Q. Which of the following is a common application of capacitors in power supply circuits?
A.
Voltage regulation
B.
Signal amplification
C.
Energy storage
D.
Phase shifting
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Solution
Capacitors are commonly used in power supply circuits for energy storage to smooth out voltage fluctuations.
Correct Answer:
C
— Energy storage
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Q. Which of the following is a common application of op-amps?
A.
Voltage regulation
B.
Signal modulation
C.
Data storage
D.
Power amplification
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Solution
Op-amps are commonly used in voltage regulation applications.
Correct Answer:
A
— Voltage regulation
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Q. Which of the following is a common application of operational amplifiers?
A.
Rectification
B.
Signal amplification
C.
Voltage regulation
D.
All of the above
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Solution
Operational amplifiers are used in various applications including signal amplification, voltage regulation, and rectification.
Correct Answer:
D
— All of the above
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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
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Solution
Shift registers are used in various applications including data storage, conversion, and transmission.
Correct Answer:
D
— All of the above
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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
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Solution
The FFT is widely used in audio signal analysis to convert time-domain signals into their frequency-domain representation.
Correct Answer:
B
— Audio signal analysis
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Q. Which of the following is a common architecture for distributed databases?
A.
Client-server architecture
B.
Peer-to-peer architecture
C.
Three-tier architecture
D.
All of the above
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Solution
All of the above architectures can be used in distributed databases, depending on the specific requirements and design.
Correct Answer:
D
— All of the above
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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
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Solution
Both CISC (Complex Instruction Set Computing) and RISC (Reduced Instruction Set Computing) are common architectures for microprocessors.
Correct Answer:
C
— Both CISC and RISC
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Q. Which of the following is a common concurrency control mechanism?
A.
Two-Phase Locking
B.
Single-Phase Locking
C.
Optimistic Locking
D.
Pessimistic Locking
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Solution
Two-Phase Locking is a widely used concurrency control mechanism that ensures serializability.
Correct Answer:
A
— Two-Phase Locking
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Q. Which of the following is a common dynamic routing protocol?
A.
RIP
B.
HTTP
C.
FTP
D.
Telnet
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Solution
RIP (Routing Information Protocol) is a common dynamic routing protocol used to facilitate automatic route updates.
Correct Answer:
A
— RIP
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Q. Which of the following is a common file extension for a text file?
A.
.exe
B.
.txt
C.
.jpg
D.
.mp3
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Solution
.txt is a common file extension for plain text files.
Correct Answer:
B
— .txt
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Q. Which of the following is a common file format for images?
A.
.exe
B.
.jpg
C.
.docx
D.
.mp3
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Solution
.jpg is a widely used file format for images, particularly for photographs and web graphics.
Correct Answer:
B
— .jpg
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Q. Which of the following is a common frequency band used by Wi-Fi networks?
A.
2.4 GHz
B.
5.0 GHz
C.
Both 2.4 GHz and 5.0 GHz
D.
1.2 GHz
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Solution
Wi-Fi networks commonly operate on both the 2.4 GHz and 5.0 GHz frequency bands, allowing for flexibility in range and speed.
Correct Answer:
C
— Both 2.4 GHz and 5.0 GHz
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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
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Solution
Silicon, gallium arsenide, and germanium are all common materials used as substrates in integrated circuits.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common method for achieving data consistency in distributed databases?
A.
Two-phase commit protocol
B.
Single-phase commit protocol
C.
Data normalization
D.
Indexing
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Solution
The two-phase commit protocol is a common method used to achieve data consistency in distributed databases by ensuring all nodes agree on a transaction before it is committed.
Correct Answer:
A
— Two-phase commit protocol
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Q. Which of the following is a common method for ensuring data consistency in a data warehouse?
A.
Data replication
B.
Data normalization
C.
Data denormalization
D.
Data partitioning
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Solution
Data replication is a common method used to ensure data consistency across different systems in a data warehouse.
Correct Answer:
A
— Data replication
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Q. Which of the following is a common method for implementing concurrency control?
A.
Two-phase locking
B.
Data replication
C.
