Exploring Computer Science Basics

Who is known as the "Father of Computers"?

• Charles Babbage

• Alan Turing

• Bill Gates

• Steve Jobs

Answer explanation

Charles Babbage is known as the 'Father of Computers' for his design of the Analytical Engine, a mechanical general-purpose computer, which laid the groundwork for modern computing.

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DOK Level 1: Recall

What is the main function of the CPU in a computer?

• Store data

• Process data

• Display data

• Connect to the internet

Answer explanation

The main function of the CPU (Central Processing Unit) is to process data. It performs calculations, executes instructions, and manages data flow within the computer, making it essential for all computing tasks.

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DOK Level 1: Recall

Which of the following is a type of computer memory?

• CPU

• RAM

• Monitor

• Keyboard

Answer explanation

RAM (Random Access Memory) is a type of computer memory used for temporary data storage while a computer is running. The other options, CPU, Monitor, and Keyboard, are not types of memory.

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DOK Level 1: Recall

What is the primary difference between a laptop and a desktop computer?

• Laptops are portable

• Desktops have touch screens

• Laptops have more storage

• Desktops are battery-powered

Answer explanation

The primary difference is that laptops are portable, allowing users to easily carry them, while desktops are typically stationary and designed for use in a fixed location.

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DOK Level 1: Recall

Which device is primarily used for reading digital books?

• Smartphone

• E-reader

• Desktop

• Printer

Answer explanation

The primary device for reading digital books is an E-reader, designed specifically for this purpose, offering features like e-ink displays and long battery life, unlike smartphones, desktops, or printers.

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DOK Level 1: Recall

What does "RAM" stand for in computer terminology?

• Random Access Memory

• Read Access Memory

• Rapid Access Memory

• Real-time Access Memory

Answer explanation

"RAM" stands for "Random Access Memory," which is a type of computer memory that can be accessed randomly. This distinguishes it from other types of memory, making it the correct choice among the options provided.

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DOK Level 1: Recall

Which of the following is an example of an input device?

• Monitor

• Keyboard

• Printer

• Speaker

Answer explanation

A keyboard is an input device used to enter data into a computer. In contrast, a monitor, printer, and speaker are output devices that display, print, or produce sound, respectively.

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DOK Level 1: Recall

What is the main purpose of a computer's operating system?

• To perform calculations

• To manage hardware and software resources

• To display graphics

• To connect to the internet

Answer explanation

The main purpose of a computer's operating system is to manage hardware and software resources, ensuring that different programs can run efficiently and effectively on the computer.

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DOK Level 1: Recall

Which of the following is a characteristic of today's smartphones?

• They use vacuum tubes

• They have touch screens

• They require punch cards

• They are not portable

Answer explanation

Today's smartphones are characterized by their touch screens, which allow for intuitive interaction. In contrast, vacuum tubes, punch cards, and non-portability are outdated features not associated with modern smartphones.

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DOK Level 1: Recall

What is the main function of a computer's hard drive?

• To process data

• To store data

• To display data

• To input data

Answer explanation

The main function of a computer's hard drive is to store data. It provides a long-term storage solution for files, applications, and the operating system, unlike the CPU which processes data or RAM which temporarily holds data.

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DOK Level 1: Recall