Computer Science Quiz

What do computers use to represent all data and instructions?

• Decimal

• Hexadecimal

• Binary

• Octal

What is a computer?

• A machine that requires constant user input

• A device that can only store data

• A programmable device that processes data

• A device that only outputs information

What is the primary difference between embedded and general-purpose systems?

• Embedded systems are designed for specific tasks, while general-purpose systems are designed for multiple tasks.

• General-purpose systems are faster than embedded systems.

• Embedded systems use more memory than general-purpose systems.

• General-purpose systems consume less power than embedded systems.

Which of the following is an example of an embedded system?

• Smartphone

• Laptop

• Desktop computer

• Coffee maker

What is an Operating System?

• Physical parts of a computer

• A keyboard

• A videogame

• Software that lets a user work with a computer

Windows, macOS and iOS are examples of:

• General Purpose Software

• Operating systems

• Application software

• Utility software

What is the main advantage of using a general-purpose system?

• It consumes less power.

• It can perform a wide range of tasks.

• It is more reliable for time-critical tasks.

• It has a smaller physical footprint.

How many digits does the decimal system use?

• 5

• 8

• 10

• 12

What is the binary equivalent of the decimal number 5?

• 110

• 101

• 100

• 111

How do you convert a binary number to a decimal?

• Multiply each digit by its place value and add them

• Divide each digit by its place value and add them

• Add all digits together

• Subtract each digit from its place value and add them