Computer Science Vocabulary Quiz 4th Grade

What is an algorithm?

• A type of flower

• A set of instructions or rules to be followed in problem-solving or calculation.

• A new type of computer

• A type of food

Explain the concept of an algorithm with an example.

• An algorithm is a type of dance move, such as the cha-cha or the tango.

• An algorithm is a type of tropical fruit, similar to a banana or a mango.

• An algorithm is a type of computer virus that can infect a system and cause damage.

• An example of an algorithm is the process of making a cup of tea, which involves specific steps such as boiling water, adding tea leaves, and letting it steep before adding milk and sugar.

Name two programming languages.

• Ruby

• HTML

• Java, Python

• C++

What is the binary system?

• A system that uses three digits to represent numbers

• A number system that uses letters to represent numbers

• A system that uses only odd numbers to represent data

• A number system that uses only two digits, 0 and 1, to represent all numbers and data.

How does the binary system differ from the decimal system?

• The binary system has 3 digits instead of 2.

• The binary system uses letters instead of numbers.

• The binary system uses only 0 and 1.

• The binary system is used for text encoding.

What are the main components of computer hardware?

• Operating system, software, applications

• Internet, network, router, modem

• CPU, RAM, storage devices, motherboard, GPU, power supply

• Keyboard, mouse, monitor, printer

Explain the function of a CPU.

• It displays images and videos on the screen.

• It performs instructions and processes data.

• It connects to the internet and downloads software.

• It stores files and documents.

Name two software applications and their uses.

• Microsoft Excel (spreadsheet editing)

• Microsoft Word (word processing) and Adobe Photoshop (photo editing)

• Adobe Illustrator (video editing)

• Google Chrome (web browsing)

What is this button?

• Maximize
• Close
• Minimize
• Close

What is this?

• Window
• Start Menu
• Internet
• Folder