Computer Hardware
Printers
Laptops & Mobile
Networking Fundamentals
Troubleshooting
100

 This component is measured in GHz and determines how fast instructions are processed.

What is the CPU clock speed?

100

This printer type sprays tiny droplets of ink directly onto paper

What is an inkjet printer?

100

This feature locks a laptop when the user steps away with a paired device

What is proximity lock?



100

This device forwards packets between different networks based on IP addresses.

What is a router?

100

A user reports their monitor is blank even though the computer powers on. What’s the first thing you check?

What is the monitor power connection?



200

This connector type is used to attach modern solid-state drives directly to the motherboard.

What is M.2?

200

This printer issue occurs when toner or ink smears across the page

What is ghosting?

200

 This laptop component is often soldered, making upgrades difficult.

 What is RAM?

200

This protocol is used to securely browse websites and encrypt traffic.

What is HTTPS?

200

A laptop won’t charge even with a known-good adapter. What component is most likely faulty?

What is the DC jack (power port)?


300

This expansion card provides additional USB ports to a desktop computer

What is an I/O card?


300

This part of a laser printer is charged by a corona wire before toner is applied

What is the imaging drum?


300

This mobile device setting reduces power usage by lowering CPU speed and screen brightness.

What is battery saver mode?

300

This type of IP address is automatically assigned when DHCP fails, starting with 169.254.

What is an APIPA address?

300

 A user complains of slow network speeds. Other users are fine. What’s the first troubleshooting step?

What is check the user’s network cable or Wi-Fi connection?


500

 This type of memory is embedded inside the CPU for ultra-fast access.

 What is cache memory?

500

 This printer language standard is widely used for cross-platform printing

What is PostScript?

500

This laptop security feature uses infrared cameras to authenticate users

What is Windows Hello facial recognition?

500

This command-line tool displays a list of hops packets take to reach a destination.

 What is tracert/traceroute?

500

A desktop boots but shows “Operating System Not Found.” What’s the probable cause?

What is a misconfigured BIOS boot order or failed hard drive?

1000

This bus architecture replaced the older FSB and directly connects CPU to RAM.

What is QuickPath Interconnect (QPI)?



1000

 This advanced printer feature allows multiple virtual print queues to be managed centrally.

What is print spooling?

1000

A technician replaces a smartphone screen, but the touchscreen is unresponsive. What’s the most probable issue?  

What is the digitizer cable not properly seated or damaged?

1000

This protocol is used to dynamically update DNS records, often in Active Directory environments.

What is DDNS (Dynamic DNS)?

1000

A printer consistently shows “Paper Jam” even when no paper is stuck. What advanced troubleshooting step should you take?

What is clean or replace the paper path sensors?