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Fumadocs MDX
← Computer Systems
practice
Unit 1 Practice — Technician Foundations and PC Hardware
Fifteen formative questions covering Weeks 1–4. Use the explanations to find the lesson you need to revisit.
Automatic score only. Nothing is submitted or stored as a learner grade.
1.
A technician receives a vague complaint: ‘It just stopped working.’ What is the best first move?
A.
Replace the motherboard
B.
Clarify the symptom, scope, and last known change
C.
Reset every setting
D.
Reinstall Windows
2.
Which practice best protects internal PC components from static discharge during service?
A.
Touching connector pins
B.
Leaving AC power connected
C.
Using proper ESD controls
D.
Opening the PSU
3.
A PC has power but never reaches the operating-system loader. Which early startup layer deserves attention?
A.
Firmware/POST
B.
Browser cache
C.
Cloud sync
D.
Print spooler
4.
Which component provides volatile working memory for active programs?
A.
HDD
B.
PSU
C.
NIC
D.
RAM
5.
Why does CPU socket compatibility matter?
A.
It sets monitor refresh rate
B.
The processor must match the motherboard platform
C.
It determines DNS settings
D.
It controls printer toner
6.
What does ECC memory add compared with standard non-ECC memory?
A.
Detection/correction of certain memory errors
B.
A faster Ethernet port
C.
Automatic drive mirroring
D.
A different display connector
7.
Which firmware feature can help protect the boot process from untrusted software?
A.
NAT
B.
RAID 0
C.
Secure Boot
D.
DHCP
8.
Which storage statement is correct?
A.
M.2 always means SATA
B.
NVMe is a physical drive size
C.
RAID is the same as backup
D.
M.2 is a form factor and can support different interfaces
9.
Which RAID level mirrors data across drives?
A.
RAID 0
B.
RAID 1
C.
RAID 5 only
D.
No RAID level
10.
What is SMART useful for during storage troubleshooting?
A.
Changing the filesystem
B.
Testing DNS
C.
Reviewing drive health indicators
D.
Supplying power
11.
A desktop randomly shuts down only during heavy CPU/GPU load. Which evidence should be checked early?
A.
Temperatures and power-delivery capacity
B.
Browser bookmarks
C.
Printer queue
D.
DNS records
12.
Why is opening a PC power supply unsafe in a classroom repair setting?
A.
It resets Windows
B.
It changes the CPU architecture
C.
It damages Ethernet
D.
Internal capacitors can retain dangerous energy
13.
Which display technology uses self-emissive pixels?
A.
TN LCD
B.
IPS LCD
C.
OLED
D.
VA LCD
14.
A projector displays its own menu correctly but not the laptop image. What should be checked next?
A.
Replace the CPU
B.
Source/input selection and the video signal path
C.
Format the SSD
D.
Replace the RAM
15.
What should happen after a repair before a ticket is closed?
A.
Verify expected behavior and document the result
B.
Delete the evidence
C.
Change one more setting
D.
Assume success
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