IT Concepts & Terminology

Which of the following is NOT a primary function of the CPU?

• Executing instructions

• Performing calculations

• Storing data

• Controlling other components

Answer explanation

The CPU's primary functions include executing instructions, performing calculations, and controlling other components. Storing data is primarily handled by memory, not the CPU itself.

What does RAM stand for, and what is its primary purpose?

• Read-Only Memory, permanent storage

• Random Access Memory, temporary data storage

• Central Processing Unit, executes instructions

• Peripheral Component Interconnect, connects devices

Answer explanation

RAM stands for Random Access Memory, which is used for temporary data storage while a computer is running. It allows for quick read and write access to data, unlike Read-Only Memory (ROM) which is permanent.

Which of these is an example of an external component?

• Motherboard

• Hard drive

• Monitor

• RAM

Answer explanation

A monitor is an external component that displays output from the computer. In contrast, the motherboard, hard drive, and RAM are internal components that reside within the computer case.

What type of port is commonly used to connect a monitor to a computer?

• USB

• HDMI

• Ethernet

• PS/2

Answer explanation

The HDMI (High-Definition Multimedia Interface) port is commonly used to connect monitors to computers, as it supports high-quality video and audio transmission. Other options like USB and Ethernet are not standard for monitor connections.

Which component is responsible for long-term data storage?

• CPU

• RAM

• Hard drive

• Motherboard

Answer explanation

The hard drive is responsible for long-term data storage, retaining information even when the computer is powered off. In contrast, the CPU processes data, RAM temporarily holds data, and the motherboard connects components.

What is the primary function of an operating system?

• Run applications

• Manage hardware and software resources

• Connect to the internet

• Create documents

Answer explanation

The primary function of an operating system is to manage hardware and software resources, ensuring efficient operation and coordination between applications and system components.

Which of the following is NOT a common operating system?

• Windows

• macOS

• Microsoft Office

• Linux

Answer explanation

Microsoft Office is not an operating system; it is a suite of productivity software. In contrast, Windows, macOS, and Linux are all common operating systems used to manage computer hardware and software resources.

What type of software is Microsoft Word?

• Operating system

• Application software

• Utility software

• Programming language

Answer explanation

Microsoft Word is classified as application software because it is designed to help users create, edit, and format documents, unlike operating systems or utility software that serve different purposes.

What is the difference between commercial and open-source software?

• Commercial software is free, open-source is paid

• Commercial software is paid, open-source is free or has open licensing

• Commercial software is for businesses, open-source is for individuals

• Commercial software is more reliable, open-source is less reliable

Answer explanation

The correct choice highlights that commercial software typically requires payment, while open-source software is often free or available under open licenses, allowing users to modify and distribute it.

Which of the following is an example of open-source software?

• Microsoft Excel

• Adobe Photoshop

• LibreOffice

• macOS

Answer explanation

LibreOffice is an example of open-source software, meaning its source code is freely available for anyone to use, modify, and distribute. In contrast, Microsoft Excel, Adobe Photoshop, and macOS are proprietary software.