Partitioning
D.
Sharding
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Solution
Two-phase locking is a common method for implementing concurrency control to prevent conflicts between transactions.
Correct Answer:
A
— Two-phase locking
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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
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Solution
The Z-Transform is commonly used for analyzing and designing digital filters in the discrete-time domain.
Correct Answer:
B
— Z-Transform
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Q. Which of the following is a common method for securing wireless networks?
A.
WEP
B.
HTTP
C.
FTP
D.
SMTP
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Solution
WEP (Wired Equivalent Privacy) is a security protocol designed to provide a wireless local area network (WLAN) with a level of security and privacy comparable to what is usually expected of a wired LAN.
Correct Answer:
A
— WEP
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Q. Which of the following is a common method of error control in data transmission?
A.
Checksum
B.
Compression
C.
Encryption
D.
Segmentation
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Solution
Checksum is a common method of error control used to detect errors in data transmission.
Correct Answer:
A
— Checksum
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Q. Which of the following is a common method of securing wireless networks?
A.
WEP
B.
FTP
C.
HTTP
D.
SMTP
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Solution
WEP (Wired Equivalent Privacy) is a security protocol for wireless networks, although it is considered weak by modern standards.
Correct Answer:
A
— WEP
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Q. Which of the following is a common operating system for personal computers?
A.
Linux
B.
Android
C.
iOS
D.
Windows
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Solution
Windows is one of the most common operating systems used on personal computers.
Correct Answer:
D
— Windows
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Q. Which of the following is a common query language for Object-Oriented Databases?
A.
SQL
B.
OQL
C.
PL/SQL
D.
T-SQL
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Solution
OQL (Object Query Language) is specifically designed for querying Object-Oriented Databases.
Correct Answer:
B
— OQL
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Q. Which of the following is a common security protocol used in wireless networks?
A.
WEP
B.
SMTP
C.
IPSec
D.
FTP
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Solution
WEP (Wired Equivalent Privacy) is a security protocol that was commonly used to secure wireless networks, although it is now considered insecure.
Correct Answer:
A
— WEP
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Q. Which of the following is a common type of PLD?
A.
FPGA
B.
Microprocessor
C.
ROM
D.
RAM
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Solution
FPGA (Field-Programmable Gate Array) is a common type of PLD that can be configured by the user.
Correct Answer:
A
— FPGA
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Q. Which of the following is a common unit of digital storage?
A.
Gigabyte
B.
Kilometer
C.
Hertz
D.
Newton
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Solution
A 'Gigabyte' is a unit of digital information storage equal to approximately 1 billion bytes.
Correct Answer:
A
— Gigabyte
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Q. Which of the following is a common use case for Object-Oriented Databases?
A.
Storing simple text data
B.
Managing complex data with relationships
C.
Handling large volumes of transactions
D.
Creating flat file databases
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Solution
Object-Oriented Databases are commonly used for managing complex data with intricate relationships.
Correct Answer:
B
— Managing complex data with relationships
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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
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Solution
FPGAs are commonly used for signal processing due to their ability to implement complex algorithms in hardware.
Correct Answer:
B
— Signal processing
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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
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Solution
HDL is commonly used for designing digital circuits, allowing engineers to describe hardware behavior and structure.
Correct Answer:
B
— Designing digital circuits
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Q. Which of the following is a common variant of the Spanning Tree Protocol?
A.
Rapid Spanning Tree Protocol (RSTP)
B.
Enhanced Spanning Tree Protocol (ESTP)
C.
Dynamic Spanning Tree Protocol (DSTP)
D.
Static Spanning Tree Protocol (SSTP)
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Solution
Rapid Spanning Tree Protocol (RSTP) is a common variant that provides faster convergence than STP.
Correct Answer:
A
— Rapid Spanning Tree Protocol (RSTP)
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Q. Which of the following is a commonly used HDL?
A.
C++
B.
Verilog
C.
Python
D.
Java
Show solution
Solution
Verilog is a commonly used Hardware Description Language for modeling electronic systems.
Correct Answer:
B
— Verilog
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