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Questions and Answers
Which system is often used in binary code to represent text and data?
Which system is often used in binary code to represent text and data?
What is the term used to describe the pattern of binary digits assigned to each character or instruction in binary code?
What is the term used to describe the pattern of binary digits assigned to each character or instruction in binary code?
How many possible values can a binary string of eight bits represent?
How many possible values can a binary string of eight bits represent?
What are binary codes used for in computing and telecommunications?
What are binary codes used for in computing and telecommunications?
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In a fixed-width binary code, how is each character represented?
In a fixed-width binary code, how is each character represented?
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Which genre of music is most commonly associated with scratching?
Which genre of music is most commonly associated with scratching?
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What is the purpose of scratching in DJing?
What is the purpose of scratching in DJing?
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Which DJ competition is known for its scratching competitions?
Which DJ competition is known for its scratching competitions?
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What gear can DJs use in scratching competitions?
What gear can DJs use in scratching competitions?
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What are scratched 'hooks' in hip hop songs?
What are scratched 'hooks' in hip hop songs?
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Which term is used to describe the communication between a computer and the outside world?
Which term is used to describe the communication between a computer and the outside world?
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What are signals or data received by a computer called?
What are signals or data received by a computer called?
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Which of the following is an example of an input device?
Which of the following is an example of an input device?
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Which type of device typically performs both input and output operations between computers?
Which type of device typically performs both input and output operations between computers?
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What is the term used to describe the reaction of a system to an input?
What is the term used to describe the reaction of a system to an input?
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Which one of these is an example of an output device?
Which one of these is an example of an output device?
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Which term is used to describe the communication between a computer and the outside world?
Which term is used to describe the communication between a computer and the outside world?
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What is the purpose of I/O devices in computing?
What is the purpose of I/O devices in computing?
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Which one of these is an example of an input device?
Which one of these is an example of an input device?
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What determines whether a device is classified as an input or output device?
What determines whether a device is classified as an input or output device?
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Study Notes
Binary Code and Representation
- The system often used to represent text and data in binary code is the ASCII (American Standard Code for Information Interchange) system.
- The term used to describe the pattern of binary digits assigned to each character or instruction in binary code is the encoding scheme.
- A binary string of eight bits can represent 2^8 (256) possible values.
Binary Code in Computing and Telecommunications
- Binary codes are used to represent data, instructions, and text in computing and telecommunications.
- In fixed-width binary code, each character is represented by a fixed sequence of binary digits (bits).
DJing and Scratching
- Scratching is a genre of music most commonly associated with hip-hop.
- The purpose of scratching in DJing is to create rhythmic sounds and effects by moving a record back and forth on a turntable.
- The DJ competition known for its scratching competitions is the DMC World DJ Championships.
- DJs can use turntables, mixers, and controllers in scratching competitions.
- Scratched "hooks" in hip-hop songs are repeated phrases or melodies that are scratched to create a rhythmic effect.
Input/Output Devices and Communication
- The term used to describe the communication between a computer and the outside world is Input/Output (I/O).
- Signals or data received by a computer are called input.
- Examples of input devices include keyboards, mice, and scanners.
- Modems are devices that typically perform both input and output operations between computers.
- The term used to describe the reaction of a system to an input is response.
- Examples of output devices include monitors, printers, and speakers.
- The purpose of I/O devices in computing is to allow communication between the computer and the outside world.
- A device is classified as an input or output device based on its function, which determines the direction of data flow.
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Description
Test your knowledge of binary code and its use in representing text and computer instructions. This quiz will challenge you to identify the two symbols used in binary code, understand how bits are assigned to characters, and recognize the versatility of a byte in representing various possibilities.
