Operating Systems: Core Concepts

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Questions and Answers

What is the primary purpose of an operating system?

  • To manage computer hardware and software resources (correct)
  • To create application software
  • To design computer hardware
  • To connect to the internet

Which type of software is responsible for controlling a computer's basic operations?

  • System software (correct)
  • Middleware
  • Application software
  • Firmware

What is the role of a device driver?

  • To enable communication between the operating system and hardware devices (correct)
  • To translate high-level code into machine code
  • To manage the file system
  • To provide a graphical user interface

Which of the following is an example of application software?

<p>Web Browser (B)</p> Signup and view all the answers

What does 'GUI' stand for?

<p>Graphical User Interface (B)</p> Signup and view all the answers

What is the function of the kernel in an operating system?

<p>To manage low-level system operations (C)</p> Signup and view all the answers

Which of these operating systems is open source?

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

What is multitasking in an operating system?

<p>Running multiple applications at the same time (C)</p> Signup and view all the answers

What is Virtual Memory?

<p>A way to use a portion of the hard drive as RAM (D)</p> Signup and view all the answers

What is the purpose of a firewall?

<p>To protect a computer from unauthorized access (C)</p> Signup and view all the answers

Which of the following is a function of an OS?

<p>Resource allocation (B)</p> Signup and view all the answers

What is a command-line interface?

<p>An interface that uses textual commands (B)</p> Signup and view all the answers

What is the purpose of file management in an OS?

<p>To organize and store files (C)</p> Signup and view all the answers

What is the first program that loads when a computer is turned on?

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

Which of the following is a mobile operating system?

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

What is a computer virus?

<p>A malicious program that replicates itself (B)</p> Signup and view all the answers

What is the function of RAM in a computer?

<p>Temporary storage for running programs and data (A)</p> Signup and view all the answers

Which type of software helps protect a computer from malware?

<p>Antivirus software (B)</p> Signup and view all the answers

What is the role of a user account on an operating system?

<p>To provide personalized access and settings (A)</p> Signup and view all the answers

Flashcards

Communication Protocol

A set of rules governing how data is transmitted between devices.

Transmission Control Protocol (TCP)

Ensures data integrity and reliable data transfer between two nodes on a network.

User Datagram Protocol (UDP)

Used for faster connections that prioritizes speed over accuracy.

Dynamic Host Configuration Protocol (DHCP)

A protocol that allows devices to exchange information to dynamically discover and configure network settings.

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File Transfer Protocol (FTP)

Protocol that allows for reliable transfer of files between a client and server.

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Secure File Transfer Protocol (SFTP)

Secure version of FTP that encrypts the data and authentication credentials.

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Internet Message Access Protocol (IMAP)

Protocol used to retrieve email from a mail server.

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Simple Mail Transfer Protocol (SMTP)

Protocol used to send email from a mail client to a mail server.

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Domain Name System (DNS)

Protocol used to translate domain names to IP addresses.

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Hypertext Transfer Protocol (HTTP)

Protocol used for accessing web pages on the Internet.

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Hypertext Transfer Protocol Secure (HTTPS)

Secure version of HTTP that encrypts the data transmitted between a client and server.

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Secure Shell (SSH)

Securely connects to another computer over an unsecured network. It provides a secure encrypted connection.

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Virtual Private Network (VPN)

A virtual private network extends a private network across a public network.

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Bluetooth

Communication standard for short-range wireless interconnection of mobile phones, computers, and other electronic devices.

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Near Field Communication (NFC)

A technology that enables wireless communication between devices over a short distance.

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Bus

Collection of wires that carry data from one place to another on a computer.

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Data Cable

A single wire or a set of wires used to transmit data between different components or devices.

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Connector

A connector is a physical interface that allows two or more electronic components or devices to be joined together.

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Chipset

A chipset is a set of electronic components in an integrated circuit that manages the data flow between the processor, memory, and peripherals.

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CPU

The central processing unit (CPU) is the primary component of a computer that executes instructions.

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