Digital Electronics

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Q. Which of the following is a disadvantage of CMOS technology?
  • A. Higher power consumption
  • B. Slower speed
  • C. More complex fabrication
  • D. Susceptibility to noise
Q. Which of the following is a disadvantage of MSI circuits?
  • A. Higher cost than SSI
  • B. Increased power consumption
  • C. More complex design
  • D. Limited functionality
Q. Which of the following is a disadvantage of using PLDs?
  • A. High flexibility
  • B. Higher cost compared to fixed-function devices
  • C. Ease of use
  • D. Rapid prototyping
Q. Which of the following is a feature of ECL (Emitter Coupled Logic)?
  • A. Low power consumption
  • B. High speed
  • C. High noise margin
  • D. Low cost
Q. Which of the following is a popular HDL used for digital design?
  • A. C++
  • B. Verilog
  • C. Python
  • D. Java
Q. Which of the following is a programming language commonly used for web development?
  • A. HTML
  • B. CSS
  • C. JavaScript
  • D. All of the above
Q. Which of the following is a programming language primarily used for web development?
  • A. Python
  • B. Java
  • C. HTML
  • D. C++
Q. Which of the following is a special function register in the 8051?
  • A. Accumulator
  • B. Program Counter
  • C. Stack Pointer
  • D. All of the above
Q. Which of the following is a type of combinational logic circuit?
  • A. Multiplexer
  • B. Flip-flop
  • C. Counter
  • D. Register
Q. Which of the following is a type of PLD?
  • A. FPGA
  • B. Microcontroller
  • C. ASIC
  • D. Transistor
Q. Which of the following is a type of volatile memory?
  • A. ROM
  • B. Flash memory
  • C. RAM
  • D. Magnetic tape
Q. Which of the following is a valid application of De Morgan's Theorem?
  • A. NOT (A AND B) = NOT A OR NOT B
  • B. NOT (A OR B) = NOT A AND NOT B
  • C. A AND B = NOT (NOT A OR NOT B)
  • D. A OR B = NOT (NOT A AND NOT B)
Q. Which of the following is a valid hexadecimal number?
  • A. G1F
  • B. 1A3
  • C. Z45
  • D. B2G
Q. Which of the following is a valid octal number?
  • A. 89
  • B. 76
  • C. 57
  • D. 45
Q. Which of the following is an example of an MSI circuit?
  • A. AND gate
  • B. Multiplexer
  • C. Transistor
  • D. Resistor
Q. Which of the following is an example of volatile memory?
  • A. Hard Drive
  • B. SSD
  • C. RAM
  • D. ROM
Q. Which of the following is equivalent to A OR (A AND B)?
  • A. A
  • B. B
  • C. A AND B
  • D. A OR B
Q. Which of the following is equivalent to A OR A?
  • A. A
  • B. 0
  • C. 1
  • D. NOT A
Q. Which of the following is NOT a characteristic of a finite state machine (FSM)?
  • A. States
  • B. Transitions
  • C. Inputs
  • D. Variables
Q. Which of the following is NOT a characteristic of a PLD?
  • A. Programmability
  • B. High power consumption
  • C. Flexibility
  • D. Reusability
Q. Which of the following is NOT a characteristic of analog signals?
  • A. Continuous in time
  • B. Infinite resolution
  • C. Discrete values
  • D. Varying amplitude
Q. Which of the following is NOT a characteristic of MSI circuits?
  • A. Integration of multiple gates
  • B. Higher transistor count than SSI
  • C. Single function implementation
  • D. Cost-effective for complex designs
Q. Which of the following is NOT a characteristic of synchronous circuits?
  • A. Clock-driven
  • B. State changes occur at clock edges
  • C. Asynchronous inputs
  • D. Predictable timing behavior
Q. Which of the following is NOT a combinational logic circuit?
  • A. Adder
  • B. Multiplexer
  • C. Flip-Flop
  • D. Decoder
Q. Which of the following is NOT a feature of HDL?
  • A. Concurrent execution
  • B. Sequential execution
  • C. Data abstraction
  • D. User interface design
Q. Which of the following is not a mode of operation for the 8051 timer?
  • A. Mode 0
  • B. Mode 1
  • C. Mode 2
  • D. Mode 3
Q. Which of the following is NOT a mode of operation for the 8051 timers?
  • A. Mode 0
  • B. Mode 1
  • C. Mode 2
  • D. Mode 3
Q. Which of the following is NOT a type of cloud service?
  • A. IaaS
  • B. PaaS
  • C. SaaS
  • D. CaaS
Q. Which of the following is NOT a type of combinational logic circuit?
  • A. Adder
  • B. Multiplexer
  • C. Flip-flop
  • D. Decoder
Q. Which of the following is NOT a type of digital filter?
  • A. FIR Filter
  • B. IIR Filter
  • C. Analog Filter
  • D. All-Pass Filter
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