6th Grade Computer Science Assessment

A keyboard is used to display information from a computer.

• True

• False

Answer explanation

A keyboard is not used to display information from a computer. It is used for inputting data and commands.

Imagine you're using a powerful computer to edit a high-resolution video. The reason this computer can process the video quickly and efficiently is because its CPU acts as the brain, performing calculations and executing commands.

• True

• False

Answer explanation

The CPU acts as the brain of a powerful computer, performing calculations and executing commands, enabling quick and efficient video processing. This makes the statement 'True' the correct choice.

In computer networking, devices communicate using binary information which can only consist of 0s and 1s.

• True

• False

Answer explanation

In computer networking, devices communicate using binary information consisting of 0s and 1s. Therefore, the correct answer is True.

Imagine you're working on a computer and you save a document. Is the RAM where this document is permanently stored?

• True

• False

Answer explanation

No, the RAM is not where the document is permanently stored. It is a temporary storage for data while the computer is running.

Consider a digital artist working on a detailed portrait on their computer. They zoom in to adjust colors pixel by pixel. In this context, is it correct to say that a pixel is a large element that makes up images on a computer screen?

• True

• False

Answer explanation

A pixel is a small element, not a large one, that makes up images on a computer screen. Therefore, the statement is false.

Imagine you're building a custom PC. The motherboard serves as the central platform where all your components like the CPU, RAM, and GPU will connect.

• True

• False

Answer explanation

The motherboard is the central platform where all components connect in a custom PC. This makes the statement 'True' the correct choice.

Software refers to the physical components of a computer.

• True

• False

Answer explanation

Software refers to the logical and intangible components of a computer, not the physical ones. Therefore, the correct choice is False.

Imagine you're working with a simple computer system that processes data in chunks. In this system, a byte is made up of 4 bits.

• True

• False

Answer explanation

In the given computer system, a byte is made up of 8 bits, not 4 bits. Therefore, the correct answer is False.

When developing a new software application, decomposition involves breaking the project into smaller, more manageable tasks such as designing the user interface, setting up the database, and implementing various functionalities.

• True

• False

Answer explanation

Decomposition involves breaking the project into smaller tasks like designing the UI, setting up the database, and implementing functionalities. This is true.

John is setting up his new computer and is connecting various peripherals. Which of the following devices that he is connecting would be considered an input device?

• Monitor

• Printer

• Keyboard

• Speaker

Answer explanation

The keyboard is considered an input device because it allows the user to input data and commands into the computer.