Digital Electronics

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Q. Which of the following is a characteristic of a binary multiplier circuit?
  • A. It can only multiply by 2
  • B. It uses shift and add method
  • C. It requires no clock signal
  • D. It can only handle 4-bit numbers
Q. Which of the following is a characteristic of a combinational logic circuit?
  • A. Output depends on past inputs
  • B. Output depends only on current inputs
  • C. Requires a clock signal
  • D. Can store data
Q. Which of the following is a characteristic of a D flip-flop?
  • A. It has two inputs: D and CLK
  • B. It can only store one bit of data
  • C. It changes state on the rising edge of the clock signal
  • D. All of the above
Q. Which of the following is a characteristic of a flip-flop?
  • A. It can store multiple bits
  • B. It is a combinational circuit
  • C. It has memory
  • D. It requires continuous power
Q. Which of the following is a characteristic of a half adder?
  • A. Can handle carry input
  • B. Produces sum and carry outputs
  • C. Requires three inputs
  • D. Is more complex than a full adder
Q. Which of the following is a characteristic of a Johnson counter?
  • A. Counts in binary
  • B. Has a feedback loop
  • C. Counts up only
  • D. Is a type of decade counter
Q. Which of the following is a characteristic of a multiplexer?
  • A. It can only handle binary inputs
  • B. It can select one input from multiple inputs
  • C. It converts binary to decimal
  • D. It is a type of memory device
Q. Which of the following is a characteristic of a ring counter?
  • A. It can count up and down
  • B. It has a feedback loop
  • C. It counts in binary
  • D. It requires more flip-flops than a binary counter
Q. Which of the following is a characteristic of CMOS technology?
  • A. It is faster than TTL
  • B. It can operate at lower voltages
  • C. It consumes more power than TTL
  • D. It is less noise tolerant than TTL
Q. Which of the following is a characteristic of HDDs compared to SSDs?
  • A. Faster read/write speeds
  • B. More durable
  • C. Higher capacity for lower cost
  • D. No moving parts
Q. Which of the following is a characteristic of open-source software?
  • A. It is always free
  • B. Its source code is available for modification
  • C. It is only available online
  • D. It requires a subscription
Q. Which of the following is a characteristic of RISC architecture?
  • A. Large number of instructions
  • B. Complex instruction formats
  • C. Load/store architecture
  • D. High power consumption
Q. Which of the following is a characteristic of SSDs compared to HDDs?
  • A. Slower data access
  • B. More durable
  • C. Higher power consumption
  • D. Louder operation
Q. Which of the following is a characteristic of TTL logic families?
  • A. High input impedance
  • B. Low power consumption
  • C. Faster switching speeds
  • D. Higher power consumption
Q. Which of the following is a common application of a digital-to-analog converter (DAC)?
  • A. Reading temperature sensors
  • B. Generating audio signals
  • C. Measuring voltage levels
  • D. Filtering noise
Q. Which of the following is a common application of a multiplexer?
  • A. Data routing
  • B. Data storage
  • C. Data encryption
  • D. Data compression
Q. Which of the following is a common application of a relay?
  • A. To amplify signals
  • B. To switch high voltage circuits with low voltage control
  • C. To measure current
  • D. To store energy
Q. Which of the following is a common application of shift registers?
  • A. Data storage
  • B. Data conversion
  • C. Data transmission
  • D. All of the above
Q. Which of the following is a common application of the Fast Fourier Transform (FFT)?
  • A. Image compression
  • B. Audio signal analysis
  • C. Data encryption
  • D. Error detection
Q. Which of the following is a common architecture for microprocessors?
  • A. CISC
  • B. RISC
  • C. Both CISC and RISC
  • D. None of the above
Q. Which of the following is a common file extension for a text file?
  • A. .exe
  • B. .txt
  • C. .jpg
  • D. .mp3
Q. Which of the following is a common file format for images?
  • A. .exe
  • B. .jpg
  • C. .docx
  • D. .mp3
Q. Which of the following is a common material used for the substrate in integrated circuits?
  • A. Silicon
  • B. Gallium arsenide
  • C. Germanium
  • D. All of the above
Q. Which of the following is a common method for implementing digital filters?
  • A. Fourier Transform
  • B. Z-Transform
  • C. Laplace Transform
  • D. Wavelet Transform
Q. Which of the following is a common operating system for personal computers?
  • A. Linux
  • B. Android
  • C. iOS
  • D. Windows
Q. Which of the following is a common type of PLD?
  • A. FPGA
  • B. Microprocessor
  • C. ROM
  • D. RAM
Q. Which of the following is a common unit of digital storage?
  • A. Gigabyte
  • B. Kilometer
  • C. Hertz
  • D. Newton
Q. Which of the following is a common use of FPGAs in digital design?
  • A. Data storage
  • B. Signal processing
  • C. Web development
  • D. Database management
Q. Which of the following is a common use of HDL in digital systems?
  • A. Creating software applications
  • B. Designing digital circuits
  • C. Writing operating systems
  • D. Developing web applications
Q. Which of the following is a commonly used HDL?
  • A. C++
  • B. Verilog
  • C. Python
  • D. Java
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