Q. In which logic family would you expect to find the lowest propagation delay?
-
A.
TTL
-
B.
CMOS
-
C.
ECL
-
D.
BiCMOS
Solution
ECL has the lowest propagation delay among common logic families due to its design that allows for faster switching.
Correct Answer:
C
— ECL
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Q. In which logic family would you find the term 'fast' commonly associated?
-
A.
TTL
-
B.
CMOS
-
C.
ECL
-
D.
BiCMOS
Solution
The term 'fast' is often associated with ECL, which is designed for high-speed applications.
Correct Answer:
C
— ECL
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Q. In which logic family would you typically find a Schmitt trigger?
-
A.
TTL
-
B.
CMOS
-
C.
ECL
-
D.
BiCMOS
Solution
Schmitt triggers are commonly found in CMOS logic families due to their ability to provide clean transitions.
Correct Answer:
B
— CMOS
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Q. In which type of integrated circuit are both analog and digital functions combined?
-
A.
Digital IC
-
B.
Analog IC
-
C.
Mixed-signal IC
-
D.
Power IC
Solution
Mixed-signal ICs combine both analog and digital functions, allowing for versatile applications.
Correct Answer:
C
— Mixed-signal IC
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Q. What does 'in-system programming' mean in the context of PLDs?
-
A.
Programming the device while it is installed in the circuit
-
B.
Programming the device before installation
-
C.
Updating the software of the device
-
D.
Testing the device functionality
Solution
In-system programming refers to programming the PLD while it is installed in the circuit, allowing for easier updates.
Correct Answer:
A
— Programming the device while it is installed in the circuit
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Q. What does 'SSD' stand for in computer storage?
-
A.
Solid State Drive
-
B.
Super Speed Drive
-
C.
Standard Storage Device
-
D.
Solid Storage Disk
Solution
SSD stands for Solid State Drive, which is a type of storage device that uses flash memory to store data.
Correct Answer:
A
— Solid State Drive
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Q. What does a normally open (NO) switch do?
-
A.
Allows current to flow when closed
-
B.
Allows current to flow when open
-
C.
Always allows current to flow
-
D.
Never allows current to flow
Solution
A normally open (NO) switch allows current to flow only when it is closed.
Correct Answer:
A
— Allows current to flow when closed
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Q. What does ALU stand for in microprocessor terminology?
-
A.
Arithmetic Logic Unit
-
B.
Analog Logic Unit
-
C.
Arithmetic Linear Unit
-
D.
Analog Linear Unit
Solution
ALU stands for Arithmetic Logic Unit, which is responsible for performing arithmetic and logical operations in a microprocessor.
Correct Answer:
A
— Arithmetic Logic Unit
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Q. What does CMOS stand for in integrated circuit technology?
-
A.
Complementary Metal-Oxide-Semiconductor
-
B.
Common Metal-Oxide-Semiconductor
-
C.
Complex Metal-Oxide-Semiconductor
-
D.
Composite Metal-Oxide-Semiconductor
Solution
CMOS stands for Complementary Metal-Oxide-Semiconductor, a technology used for constructing integrated circuits.
Correct Answer:
A
— Complementary Metal-Oxide-Semiconductor
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Q. What does ECL stand for in logic families?
-
A.
Emitter-Coupled Logic
-
B.
Emitter-Common Logic
-
C.
Enhanced-Coupled Logic
-
D.
Electro-Coupled Logic
Solution
ECL stands for Emitter-Coupled Logic, which is known for its high speed but also has higher power consumption.
Correct Answer:
A
— Emitter-Coupled Logic
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Q. What does HDL stand for in the context of digital systems?
-
A.
High Definition Language
-
B.
Hardware Description Language
-
C.
High Data Language
-
D.
Hardware Design Logic
Solution
HDL stands for Hardware Description Language, which is used to describe the structure and behavior of electronic systems.
Correct Answer:
B
— Hardware Description Language
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Q. What does MSI stand for in the context of logic circuits?
-
A.
Medium Scale Integration
-
B.
Multiple Scale Integration
-
C.
Micro Scale Integration
-
D.
Massive Scale Integration
Solution
MSI stands for Medium Scale Integration, which refers to the integration of hundreds of gates on a single chip.
Correct Answer:
A
— Medium Scale Integration
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Q. What does PLD stand for in digital electronics?
-
A.
Programmable Logic Device
-
B.
Programmable Logic Design
-
C.
Programmable Logic Diagram
-
D.
Programmable Logic Development
Solution
PLD stands for Programmable Logic Device, which is used to implement combinational and sequential logic circuits.
Correct Answer:
A
— Programmable Logic Device
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Q. What does RAID stand for in storage technology?
-
A.
Redundant Array of Independent Disks
-
B.
Random Access of Integrated Drives
-
C.
Rapid Access of Internal Disks
-
D.
Redundant Access of Internal Drives
Solution
RAID stands for Redundant Array of Independent Disks, a technology that combines multiple disk drives for redundancy and performance.
Correct Answer:
A
— Redundant Array of Independent Disks
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Q. What does synthesis refer to in the context of HDL?
-
A.
Writing HDL code
-
B.
Converting HDL to gate-level representation
-
C.
Simulating the design
-
D.
Debugging the design
Solution
Synthesis refers to the process of converting HDL code into a gate-level representation that can be implemented in hardware.
Correct Answer:
B
— Converting HDL to gate-level representation
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Q. What does the 'LS' in '74LS00' stand for?
-
A.
Low Speed
-
B.
