1
Which connector is commonly used to provide video output from a modern graphics card to a monitor?
RJ-45 HDMI SATA USB Type-B
HDMI is a common digital video and audio connector for monitors, TVs, and graphics hardware.
2
What does an SSD do in a computer?
Stores data and the operating system Provides wireless internet Cools the processor Supplies power to the motherboard
An SSD is a storage device used for the operating system, applications, and files.
3
Which PC component converts AC wall power into DC power for internal computer components?
Heatsink CMOS battery Optical drive Power supply unit
The power supply unit converts AC power from the wall into usable DC voltages for the PC.
4
Laptop memory modules are commonly known as:
ATX RAM PCIe DIMMs SODIMMs Mini-SATA sticks
SODIMM stands for Small Outline Dual Inline Memory Module and is commonly used in laptops.
5
Which port is most commonly associated with wired Ethernet networking?
HDMI RJ-45 3.5 mm audio jack DisplayPort
RJ-45 is the standard connector used for twisted-pair Ethernet networking cables.
6
What does a router primarily do?
Directs traffic between networks Stores files for long-term access Acts as a battery backup Displays images on a monitor
A router forwards traffic between different networks, such as a home LAN and the internet.
7
Which wireless frequency is commonly used by Wi-Fi?
60 MHz 120 MHz 600 kHz 2.4 GHz
2.4 GHz is one of the most common Wi-Fi bands, along with 5 GHz and newer 6 GHz deployments.
8
What is a valid IPv4 address format?
AA:BB:CC:DD:EE:FF 192.168.one.5 192.168.1.5 2555.1.2.3
IPv4 addresses use four octets written in dotted decimal format, such as 192.168.1.5.
9
Which cable category is commonly used for modern Ethernet networks?
Coax Cat-1 Cat 6 Fiber VGA SATA III
Cat 6 is a common twisted-pair Ethernet cable category used for wired network installations.
10
What is a common feature of a laptop docking station?
Provides extra ports and peripherals through one connection Replaces the CPU Erases the BIOS Adds a second motherboard
Docking stations let laptops connect to displays, USB devices, network ports, and power more easily.
11
Which wireless technology is often used for short-range device pairing like earbuds or keyboards?
NFC power mode Satellite WAN DOCSIS Bluetooth
Bluetooth is widely used for short-range wireless connections between personal devices and accessories.
12
What does airplane mode on a smartphone generally do?
Doubles battery size Disables wireless radio communications Deletes cached apps Turns the phone into a hotspot only
Airplane mode typically turns off cellular, Wi-Fi, Bluetooth, and similar radio communications.
13
Which printer type commonly uses toner instead of liquid ink?
Inkjet printer Thermal receipt printer Laser printer Dot matrix ribbon-only scanner
Laser printers use toner powder and a fuser assembly, not liquid ink cartridges.
14
A laser printer leaves toner on the page but it smears off easily. Which component is the likely issue?
Fuser Paper tray roller only NIC card CMOS battery
The fuser applies heat and pressure to bond toner to paper. If toner smears, the fuser is suspect.
15
What is virtualization?
Using only physical servers and no software layer Replacing all monitors with tablets Converting Ethernet to Bluetooth Creating virtual versions of computing resources such as systems or servers
Virtualization allows multiple virtual machines or resources to run on shared physical hardware.
16
Cloud computing generally refers to:
Only storing files on DVDs Using shared online computing resources and services Turning off local networking A type of wired motherboard slot
Cloud computing provides on-demand access to shared services like storage, servers, and applications over the internet.
17
Which expansion slot is commonly used for modern graphics cards?
DIMM SATA PCIe x16 RJ-11
PCIe x16 is the typical expansion slot used for dedicated graphics cards in desktop systems.
18
A user reports no network connectivity on a wired desktop. What is the best first check?
Verify link lights and cable connection Replace the motherboard immediately Factory reset the router without checking anything else Install a new video driver
Start simple. Check the cable, port, and network link lights before assuming deeper failure.
19
A laptop battery is not charging. Which is a sensible first troubleshooting step?
Reinstall the printer drivers Replace system RAM first Disable Wi-Fi and Bluetooth Check the AC adapter and charging port
Power-related issues should begin with the charger, port, and basic power delivery checks.
20
Which device primarily connects multiple wired devices together on the same local network?
Modem Switch Projector UPS battery
A switch connects multiple devices within the same local network and forwards traffic between them.
21
Which connector is common on many modern smartphones and tablets for charging and data?
PS/2 Serial DB-9 USB-C RJ-45
USB-C is a very common modern charging and data connector for mobile devices and laptops.
22
What is the main purpose of a UPS?
Provide temporary backup power during outages Increase Wi-Fi range automatically Convert inkjet printers to laser printers Create virtual machines on a laptop
A UPS gives short-term battery backup power so systems can stay on briefly or shut down safely.
23
What is a virtual machine?
A damaged physical server A monitor with no bezel A type of wired network cable A software-based computer running inside another system
A virtual machine is a software-defined computer environment running on physical host hardware.
24
A newly installed printer is not printing. Which basic check makes sense first?
Replace the motherboard Verify power, paper, and printer connection Reset the phone’s Bluetooth cache Upgrade system RAM to 64 GB
Always start with the obvious: is it powered on, loaded with paper, and connected properly?
25
Which term refers to the network name users see when choosing a Wi-Fi network?
MAC BIOS SSID VPN
SSID is the name broadcast by a wireless network that users select when connecting.