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Define a Computer.[2]2. What are the 4 basic operations of a computer? Explain each operation and adevice at each operation.[12]3. Define the following terms: IP Address, Subnet Mask, Default Gateway,DHCP, DNS, Mac Address.[12]4. Name any 3 components of a computer and explain each Use.[6]5. (a) Explain what the user is trying to do. Also explain the result.[12]C:\Users]limko>ping googlecomPinging google:com [216.58 223.142] with 32bytes of data:Reply from 216.58:223.142: bytes-32 time-226ms JTL=53Reply from 216 58.223.142:bytes-32 time-261ms TTL=S3Reply from 216.58.223.142: bytes 32time=15Sms 1TL=53Reply from 216.58.223.142: bytes-32 time=195ms TTL=53Ping statistics for 21658.223.142:Packets: Sent 4, Received 4 Lost = (e%% loss),Approximate round trip times in milli-seconds:Minimum =153ms, Maximum =261ms, Average = 208ms

Question

Define a Computer.[2]2. What are the 4 basic operations of a computer? Explain each operation and adevice at each operation.[12]3. Define the following terms: IP Address, Subnet Mask, Default Gateway,DHCP, DNS, Mac Address.[12]4. Name any 3 components of a computer and explain each Use.[6]5. (a) Explain what the user is trying to do. Also explain the result.[12]C:\Users]limko>ping googlecomPinging google:com [216.58 223.142] with 32bytes of data:Reply from 216.58:223.142: bytes-32 time-226ms JTL=53Reply from 216 58.223.142:bytes-32 time-261ms TTL=S3Reply from 216.58.223.142: bytes 32time=15Sms 1TL=53Reply from 216.58.223.142: bytes-32 time=195ms TTL=53Ping statistics for 21658.223.142:Packets: Sent 4, Received 4 Lost = (e%% loss),Approximate round trip times in milli-seconds:Minimum =153ms, Maximum =261ms, Average = 208ms

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Solution 1

  1. A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You can use a computer to type documents, send email, play games, and browse the Web. You can also use it to create or edit spreadsheets, presentations, and even videos.

  2. The four basic operations of a computer are input, processing, output, and storage.

    • Input: This is the process of entering data and instructions into the computer system. Devices used for input include keyboards and mice.
    • Processing: This is the operation of carrying out instructions given to the computer. The central processing unit (CPU) is the main device used for processing.
    • Output: This is the production of useful information, usually in the form of documents and reports. Devices used for output include monitors and printers.
    • Storage: This is the operation of storing data and instructions to make them readily available when needed. Devices used for storage include hard drives and flash drives.
    • IP Address: An Internet Protocol address is a numerical label assigned to each device participating in a computer network that uses the Internet Protocol for communication.
    • Subnet Mask: A subnet mask is a number that defines a range of IP addresses that can be used in a network.
    • Default Gateway: The gateway in a network that a computer will automatically use to access another network if no other gateway is specified.
    • DHCP: Dynamic Host Configuration Protocol is a network management protocol used on Internet Protocol networks whereby a DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network.
    • DNS: The Domain Name System is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network.
    • Mac Address: A media access control address is a unique identifier assigned to a network interface controller for use as a network address in communications within a network segment.
    • CPU (Central Processing Unit): This is the brain of the computer where most calculations take place.
    • RAM (Random Access Memory): This is the computer's "working memory". RAM temporarily stores information the CPU uses, helping the computer run faster.
    • Hard Drive: This is where software, documents, and other files are stored.
  3. The user is trying to test the network connection between their computer and the server hosting the "google.com" website. This is done by sending "ping" requests to the server and waiting for responses. The result shows that all four ping requests were successful, with round-trip times varying from 153ms to 261ms. This indicates a stable and relatively fast network connection.

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Solution 2

  1. A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You can use a computer to type documents, send email, play games, and browse the Web. You can also use it to edit or create spreadsheets, presentations, and even videos.

  2. The four basic operations of a computer are input, processing, output, and storage.

    • Input: This is the process of entering data and instructions into the computer system. Devices used for input include keyboards and mice.
    • Processing: This is the operation of carrying out instructions given to the computer. The central processing unit (CPU) is the main device used for processing.
    • Output: This is the production of useful information, usually in the form of documents and reports. Devices used for output include monitors and printers.
    • Storage: This is the operation of storing data and instructions to make them readily available when needed. Devices used for storage include hard drives and flash drives.
    • IP Address: This is a unique string of numbers separated by periods that identifies each computer using the Internet Protocol to communicate over a network.
    • Subnet Mask: This is used in IP addresses to indicate the bits that are used for network identification and those used for host identification.
    • Default Gateway: This is the device that connects a local network to the internet. It serves as the default route for devices in the network.
    • DHCP: Dynamic Host Configuration Protocol. This is a network protocol that enables a server to automatically assign an IP address to a computer from a defined range of numbers.
    • DNS: Domain Name System. This is the system that translates internet domain names into IP addresses.
    • Mac Address: This is a unique identifier assigned to a network interface controller for use as a network address in communications within a network segment.
    • CPU: The Central Processing Unit is the primary component of a computer that performs most of the processing inside the computer. It interprets and carries out the basic instructions that operate a computer.
    • RAM: Random Access Memory is a type of computer memory that can be accessed randomly. It is used to load and run applications, such as your operating system and your web browser.
    • Hard Drive: This is the hardware component that stores all of your digital content. Your documents, pictures, music, videos, programs, application preferences, and operating system represent digital content stored on a hard drive.
  3. The user is trying to test the network connection between their computer and the server hosting the domain "google.com". They are doing this by sending a ping, which is a network diagnostic tool used to test the reachability of a host on an Internet Protocol (IP) network and to measure the round-trip time for messages sent from the originating host to a destination computer. The result shows that all 4 packets sent were received back (0% loss), indicating a stable connection. The round-trip times in milliseconds for the packets are also displayed, with an average of 208ms.

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List and briefly define the four (4) main components of a computer.

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