Podcast
Questions and Answers
How does signed-magnitude representation encode positive and negative numbers?
How does signed-magnitude representation encode positive and negative numbers?
- It uses two bits to represent the sign and the magnitude.
- It uses one bit to represent the sign, and the remaining bits represent the magnitude. (correct)
- It converts the number to its absolute value and adds a sign bit.
- It uses all bits to represent the magnitude, with a separate indicator for the sign.
What is the primary purpose of 'reclocking' in digital data processing?
What is the primary purpose of 'reclocking' in digital data processing?
- To refresh timing signals, ensuring accuracy and synchronization. (correct)
- To reduce the size of data packets.
- To increase the data transfer rate.
- To convert analog signals to digital signals.
Why is Pulse-Code Modulation (PCM) used?
Why is Pulse-Code Modulation (PCM) used?
- To filter noise from analog signals.
- To digitally represent analog signals. (correct)
- To amplify weak analog signals.
- To convert digital signals back to analog signals.
In computing, what is the 'radix point' analogous to in mathematics?
In computing, what is the 'radix point' analogous to in mathematics?
What is the primary function of 'run-length encoding'?
What is the primary function of 'run-length encoding'?
How does 'scientific notation' represent numbers?
How does 'scientific notation' represent numbers?
Besides numeric values, what is a 'string' primarily used for in computer science?
Besides numeric values, what is a 'string' primarily used for in computer science?
Under what condition would an 'overflow' error most likely occur in a computing environment?
Under what condition would an 'overflow' error most likely occur in a computing environment?
What is the main characteristic of a 'real' data type in programming?
What is the main characteristic of a 'real' data type in programming?
If a variable is defined as 'numeric', what type of values can it hold?
If a variable is defined as 'numeric', what type of values can it hold?
Flashcards
Numeric
Numeric
Any value that represents a number.
Overflow
Overflow
Condition where calculation result is larger than the maximum representable value with a given number of bits.
Pulse-code modulation (PCM)
Pulse-code modulation (PCM)
Digitally represents analog signals.
Radix point
Radix point
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Real
Real
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Reclocking
Reclocking
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Run-length encoding
Run-length encoding
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Scientific notation
Scientific notation
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Signed-magnitude representation
Signed-magnitude representation
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String
String
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Study Notes
- Numeric values are any value that is a number.
- Overflow is a condition in which a calculation goes above the maximum value that can be represented within a certain number of bits.
- Pulse-code modulation (PCM) is a technique used for digitally representing analog signals.
- The radix point is the decimal point in a number system that shows the separation between integer and fractional parts.
- Real numbers are a data type representing numbers that can have fractional parts, often called floating-point numbers.
- Reclocking is the process of refreshing the timing signals in digital data to ensure accuracy and synchronization.
- Run-length encoding is a compression method that replaces sequences of repeated characters with a single character and a count.
- Scientific notation represents very large or very small numbers by using powers of 10.
- Signed-magnitude representation is a way of encoding positive and negative numbers where one bit represents the sign, and the remaining bits are the magnitude.
- A string is a sequence of characters treated as a single data element and used for text manipulation.
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