Quiz 1 - Intro To Computers

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Quizzes Created: 1 | Total Attempts: 80
Questions: 10 | Attempts: 80

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Quiz 1 - Intro To Computers - Quiz

Introductory level technology quiz


Questions and Answers
  • 1. 

    What does the acronym PC stand for?

    • A.

      Public computer

    • B.

      Personal computer

    • C.

      Policy company

    • D.

      Public corporation

    Correct Answer
    B. Personal computer
    Explanation
    The acronym PC stands for personal computer. This term refers to a computer that is designed for individual use, typically for tasks such as word processing, internet browsing, and multimedia consumption. Personal computers are commonly found in homes, offices, and educational institutions, and they have become an essential tool in today's digital age.

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  • 2. 

    What does the acronym TCP stand for?

    • A.

      Transport control policy

    • B.

      Technology control protocol

    • C.

      Technical computer processor

    • D.

      Transmission control protocol

    Correct Answer
    D. Transmission control protocol
    Explanation
    TCP stands for Transmission Control Protocol. It is a widely used protocol in computer networking that ensures reliable and ordered delivery of data packets over the internet. TCP breaks down large data into smaller packets and reassembles them at the destination. It also includes mechanisms for error detection, flow control, and congestion control to ensure efficient and accurate transmission of data.

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  • 3. 

    Which of following is NOT one of the layers in the Open Systems Interconnection (OSI) model?

    • A.

      Transport

    • B.

      Application

    • C.

      Physical

    • D.

      Security

    Correct Answer
    D. Security
    Explanation
    The Open Systems Interconnection (OSI) model consists of seven layers that define the different functions and protocols in a network. These layers are Physical, Data Link, Network, Transport, Session, Presentation, and Application. The layer that is NOT part of the OSI model is Security. While security is an important aspect of network communication, it is not considered as a separate layer in the OSI model. Instead, security is implemented across multiple layers to ensure the confidentiality, integrity, and availability of data.

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  • 4. 

    Which RAID level improves disk performance but doesn't provide any redundancy?

    • A.

      0

    • B.

      1

    • C.

      2

    • D.

      5

    Correct Answer
    A. 0
    Explanation
    RAID level 0, also known as striping, improves disk performance by distributing data across multiple disks. However, it does not provide any redundancy or fault tolerance. In RAID 0, if one disk fails, the entire array is at risk of data loss. Therefore, while RAID 0 enhances performance, it is not suitable for applications where data integrity and reliability are crucial.

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  • 5. 

    What does FQDN stand for?

    Correct Answer
    fully qualified domain name
    Explanation
    FQDN stands for fully qualified domain name. It is a complete and specific domain name that indicates the exact location of a specific resource on the internet. It includes the host name and the top-level domain, providing a complete address for a specific website or server. The FQDN is necessary for accurate and reliable communication over the internet, as it ensures that requests and data are directed to the correct destination.

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  • 6. 

    UDP is a ____________ protocol

    • A.

      Connetion-oriented

    • B.

      Connectionless

    • C.

      Wireless

    • D.

      Encryption

    Correct Answer
    B. Connectionless
    Explanation
    UDP (User Datagram Protocol) is a connectionless protocol. Unlike connection-oriented protocols, such as TCP, UDP does not establish a direct connection between sender and receiver before transmitting data. Instead, it simply sends data packets, called datagrams, without any guarantee of delivery or order. This makes UDP faster and more efficient for certain types of applications, such as streaming media or real-time communication, where a small amount of data loss is acceptable. However, it also means that UDP does not provide error checking or retransmission of lost packets, making it less reliable than connection-oriented protocols.

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  • 7. 

    The physical address of any network device is called the _____________?

    • A.

      IP address

    • B.

      Subnet mask

    • C.

      MAC address

    • D.

      Network IP

    Correct Answer
    C. MAC address
    Explanation
    The physical address of a network device is called the MAC address. This address is a unique identifier assigned to each network interface card (NIC) or network adapter. It is used to identify devices within a local network and is essential for the proper functioning of network communication. Unlike IP addresses, MAC addresses are assigned by the manufacturer and cannot be changed.

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  • 8. 

    The IEEE standard for wireless networking is ____________?

    • A.

      802.11

    • B.

      802.3

    • C.

      801.11

    • D.

      802.1

    Correct Answer
    A. 802.11
    Explanation
    The correct answer is 802.11. The IEEE standard for wireless networking is 802.11. This standard specifies the protocols and technologies used for wireless local area networks (WLANs). It defines the different variations of Wi-Fi, such as 802.11a, 802.11b, 802.11g, 802.11n, and 802.11ac, which provide different speeds and capabilities for wireless communication.

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  • 9. 

    Which of the following is not a benefit of unmanaged switches over hubs?

    • A.

      Eliminate collisions

    • B.

      Allow full deplex connections

    • C.

      Reduce broadcast domains

    • D.

      Improve security

    Correct Answer
    C. Reduce broadcast domains
    Explanation
    Unmanaged switches do not have the capability to reduce broadcast domains. A broadcast domain is a network segment in which all devices receive broadcast messages. Switches forward broadcast messages to all connected devices, whereas routers can separate broadcast domains. Therefore, reducing broadcast domains is not a benefit of unmanaged switches over hubs.

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  • 10. 

    What does the acronym SCSI stand for?

    • A.

      Small Computer Systems Interface

    • B.

      Serial Connected Storage Input

    • C.

      System Core Storage Interface

    • D.

      Serial Computer Storage Interface

    Correct Answer
    A. Small Computer Systems Interface
    Explanation
    SCSI stands for Small Computer Systems Interface. It is a set of standards for physically connecting and transferring data between computers and peripheral devices. SCSI allows multiple devices, such as hard drives, tape drives, and scanners, to be connected to a computer simultaneously, providing a high-speed and reliable data transfer interface.

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