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Questions and Answers
What are the three main components of a computer system?
What are the three main components of a computer system?
Which unit inside the computer executes instructions to perform arithmetic and logical operations?
Which unit inside the computer executes instructions to perform arithmetic and logical operations?
What is the most popular CPU measured in Megahertz (MHz) and Gigahertz (GHz)?
What is the most popular CPU measured in Megahertz (MHz) and Gigahertz (GHz)?
Which unit enters data into a computer from input devices such as keyboard and mouse?
Which unit enters data into a computer from input devices such as keyboard and mouse?
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Which of the following are examples of input devices for a computer system?
Which of the following are examples of input devices for a computer system?
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Study Notes
Components of a Computer System
- A computer system primarily consists of the hardware, software, and data components.
- Hardware refers to the physical elements such as the CPU, memory, and storage devices.
- Software includes the operating systems and applications that run on the hardware.
- Data serves as the information processed and stored by the system.
Execution of Instructions
- The Central Processing Unit (CPU) is the unit responsible for executing instructions and performing arithmetic and logical operations.
- Within the CPU, there are components such as the Arithmetic Logic Unit (ALU) that specifically handle mathematical calculations and logical comparisons.
Popular CPU Frequency
- The most prevalent CPUs operate within the range of Megahertz (MHz) and Gigahertz (GHz), with modern processors commonly exceeding billions of cycles per second (GHz).
- CPUs are typically categorized by their clock speed, indicating how many cycles they can perform in one second, which directly impacts performance.
Data Entry into a Computer
- The Input Unit manages the entry of data into the computer system.
- This unit interacts with input devices such as keyboards, mice, and scanners to capture user commands and data.
Examples of Input Devices
- Keyboard: For typing text and commands.
- Mouse: For navigating user interfaces and executing commands through point-and-click functions.
- Scanner: For digitizing documents and images.
- Microphone: For audio input in voice recognition applications.
- Joystick: For interactive gaming and simulation controls.
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Description
Test your knowledge on computer components, including hardware and software, with this quiz. Explore the fundamental parts of a computer system and enhance your understanding of internal and peripheral devices.
