Podcast
Questions and Answers
What distinguishes a mobile phone from a cable phone?
What distinguishes a mobile phone from a cable phone?
- Cable phones are handheld, mobile phones are not.
- Cable phones have internet, while mobile phones do not.
- Mobile phones require cable connections.
- Mobile phones are wireless devices with internet capabilities. (correct)
Software in a phone refers to the physical parts you can touch.
Software in a phone refers to the physical parts you can touch.
False (B)
What type of energy does a microphone convert sound energy into?
What type of energy does a microphone convert sound energy into?
electrical
If a microphone fails and the sender's voice cannot be heard, a possible solution is to the microphone by ______ing it with a brush.
If a microphone fails and the sender's voice cannot be heard, a possible solution is to the microphone by ______ing it with a brush.
In a mobile phone, what is the function of the speaker?
In a mobile phone, what is the function of the speaker?
A malfunctioning phone speaker can be diagnosed by checking DC and FM signals.
A malfunctioning phone speaker can be diagnosed by checking DC and FM signals.
What is a speaker type used in a keyboard phone?
What is a speaker type used in a keyboard phone?
For key______ phones, cables connect the key______ with the main
For key______ phones, cables connect the key______ with the main
Match the following terms with their descriptions:
Match the following terms with their descriptions:
Which of the following is considered a hardware component of a mobile phone?
Which of the following is considered a hardware component of a mobile phone?
Cleaning a smartphone's microphone fixes all types of microphone failures.
Cleaning a smartphone's microphone fixes all types of microphone failures.
What might be required if cleaning a smartphone's microphone does not solve the issue?
What might be required if cleaning a smartphone's microphone does not solve the issue?
When a speaker fails in a phone, you will not hear any coming from it.
When a speaker fails in a phone, you will not hear any coming from it.
Which factor distinguishes phone hardware from software?
Which factor distinguishes phone hardware from software?
A primary function of a mobile phone's microphone is to convert electrical energy into sound energy.
A primary function of a mobile phone's microphone is to convert electrical energy into sound energy.
Besides cleaning with a brush, what other maintenance step might resolve a microphone issue?
Besides cleaning with a brush, what other maintenance step might resolve a microphone issue?
Speakers in mobile phones transform energy into sound.
Speakers in mobile phones transform energy into sound.
What is the purpose of checking DC and FM signals when troubleshooting a phone speaker?
What is the purpose of checking DC and FM signals when troubleshooting a phone speaker?
All smartphone speaker issues can be resolved by cleaning the speaker.
All smartphone speaker issues can be resolved by cleaning the speaker.
In keyboard phones, what component is connected to the keyboard by a cable?
In keyboard phones, what component is connected to the keyboard by a cable?
Flashcards
Cable Phone
Cable Phone
First communication method in the universe, requiring a cable to transmit ideas.
Mobile Phone
Mobile Phone
Handheld wireless device with internet and phone capabilities.
Hardware
Hardware
Physical components of a phone, like the screen and buttons.
Software
Software
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Microphone (MIC)
Microphone (MIC)
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Microphone Solutions
Microphone Solutions
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Speaker (SPK)
Speaker (SPK)
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How to Check Speaker.
How to Check Speaker.
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Speaker Types
Speaker Types
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Speaker Solution
Speaker Solution
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Cable.
Cable.
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Study Notes
- The date is 21/12/2016 in these notes
Phone Types
- Cable phones were the first form of communication in the universe
- Cable phones need a cable to transmit ideas
- Mobile phones are handheld wireless devices with or without internet
Hardware vs. Software
- Hardware refers to the physical parts of a phone, which are tangible
- Software can be interacted with by touch and seen
Microphone (MIC)
- Microphones convert sound energy into electrical energy
- If the sender microphone fails, the sender's idea is not heard by the receiver
Possible Solutions for Microphone Issues
- Clean the microphone with a brush
- Repair and maintain the split point
- Remove and replace with another microphone
- Use a jumper to find the positive point on the board
- Smartphone microphones can be fixed using digital means
Speaker (SPK)
- Speakers convert electrical energy into sound energy
- Speaker failure results in no sound output from the phone
Checking Speakers
- Check using direct current (DC) to see if it has continuity
- Check using frequency modulation (FM) if your phone can use it
Speaker Types
- There are two types of speakers: smart phone speakers and keyboard phone speakers
Solutions for Speaker Issues
- Clean smartphone speakers
- Repair and maintain smartphone speakers, addressing splits in the cable
- These solutions are applicable only to smartphones because smartphone speakers are not present in keyboard phones
Keyboard Phone Considerations:
- Repair and maintenance of cable splits may be needed
- Issues between the board and cable may be present
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