What is the build-up of electric charge on a surface called?
ESD (Electrostatic Discharge)
ESD can cause damage to internal components if not discharged properly.
How many volts must build up before a person can feel ESD?
3,000 Volts
At least 3,000 volts must build up for a person to feel ESD.
Where should you check for high-voltage components in a printer?
The printer manual
Important for ensuring electrical safety.
What is ‘Form Factor’ in relation to PC cases?
The physical design and look of the case
It determines compatibility with components.
What does a power supply convert AC power into?
Lower voltage DC power
Required by the internal components of the computer.
Which power supply is most common in the market today?
ATX12V
Standard form factor for modern PCs.
What are the three most common voltages supplied by a PSU?
- 3.3V
- 5V
- 12V
These voltages are essential for different components.
Which motherboard component controls high-speed access to RAM?
Northbridge
It also connects to the video card.
Which motherboard component manages slower devices like USB ports?
Southbridge
It handles lower-speed connections.
What is the difference between PGA and LGA CPU sockets?
PGA has pins on the processor; LGA has pins in the socket
This affects CPU installation.
What type of cooling solution requires power to operate?
Active cooling (e.g., fans)
Essential for maintaining optimal temperatures.
What type of memory is used as CPU cache?
SRAM (Static RAM)
It provides faster access than DRAM.
Which memory type can detect and correct single-bit errors?
ECC (Error Correction Code)
Important for systems requiring high reliability.
What is the difference between an adapter and a converter?
An adapter physically connects two technologies; a converter translates the signals
Both serve different purposes in connectivity.
What is a KVM switch?
A device used to control multiple computers with one keyboard, monitor, and mouse
Useful for managing several systems efficiently.
Which monitor technology uses organic compounds for light?
OLED
Known for vibrant colors and deep blacks.
What does NVMe stand for in SSD technology?
Non-Volatile Memory Express
A specification for faster data transfer using PCIe.
What is an SSHD?
Solid State Hybrid Drive (HDD with flash cache)
Combines features of SSDs and HDDs.
Which expansion slot is typically used for high-end video cards?
PCIe (PCI Express)
Provides high bandwidth for graphics processing.
What is the role of the BIOS/UEFI chip?
To initialize hardware and start the boot process
Essential for system startup.
What happens if you exchange AC adapters between different laptops or devices?
It may cause damage to both the AC adapter and the laptop
Important to use the correct adapter for each device.
Why is electrical safety important?
To prevent electrical fires, injuries, and fatalities
Safety protocols are crucial in handling electrical devices.
What are the main types of storage devices?
- Magnetic (HDD, Tape Drive)
- Solid State (SSD, SSHD)
- Optical (CD, DVD, Blu-ray)
Each type has different characteristics and uses.
What is the difference between SSD and HDD?
SSDs are faster, more energy-efficient, and have no moving parts, while HDDs are slower and have moving mechanical parts
This affects performance and durability.
