MULTIPLE CHOICE
1. After assembling a computer, it powers on but shows no display. The fan is running and the power LED is on. What should the technician analyze FIRST?
A. Install the operating system
B. Check RAM and video cable connections
C. Replace the hard drive
D. Update the BIOS
B. Check RAM and video cable connections
1. Installing hardware without updating the BIOS can cause recognition issues even if the hardware is fully compatible.
TRUE
1. This part of the computer interprets and executes instructions from programs and controls other parts of the computer.
Central Processing Unit (CPU)
1. Multimeter
A. Used to check if the motherboard, CPU, and RAM are functioning before loading the operating system.
B. Tool used to measure voltage, current, and resistance in electronic components.
C. A utility in Windows that helps identify missing or malfunctioning hardware drivers.
D. Ensures proper heat transfer between the CPU and heatsink to prevent overheating.
E. Provides power conversion and stabilization to internal components of a computer.
F. Helps troubleshoot network connectivity by sending signals back to the source.
G. A firmware program that initializes hardware during the booting process.
H. Battery that maintains BIOS settings even when the computer is powered off.
I. Allows the computer to boot with minimal drivers to troubleshoot software issues.
J. A hardware component that connects a computer to a network.
B
2. A technician is under pressure to finish a repair but notices a damaged power cable. What is the BEST professional decision?
A. Continue working to meet the deadline
B. Tape the cable and proceed
C. Stop work and replace the cable
D. Ignore the issue
C. Stop work and replace the cable
2. Software-based diagnostic tools alone are sufficient to identify all hardware-related problems.
FALSE
2. You notice your computer cannot store data when turned off. This type of memory is being referred to.
Volatile Memory (RAM)
2. Device Manager
A. Used to check if the motherboard, CPU, and RAM are functioning before loading the operating system.
B. Tool used to measure voltage, current, and resistance in electronic components.
C. A utility in Windows that helps identify missing or malfunctioning hardware drivers.
D. Ensures proper heat transfer between the CPU and heatsink to prevent overheating.
E. Provides power conversion and stabilization to internal components of a computer.
F. Helps troubleshoot network connectivity by sending signals back to the source.
G. A firmware program that initializes hardware during the booting process.
H. Battery that maintains BIOS settings even when the computer is powered off.
I. Allows the computer to boot with minimal drivers to troubleshoot software issues.
J. A hardware component that connects a computer to a network.
C
3. A computer repeatedly crashes after a software update. Which decision should the technician make FIRST to minimize data loss?
A. Replace the hard drive
B. Format the computer
C. Roll back the update or use system restore
D. Delete system files
C. Roll back the update or use system restore
3. Ignoring electrostatic discharge precautions may not cause immediate damage but can shorten component lifespan.
TRUE
3. You need to clean the dust from inside the CPU fan. This tool, which releases air in short bursts, is most appropriate.
Compressed air canister
3. CMOS Battery
A. Used to check if the motherboard, CPU, and RAM are functioning before loading the operating system.
B. Tool used to measure voltage, current, and resistance in electronic components.
C. A utility in Windows that helps identify missing or malfunctioning hardware drivers.
D. Ensures proper heat transfer between the CPU and heatsink to prevent overheating.
E. Provides power conversion and stabilization to internal components of a computer.
F. Helps troubleshoot network connectivity by sending signals back to the source.
G. A firmware program that initializes hardware during the booting process.
H. Battery that maintains BIOS settings even when the computer is powered off.
I. Allows the computer to boot with minimal drivers to troubleshoot software issues.
J. A hardware component that connects a computer to a network.
H
4. A school wants secure internet access where students cannot visit unauthorized websites. What networking solution BEST addresses this need?
A. Use a hub
B. Increase bandwidth
C. Replace LAN cables
D. Install a firewall with content filtering
D. Install a firewall with content filtering
4. Wearing personal protective equipment (PPE) eliminates all workplace hazards in computer servicing.
FALSE
4. The user complains that applications crash frequently. You suspect overheating of the processor. Which component should you check?
CPU cooling fan or heatsink
4. BIOS
A. Used to check if the motherboard, CPU, and RAM are functioning before loading the operating system.
B. Tool used to measure voltage, current, and resistance in electronic components.
C. A utility in Windows that helps identify missing or malfunctioning hardware drivers.
D. Ensures proper heat transfer between the CPU and heatsink to prevent overheating.
E. Provides power conversion and stabilization to internal components of a computer.
F. Helps troubleshoot network connectivity by sending signals back to the source.
G. A firmware program that initializes hardware during the booting process.
H. Battery that maintains BIOS settings even when the computer is powered off.
I. Allows the computer to boot with minimal drivers to troubleshoot software issues.
J. A hardware component that connects a computer to a network.
G
5. Two offices must share files but are located in different buildings. What is the MOST practical networking solution?
A. Peer-to-peer LAN
B. Local printer sharing
C. Wide Area Network (WAN) connection
D. Offline file transfer using USB
C. Wide Area Network (WAN) connection
5. Safety protocols should be adjusted depending on task complexity rather than strictly followed at all times.
FALSE
5. You need to protect a system from unauthorized access by monitoring incoming and outgoing network traffic.
Firewall
5. POST
A. Used to check if the motherboard, CPU, and RAM are functioning before loading the operating system.
B. Tool used to measure voltage, current, and resistance in electronic components.
C. A utility in Windows that helps identify missing or malfunctioning hardware drivers.
D. Ensures proper heat transfer between the CPU and heatsink to prevent overheating.
E. Provides power conversion and stabilization to internal components of a computer.
F. Helps troubleshoot network connectivity by sending signals back to the source.
G. A firmware program that initializes hardware during the booting process.
H. Battery that maintains BIOS settings even when the computer is powered off.
I. Allows the computer to boot with minimal drivers to troubleshoot software issues.
J. A hardware component that connects a computer to a network.
A