S3 Computing Science quiz

Which of the items below is the odd one out?

• Arithmetic & logic unit

• RAM

• Control unit

• Registers

Answer explanation

The odd one out is RAM. The others are all part of the computer's processor.

The following binary number represents which denary number?

0101 0101

(a)  

Organise these peripherals into the correct categories

Groups:

(a) Input devices

,

(b) Output devices

,

(c) Backing storage devices

,

(d) Input and output devices

• Scanner

• Solid state drive

• Smart board

• Digital camera

• Touch screen

• Data projector

• Hard disk

• USB pen

• Headphones

• Keyboard

• Monitor

• V-R headset

Describe one way in which the negative impacts on the environment from use of computer systems can be reduced?

Answer explanation

Reduce monitor/screen brightness

Use power-down settings

Use standby/sleep mode

Look at the database below. Match the fields with their correct data type.

• Time

• ProfilePicture

• Text

• DateofBirth

• Object

• FirstName

• Date

• PupilID

• Number

• EnrolementTime

The following SQL query is created to find all of the students in the database with the last name "Smith". Fill in the blanks to complete the statement.​

(a)   * ​ (b)   Students​ (c)   LastName = "​ (d)   ​ ";

• SELECT
• FROM
• WHERE
• Smith

The following is an example of which requirement?

I need to be able to see a list of pupils who have enrolled in 2023.

• End-user requirement

• Functional requirement

Match the following programming languages with the function they serve in making web pages.

• JavaScript

• Used to program interactive features for a web page

• CSS

• Used to describe the content of a web page

• HTML

• Used to control the look of the web page