Computer Systems Quiz

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Questions and Answers

What is the primary function of the input unit in a computer system?

  • To store data and instructions
  • To display results from the processing unit
  • To process data into usable information
  • To allow users to enter data into the computer (correct)

Which of the following is NOT considered an input device?

  • Mouse
  • Printer (correct)
  • Scanner
  • Keyboard

Which device can be classified as an input unit for capturing images?

  • Digital Camera (correct)
  • Monitor
  • Speaker
  • Hard Drive

Which component of a computer system is responsible for executing commands and instructions?

<p>Processing Unit (B)</p> Signup and view all the answers

What type of connection can networks consist of?

<p>Both wired and wireless connections (A)</p> Signup and view all the answers

Which device is primarily used for controlling the cursor's position on the screen?

<p>Mouse (C)</p> Signup and view all the answers

What is the primary function of a scanner in computer input?

<p>To input images and maps (A)</p> Signup and view all the answers

What is the main purpose of a digital camera?

<p>To capture and store digital images (B)</p> Signup and view all the answers

Which of these is NOT classified as a common input device?

<p>Monitor (D)</p> Signup and view all the answers

What is the main purpose of the Central Processing Unit (CPU) in a computer?

<p>To execute input/output and calculation/logic operations (C)</p> Signup and view all the answers

What is a primary function of a computer?

<p>To perform calculations and logical operations on data (C)</p> Signup and view all the answers

Which operation involves transforming input data into output data?

<p>Processing (A)</p> Signup and view all the answers

What is 'data' in the context of computers?

<p>Facts, symbols, numbers, and observations (A)</p> Signup and view all the answers

Which component of a computer is responsible for saving large amounts of data?

<p>Storage (C)</p> Signup and view all the answers

In the data processing flow, what is produced after data is processed?

<p>Information (D)</p> Signup and view all the answers

Flashcards

What is a computer?

An electronic device that receives, stores, and processes data according to instructions called programs.

What is data?

Raw materials for the computer, like numbers, symbols, or observations.

What is processing?

The process of transforming input data into useful output using instructions stored in the computer's memory.

What is output?

The result obtained from processing data, presented in formats like printed documents, digital images, or audio.

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What is storage?

Saving data in the computer's memory for future use.

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What is an input unit?

A physical device allowing users to enter data into a computer, like letters, numbers, or commands.

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What is the processing unit?

A key component of a computer that carries out instructions and processes data. It performs calculations and other operations.

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What is an output unit?

Any device that presents the results of a computer's processing to the user, like a screen or printer.

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What is the purpose of the memory unit?

A component of a computer system that stores data and instructions, enabling the computer to access and use them.

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What is a network?

A group of interconnected computers that share data and programs, allowing for communication and resource sharing.

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What is a mouse?

A crucial input device that controls the cursor's position on the screen. It enables users to click, drag, drop, and open windows.

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What is a scanner?

A device used to input images and maps into a computer. It converts physical images into digital data.

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What is a digital camera?

A device used to capture and store digital images, often used for photography or document scanning.

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What does the CPU do?

The brain of the computer responsible for executing instructions and performing calculations. It interprets and processes input, manages output, and controls calculations.

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What are other input devices?

These vary in purpose and function, including devices like styluses, microphones, joysticks, and plotters, used to provide input to a computer.

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