#1
Which of the following is a common cause of a computer not turning on?
Faulty power supply
Overheated CPU
Defective RAM
Corrupted operating system
#2
What should be the first step in troubleshooting an electrical circuit?
Check the power source
Inspect the components visually
Test each component individually
Replace the circuit board
#3
What does the term 'blue screen of death' typically refer to?
A critical system error in Windows
A power supply failure
A malfunctioning CPU
A virus infection
#4
In electrical circuits, what does the term 'short circuit' refer to?
An unintended connection between two points with different potentials
A circuit with too much resistance
A circuit with insufficient voltage
A disconnected circuit
#5
In computer hardware troubleshooting, what does the term 'dead pixel' refer to?
A malfunctioning pixel on a display screen
A faulty RAM module
A disconnected power cable
A malfunctioning CPU
#6
What does the term 'BIOS' stand for in computer hardware?
Basic Input/Output System
Binary Input/Output Sequence
Byte Input/Output Scheme
Buffered Input/Output Solution
#7
A multimeter is used for which of the following purposes?
Measuring voltage, current, and resistance
Cleaning electrical contacts
Testing software compatibility
Aligning optical drives
#8
What is the primary function of a BIOS chip in a computer?
To store system settings
To perform arithmetic calculations
To control the cooling system
To manage network connections
#9
What is the purpose of a POST test during computer boot-up?
To check hardware components for proper functioning
To initiate the operating system loading process
To display error messages on the screen
To perform a memory diagnostic
#10
What does ESD stand for in the context of hardware troubleshooting?
Electrostatic discharge
External system diagnostics
Error system diagnosis
Electronic security detection
#11
Which of the following is a common indicator of a failing hard drive?
Frequent system crashes
Excessive fan noise
Dim monitor display
Incompatible software
#12
What is the primary function of a surge protector in an electrical system?
To protect devices from voltage spikes
To regulate the flow of current
To increase the voltage supplied to devices
To prevent overheating of devices
#13
Which of the following tools is commonly used for testing continuity in electrical circuits?
Ohmmeter
Screwdriver
Tweezers
Pliers
#14
What is the purpose of thermal paste in a computer?
To facilitate heat transfer between the CPU and the heatsink
To increase the speed of data transfer
To prevent electrical shorts
To improve Wi-Fi connectivity
#15
What is the purpose of a POST card in computer troubleshooting?
To diagnose hardware issues by displaying error codes
To clean the motherboard
To enhance internet connectivity
To generate backup power
#16
What does the term 'bricking' refer to in hardware troubleshooting?
Rendering a device completely inoperable
Replacing a component with a new one
Improving the performance of a device
Restoring a device to factory settings
#17
What is the purpose of a loopback plug in network troubleshooting?
To test the functionality of network ports
To boost Wi-Fi signal strength
To secure network connections
To monitor network traffic
#18
What is the primary purpose of a thermal imaging camera in hardware troubleshooting?
To detect overheating components
To measure voltage fluctuations
To clean electrical contacts
To align optical drives