Main Components of the Computer System

Harper is trying to identify an example of an input device. What would you suggest?

• Speaker

• Printer

• Keyboard

• Monitor

Answer explanation

A keyboard is an input device used to enter data into a computer. In contrast, a speaker and printer are output devices, while a monitor displays output, making the keyboard the correct choice for an input device.

Grace is working on her computer and needs to print her project. Which device should she use to display the output from her computer?

• Scanner

• Printer

• Monitor

• Keyboard

Answer explanation

Grace should use a monitor to display her project output. A monitor shows visual information from the computer, while a printer produces physical copies, a scanner digitizes documents, and a keyboard is for input.

Avery is studying computer science and wants to know what type of memory is referred to as main memory?

• Flash Memory

• Cache Memory

• ROM (Read-Only Memory)

• RAM (Random Access Memory)

Answer explanation

Main memory refers to RAM (Random Access Memory), which is used for temporary data storage while a computer is running. Unlike Flash, Cache, or ROM, RAM allows for quick read and write access, making it essential for active processes.

During a computer science class, Olivia asked her classmates to name a common secondary storage device.

• Solid state drive (SSD)

• USB flash drive

• Optical disc drive (ODD)

• Hard disk drive (HDD)

Answer explanation

The Hard Disk Drive (HDD) is a common secondary storage device used for storing large amounts of data. It is widely recognized and utilized in computers, making it the correct answer among the options provided.

Emma is trying to understand the function of a keyboard in a computer system. What is its primary role?

• The function of a keyboard in a computer system is to serve as an input device for data entry and command execution.

• To display images and videos on the screen.

• To store data permanently in the computer.

• To connect the computer to the internet.

Answer explanation

The primary role of a keyboard is to act as an input device, allowing users to enter data and execute commands, making it essential for interaction with the computer system.

Aiden is setting up his new computer and needs to identify an external hardware device.

• Monitor

• Printer

• Scanner

• Keyboard

Answer explanation

A printer is an external hardware device used to produce physical copies of documents. While a monitor, scanner, and keyboard are also external devices, the printer specifically fits Aiden's need for an external hardware device.

During a computer class, Emma asked her teacher about the purpose of RAM in a computer.

• To increase the computer's internet speed.

• To permanently store the operating system files.

• The purpose of RAM in a computer is to provide temporary storage for data and instructions that the CPU needs for quick access and processing.

• To manage the power supply of the computer.

Answer explanation

The correct choice explains that RAM provides temporary storage for data and instructions, allowing the CPU to access and process them quickly, which is essential for efficient computer operation.

Evelyn is looking for an example of a storage device that uses magnetic disks. Can you help her?

• Hard Disk Drive (HDD)

• CD-ROM

• USB Flash Drive

• Solid State Drive (SSD)

Answer explanation

The Hard Disk Drive (HDD) is a storage device that uses magnetic disks to read and write data. Unlike CD-ROMs, USB Flash Drives, and Solid State Drives, which use different technologies, HDDs specifically utilize magnetic disks.

Nora is trying to understand the difference between internal and external hardware devices for her computer project. What is the difference between internal and external hardware devices?

• Internal hardware devices are inside the computer case; external hardware devices are outside and connect to the computer.

• Internal devices require no power to operate.

• External devices are built into the motherboard.

• Internal devices are always faster than external devices.

Answer explanation

The correct choice explains that internal hardware devices are located inside the computer case, while external hardware devices are outside and connect to the computer, highlighting their physical placement.

During a class project, Mason needs to print out his research findings. Name a type of output device that produces hard copies.

• Printer

• Speaker

• Monitor

• Scanner

Answer explanation

A printer is an output device that produces hard copies of documents, making it the correct choice for Mason's need to print his research findings.