Low Power Schottky
-
C.
Low Signal
-
D.
Logic Standard
Solution
'LS' stands for Low Power Schottky, indicating a specific type of TTL logic family that uses Schottky diodes to improve speed.
Correct Answer:
B
— Low Power Schottky
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Q. What does the 'synthesizable' code mean in HDL?
-
A.
Code that can be simulated
-
B.
Code that can be converted to hardware
-
C.
Code that is easy to read
-
D.
Code that runs on a computer
Solution
Synthesizable code refers to HDL code that can be converted into actual hardware components during synthesis.
Correct Answer:
B
— Code that can be converted to hardware
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Q. What does the term 'bit' stand for in digital computing?
-
A.
Binary Information Transfer
-
B.
Binary Digit
-
C.
Bitrate Indicator
-
D.
Binary Input Type
Solution
A 'bit' is a basic unit of information in computing and digital communications, representing a binary value of 0 or 1.
Correct Answer:
B
— Binary Digit
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Q. What does the term 'bit' stand for in digital concepts?
-
A.
Binary Information Transfer
-
B.
Binary Digit
-
C.
Bitrate Indicator
-
D.
Binary Input Type
Solution
A 'bit' is a basic unit of information in computing and digital communications, representing a binary value of 0 or 1.
Correct Answer:
B
— Binary Digit
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Q. What does the term 'clock speed' refer to in microprocessors?
-
A.
The amount of data processed per second
-
B.
The frequency at which the CPU executes instructions
-
C.
The speed of data transfer between components
-
D.
The power consumption of the processor
Solution
Clock speed refers to the frequency at which the CPU executes instructions, typically measured in hertz (Hz).
Correct Answer:
B
— The frequency at which the CPU executes instructions
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Q. What does the term 'fabrication' refer to in the context of integrated circuits?
-
A.
The design process
-
B.
The manufacturing process
-
C.
The testing process
-
D.
The packaging process
Solution
Fabrication refers to the manufacturing process of creating integrated circuits on semiconductor wafers.
Correct Answer:
B
— The manufacturing process
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Q. What does the term 'fan-out' refer to in digital logic circuits?
-
A.
The number of inputs a gate can drive
-
B.
The number of outputs a gate can have
-
C.
The maximum load a gate can handle
-
D.
The distance between gates
Solution
Fan-out refers to the number of inputs that a single output can drive without degrading the signal.
Correct Answer:
A
— The number of inputs a gate can drive
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Q. What does the term 'fan-out' refer to in digital logic?
-
A.
The number of inputs a gate can drive
-
B.
The number of outputs a gate can have
-
C.
The maximum load a gate can handle
-
D.
The number of gates in a circuit
Solution
Fan-out refers to the number of inputs that a single output can drive without degrading the signal.
Correct Answer:
A
— The number of inputs a gate can drive
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Q. What does the term 'latency' refer to in memory and storage?
-
A.
The speed of data transfer
-
B.
The time delay before data transfer begins
-
C.
The amount of data that can be stored
-
D.
The power consumption of the device
Solution
Latency refers to the time delay before a transfer of data begins following an instruction for its transfer.
Correct Answer:
B
— The time delay before data transfer begins
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Q. What does the term 'programming' refer to in the context of PLDs?
-
A.
Writing software for the device
-
B.
Configuring the logic functions of the device
-
C.
Updating the firmware
-
D.
Designing the physical layout
Solution
In PLDs, 'programming' refers to configuring the logic functions of the device to perform specific tasks.
Correct Answer:
B
— Configuring the logic functions of the device
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Q. What does the term 'propagation delay' refer to in digital circuits?
-
A.
Time taken for a signal to travel
-
B.
Time taken for a circuit to reset
-
C.
Time taken for a signal to stabilize
-
D.
Time taken for power to reach the circuit
Solution
Propagation delay is the time taken for a signal to travel through a circuit from input to output.
Correct Answer:
A
— Time taken for a signal to travel
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Q. What does the term 'reconfigurable' mean in the context of PLDs?
-
A.
The ability to change the physical layout
-
B.
The ability to change the logic functions after manufacturing
-
C.
The ability to increase power consumption
-
D.
The ability to reduce size
Solution
In the context of PLDs, 'reconfigurable' means the ability to change the logic functions after manufacturing, allowing for flexibility in design.
Correct Answer:
B
— The ability to change the logic functions after manufacturing
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Q. What does the term 'sampling rate' refer to in digital signal processing?
-
A.
The number of bits used to represent each sample
-
B.
The frequency at which a signal is sampled
-
C.
The duration of each sample
-
D.
The total number of samples in a signal
Solution
The sampling rate is the frequency at which an analog signal is sampled to convert it into a digital signal.
Correct Answer:
B
— The frequency at which a signal is sampled
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Q. What does the term 'sampling rate' refer to?
-
A.
The number of bits per sample
-
B.
The frequency at which a signal is sampled
-
C.
The duration of each sample
-
D.
The total number of samples taken
Solution
The sampling rate is the frequency at which an analog signal is sampled to convert it into a digital signal.
Correct Answer:
B
— The frequency at which a signal is sampled
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Q. What does the term 'scaling' refer to in integrated circuit technology?
-
A.
Increasing the number of components
-
B.
Decreasing the size of components
-
C.
Improving power efficiency
-
D.
Enhancing signal speed
Solution
Scaling refers to the process of decreasing the size of components in integrated circuits, allowing for more transistors to fit on a chip.
Correct Answer:
B
— Decreasing the size of components
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