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Questions and Answers
What is the abbreviation for ADC?
What is the abbreviation for ADC?
Analog to Digital Converter
What is the abbreviation for DAC?
What is the abbreviation for DAC?
Digital to Analog Converter
Name/list four input devices.
Name/list four input devices.
Possible answers include: Keyboard, Mouse, Microphone, Scanner.
What is the value of the following binary fingers on the right hand?
What is the value of the following binary fingers on the right hand?
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Calculate both the binary and decimal value of the following sets of binary lights.
Calculate both the binary and decimal value of the following sets of binary lights.
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Use an ASCII table to decode the following text, write the letter above the binary: 01010111 01101000 01100001 01110100 00100000 01101001 01110011 00100000 00110110 00100000 01110011 01110101 01100010 01110100 01110010 01100001 01100011 01110100 00100000 00110100 00111111
Use an ASCII table to decode the following text, write the letter above the binary: 01010111 01101000 01100001 01110100 00100000 01101001 01110011 00100000 00110110 00100000 01110011 01110101 01100010 01110100 01110010 01100001 01100011 01110100 00100000 00110100 00111111
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Study Notes
Digital Systems
- Analog devices: two examples include analog watches and analog phones
- ADC stands for Analog-to-Digital Converter
Input Devices
- Four input devices: keyboard, mouse, scanner, and microphone
Binary System
- The value of each finger on the right hand in binary is:
- Thumb: 2^4 = 16
- Index finger: 2^3 = 8
- Middle finger: 2^2 = 4
- Ring finger: 2^1 = 2
- Pinky finger: 2^0 = 1
Binary and Decimal Conversions
- Binary-to-decimal conversions:
- a) = (Binary value)
- b) = (Binary value)
- c) = (Binary value)
- The number of bytes in a 24-bit system is: 24 bits = 3 bytes
- The number of GB in a 2000 MB system is: 2000 MB = 2 GB
- The number of kB in a 5 MB system is: 5 MB = 5000 kB
- The number of MB in a 2.5 GB system is: 2.5 GB = 2500 MB
DAC
- DAC stands for Digital-to-Analog Converter
Output Devices
- Four output devices: monitor, printer, speaker, and projector
Unit Conversions
- Unit conversions:
- 1 kilobyte (kB) = 1024 bytes (B)
- 1 megabyte (MB) = 1024 kilobytes (kB)
- 1 gigabyte (GB) = 1024 megabytes (MB)
- 1 terabyte (TB) = 1024 gigabytes (GB)
ASCII Encoding
- The ASCII table is used to decode binary text into readable characters
- The decoded text is: (Answer)
- The answer written in bytes using the ASCII binary table is: (Binary Bytes)
- The original message contains 21 bytes and 168 bits
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Description
Test your knowledge on analog and digital devices with questions on analog devices, ADC, input and output devices, binary conversion, DAC, and conversion tables. This quiz covers various aspects of hardware components and data processing techniques.
