motherboard
What are the three most common form factors used for consumer motherboards, and which one is the largest?
ATX, Micro-ATX (mATX), and Mini-ITX
What are the three most common form factors used for consumer motherboards, and which one is the largest?
the number of cycles a CPU executes per second
What does it mean for an HDD to be "non-volatile," and how does it physically store data without electricity?
it can retain stored information indefinitely without a continuous power supply.
Which of the following devices is strictly an output device?
Answer: B) Plotter
Which of the following sets contains only output devices?
Correct Answer: B) Monitor, Printer, Speakers 🟢
Explain the difference between Northbridge and Southbridge (or how modern chipsets like the AMD AM5 or Intel Z790 handle these functions today).
A single short beep at startup typically indicates that the Power-On Self-Test (POST) has completed successfully, confirming that the motherboard, CPU, and memory are functioning properly and the system is booting
Explain the difference between Northbridge and Southbridge (or how modern chipsets like the AMD AM5 or Intel Z790 handle these functions today).
Modern chipsets (Intel Z790/AMD AM5) have integrated Northbridge functions into the CPU, using a single chipset (PCH or Promontory) for Southbridge tasks
If two HDDs have the same storage capacity but different RPM (revolutions per minute) ratings, how does this affect system performance?
Higher RPM drives spin faster, which reduces rotational latency and results in quicker read/write speeds. A lower RPM often leads to a noticeable drop in data transfer performance
A user types a sentence into a word processor. Briefly describe the path the "input" takes from the physical action to appearing on the "output" device
The Keyboard (Input) sends electrical signals (scan codes) to the CPU. The Operating System processes these signals and instructs the GPU/Video Card to render the characters. Finally, the Monitor (Output) displays the visual representation
In a standard computer system, which component acts as the primary interface that converts physical movement into digital input coordinates?
Correct Answer: C) Optical Mouse 🟢
You turn on your PC, and it fails to boot, but the motherboard emits a series of beep codes. What is the purpose of these codes, and what does a single short beep typically signify during the POST (Power-On Self-Test) process?
A single short beep typically signifies a successful POST, indicating all hardware passed self-tests and the system is booting
You turn on your PC, and it fails to boot, but the motherboard emits a series of beep codes. What is the purpose of these codes, and what does a single short beep typically signify during the POST (Power-On Self-Test) process?
ndicates that the computer's firmware (BIOS/UEFI) has verified that critical hardware components—such as the CPU, memory (RAM), storage drives, and graphics card—are functioning correctly
What is "bit rot" (data decay), and why can an HDD's data be at risk even if the drive is never powered on or dropped?
Bit rot occurs due to environmental factors like magnetic interference, humidity, and temperature changes, which can disrupt the magnetic orientation on the platters over time
You encounter a "Hard Drive Input/Output (I/O) Error" while trying to copy a file. What are two common causes for this error at the hardware or firmware level?
Common causes include corrupted firmware or physical bad sectors on the disk platters that prevent the read/write head from communicating with the controller.
Look at the table below and determine the "Rule" (Equation) used to get the output (
) from the input (
).
Input (
)Output (
)27516825
Correct Answer: B)
What is a VRM (Voltage Regulator Module), and why is the quality of its components (like MOSFETs and capacitors) critical when choosing a motherboard for high-end CPUs or overclocking?
ensure stable power delivery, prevent overheating, and prevent performance-throttling under heavy loads or overclocking
What is a VRM (Voltage Regulator Module), and why is the quality of its components (like MOSFETs and capacitors) critical when choosing a motherboard for high-end CPUs or overclocking?
circuit on a motherboard that converts the 12V power from the PSU down to the stable 1.0V–1.5V required by high-end CPUs, crucial for maintaining power stability and preventing component failure
How do emerging technologies like HAMR (Heat-Assisted Magnetic Recording) and MAMR (Microwave-Assisted Magnetic Recording) allow manufacturers to exceed current density limits?
These technologies use energy assistance (heat or microwaves) to make the storage media more receptive to magnetic changes at a much smaller scale, allowing for higher storage capacities like 100 TB by the end of the decade
In "Machine Input-Output" problems, a machine rearranges a given input in specific steps.
Input: apple 45 zebra 12 ocean 88
Step I: zebra apple 45 12 ocean 88
Step II: zebra 88 apple 45 12 ocean
Step III: zebra 88 ocean apple 45 12
If this pattern continues, what would be the final step for the input: blue 10 red 50 green 30?
Correct Answer: A) red 50 green 30 blue 10 🟢
Explain how PCIe lane allocation works when a user installs multiple M.2 NVMe SSDs on a mid-range motherboard. Why might installing a second SSD sometimes disable certain SATA ports or reduce the bandwidth of the primary GPU slot?
splits limited CPU/chipset resources
Explain how PCIe lane allocation works when a user installs multiple M.2 NVMe SSDs on a mid-range motherboard. Why might installing a second SSD sometimes disable certain SATA ports or reduce the bandwidth of the primary GPU slot?
PCIe lane allocation is governed by the limited number of high-speed lanes provided by the CPU and the Motherboard Chipset
In a high-availability server environment, why might a technician choose a drive with a higher "load/unload cycle" rating over one with a higher "power-on hours" rating?
Frequent starting and stopping (loading/unloading the heads) can create more mechanical stress than simply letting a drive run continuously. Excessive cycles are a common cause of premature failure in certain operating systems
Explain the difference between Programmed I/O and Direct Memory Access (DMA) in terms of CPU utilization.
In Programmed I/O, the CPU must constantly monitor the device to see if it is ready, wasting cycles. In DMA, a specialized controller handles the data transfer between the I/O device and main memory directly, only interrupting the CPU once the entire transfer is complete.
Which of the following best describes the role of an I/O Controller (or Input/Output Module) in high-performance computing?
Correct Answer: B) It manages the data flow and timing differences between the high-speed CPU and slower peripheral devices. 🟢