How Cellphone Works Quiz

20 Questions | Total Attempts: 72

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Welcome BSET 2nd Year Students to our 4th Online Short Quiz in ELS 24-Electronics Workshop Practice 2. Let us see and test how far did you understand the topics/lessons which had been discussed this past few weeks. Before taking the quiz, kindly consider watching this video to fully understand how does a cell phone works as one of the convenient medium of communication. You may also add your insights about what have transpired after watching the video by posting your comments below. This Multiple Choice quiz is only good for 10 minutes. You only have one attempt to take the exam so make the best out of it. Good Luck!


Questions and Answers
  • 1. 
    It separates the spectrum into distinct voice channels by splitting it into uniform chunks of bandwidth.
    • A. 

      CDMA

    • B. 

      FDMA

    • C. 

      TDMA

    • D. 

      PDMA

  • 2. 
    The first company to produce a handheld mobile phone.
    • A. 

      Nokia

    • B. 

      Motorola

    • C. 

      Samsung

    • D. 

      Apple

  • 3. 
    The first mobile phone ever made invented by Martin Cooper on April 3, 1973.
    • A. 

      Nokia 1011

    • B. 

      Samsung SC-1000

    • C. 

      Motorola DynaTAC 8000x

    • D. 

      Orbitel 901

  • 4. 
    It pertains to device where both transmitters use the same frequency but only one party can talk at a time.
    • A. 

      Half-duplex

    • B. 

      Full-duplex

    • C. 

      Transceiver

    • D. 

      Transmitter

  • 5. 
    A unique 32-bit number programmed into the phone when it is manufactured
    • A. 

      Electronic Serial Number

    • B. 

      Mobile Identification Number

    • C. 

      System Identification Code

    • D. 

      Roaming Number

  • 6. 
    Central office that  handles all of the phone connections to the normal land-based phone system and controls all of the base stations in the region.
    • A. 

      Mobile Telecom Switching Office

    • B. 

      Mobile Telephone Sending Office

    • C. 

      Mobile Transmitting and Switching Office

    • D. 

      Mobile Telephone Switching Office

  • 7. 
    A 10-digit number derived from your phone's number
    • A. 

      Electronic Serial Number

    • B. 

      Mobile Identification Number

    • C. 

      System Identification Code

    • D. 

      Roaming Number

  • 8. 
    A unique 15-bit number that is assigned to each carrier by the Federal Communications Commission (FCC)
    • A. 

      Electronic Serial Number

    • B. 

      Mobile Identification Number

    • C. 

      System Identification Code

    • D. 

      Roaming Number

  • 9. 
    A cell phone standard that uses a range of frequencies between 824 megahertz (MHz) and 894 MHz for analog cell phones. 
    • A. 

      Amplified Mobile Phone System

    • B. 

      Advanced Mobile Phone Service

    • C. 

      Alternative Mobile Phone System

    • D. 

      Advanced Mobile Phone System

  • 10. 
    A version of AMPS which incorporates some digital technology to allow the system to carry about three times as many calls as the original version. 
    • A. 

      Narrowband Amplitude Mobile Phone Service

    • B. 

      Network band Advanced Mobile Phone Service

    • C. 

      Narrowband Advanced Mobile Phone Service

    • D. 

      Nanoband Advanced Mobile Phone Service

  • 11. 
    A process of  using two frequencies, one for binary ( 1s and the other for 0s), alternating rapidly between the two to send digital information between the cell tower and the phone. 
    • A. 

      Frequency Service Keeping

    • B. 

      Frequency Shift Keying

    • C. 

      Frequency Shift Keeping

    • D. 

      Frequency Service Keying

  • 12. 
    A highly customized processor designed to perform signal-manipulation calculations at high speed for cellphones.
    • A. 

      Digital Signal Processor

    • B. 

      Digital System Processor

    • C. 

      Digital Servicel Processor

    • D. 

      Direct Signal Processor

  • 13. 
    An access method that  uses a narrow band that is 30 kHz wide and 6.7 milliseconds long is split time-wise into three time slots.
    • A. 

      CDMA

    • B. 

      FDMA

    • C. 

      TDMA

    • D. 

      PDMA

  • 14. 
    After digitizing data, it spreads it out over the entire available bandwidth. 
    • A. 

      CDMA

    • B. 

      FDMA

    • C. 

      TDMA

    • D. 

      PDMA

  • 15. 
    A standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation (2G) digital cellular networks used by mobile phones, become the default global standard for mobile communications.
    • A. 

      Global System for Mobile Communications

    • B. 

      Global Standard for Mobile Communications

    • C. 

      Global Satellite for Mobile Communications

    • D. 

      Global Standard for Mobile Channels

  • 16. 
    The cellular phone got  its name from ___________
    • A. 

      The division of graphic area into cells

    • B. 

      Cellular membrane technology

    • C. 

      The grouping of different frequencies

    • D. 

      The transmission of data/radio waves to a receiving handheld device

  • 17. 
    The range served by each cell phone base station is about _____________
    • A. 

      5 square miles (13 square kilometers)

    • B. 

      10 square miles (26 square kilometers)

    • C. 

      25 square miles (65 square kilometers)

    • D. 

      50 square miles (100 square kilometers)

  • 18. 
    How do digital phones let more people within a cell talk at once?
    • A. 

      They transfer data quicker, so the frequencies aren't clogged.

    • B. 

      They convert voices into binary code, compressing the calls.

    • C. 

      They use higher frequencies than analog phones.

    • D. 

      They used variety of frequencies and the cellphone system selects one channel to talk at once

  • 19. 
    A locked phone __________________
    • A. 

      Can work with only one specific provider's service

    • B. 

      Can work only in a limited range within a network

    • C. 

      Can work with different service provider and unlimited range of network

    • D. 

      Has no SIM card

  • 20. 
    It provides storage for the phone's operating system and customizable features, such as the phone directory
    • A. 

      Microprocessor

    • B. 

      ROM

    • C. 

      RAM

    • D. 

      Display

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