

• continuous transmission

Fill in the blank: Analogue signals can be converted to digital signals by breaking them down into many pieces or _____.

• sounds

• elements

• samples

• recordings

The hardware of the computer are made up of two parts: the internal and external elements. What are the two main elements of the internal hardware? Click two answers.

• in-built microphone

• central processing unit

• output speakers

• hard disc drive

What are some examples of a computer's external hardware? Click one or more answers.

• USB

• printer

• microphone

• webcam

• all options

What is the correct definition for the software, Malware?

• the communication between hardware devices and the operating system

• a type of software that can cause harm including - viruses, spyware and Trojan horses.

• programs based on specific tasks

• the ability to perform a variety of activities

Fill in the blank: The internet is a vast global network that lets computers communicate with each other. Binary data is transmitted by routers and then redirected by large, centralised computers called _____.

• engines

• browsers

• servers

• programs

How do search engines come up with their results? Click two answers.

• operating systems communicating with the CPU and hard disc drive

• hardware connection to the software.

• automatic programs called bots collect information about millions of webpages.

• search engines use their own algorithm that differs from each other so that their results are unique from the others.