CompTIA A+ Essentials Quiz About Microprocessors!

10 Questions | Total Attempts: 616

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A Plus Essential Quizzes & Trivia

This is the basic practice test for CompTIA A+ Essentials. Are you really a computer geek? Do you really possess full-fledged technical knowledge when it comes to Hardware and microprocessors? If yes, then prove yourself by attempting this quiz and assess yourself where you stand. Try to score more. So, let's try out this quiz. All the best!


Questions and Answers
  • 1. 
    Which connector is being used on a serial port?
    • A. 

      9-pins male DB connector

    • B. 

      15-pins male DB connector

    • C. 

      25-pins female DB connector

    • D. 

      50-pins male DB connector

    • E. 

      20-pins female DB connector

  • 2. 
    What is flowcontrol?
    • A. 

      The possibility for a device to ask another device to stop sending data for a while.

    • B. 

      The possibility to change the flow of a port.

    • C. 

      Changing data transmission.

    • D. 

      Controlling the modem.

    • E. 

      Converting analog data to digital data.

  • 3. 
    What does SSP stand for?
    • A. 

      Standard Serial Port

    • B. 

      Standard Serial Program

    • C. 

      Socket Serial Protocol

    • D. 

      Standard Serial Programming

    • E. 

      Socket Standard Port

  • 4. 
    What does ESP stand for?
    • A. 

      Enhanced Serial Port

    • B. 

      Enhanced Socket port

    • C. 

      Enhanced Serial Protocol

    • D. 

      Enhanced Standard Protocol

    • E. 

      Enhanced Standard Port

  • 5. 
    What Does UART stand for?
    • A. 

      Universal Asynchronous Remote Transmitter

    • B. 

      Uni Asynchronous Receiver Transmitter

    • C. 

      Universal Asynchronous Receiver Transport

    • D. 

      Universal Asynchronous Receiver Transmitter

    • E. 

      Universal Asynchronous Resolution Transmitter

  • 6. 
    What does the UART chip do?
    • A. 

      Converts serial data to IDE device

    • B. 

      Converts the analog data to digital data and digital data to analog data.

    • C. 

      Transmits data over the phone line.

    • D. 

      Converts a serial port to a serial ATA device port

    • E. 

      Converts the parallel data to serial data and serial data to parallell data.

  • 7. 
      How many buses are connected as part of the 8085A microprocessor?
    • A. 

      2

    • B. 

      3

    • C. 

      5

    • D. 

      8

  • 8. 
    The ________ ensures that only one IC is active at a time to avoid a bus conflict caused by two ICs writing different data to the same bus
    • A. 

      Control Bus

    • B. 

      Control Instructions

    • C. 

      Address Decoder

    • D. 

      CPU

  • 9. 
    Single-bit indicators that may be set or cleared to show the results of logical or arithmetic operations are the:
    • A. 

      Flags

    • B. 

      Registers

    • C. 

      Monitors

    • D. 

      Decisions

  • 10. 
    The technique of assigning a memory address to each I/O device in the computer system is called:
    • A. 

      Memory-mapped I/O

    • B. 

      Ported I/O

    • C. 

      Dedicated I/O

    • D. 

      Wired I/O