2 Miscellaneous Flashcards
What technology do mass storage devices use? 3 answers
o Magnetic
o Optical
o Solid-state technology
What are the three standard widths of mass storage devices
o 5.25 inches
o 3.5 inches
o 2.5 inches
How would you install a fixed disk?
o Screw the drive into the caddy
o Screw the caddy into the drive bay
Why would you use rails with a fixed disk caddy?
Allows you to pull the drive out without having to open the case
What 3 factors impact the choice of mass storage devices?
o Reliability
o Performance
o Use
What type of memory does SSD Solid state drive devices use?
Flash memory
Name one circumstance in which a HDD would perform better than a SSD?
When serving multiple-gigabyte file sizes
Is single-level cell or multi-level cell types more reliable in SSD’s?
Single-level cell SLC
What kind of connector might a SSD be installed with?
o SATA port
o Or mSATA
o PCIe
What does the PSU power supply unit deliver?
DC Direct current low voltage power to PC Components
What does a PSU rectifier do? (4 Steps)
o Converts AC alternating current building power to
o DC Direct current voltage output
o Transformers to step down to lower voltages and
o Filters and regulators to enure consistent output voltage levels
What wattage rating is a PSU designed for use in a standard desktop PC?
Typically around 200-300 W
What wattage are enterprise workstation PC’s and servers often rated?
o Over 300 W
o to meet demands of multiple CPU’s, additional memory modules, disk drives, and tape units.
How much wattage might be required for a gaming pc?
o Over 500 W or more
o To cope with high specification of CPU and Graphics Cards
What is the simplest way to work out a power requirement when building / upgrading a CPU system?
Using an online calculator
What is the P1 Connector?
The motherboard’s power port is referred to as this.
Along with a power port, what kinds of power will a PSU have?
o A number of Molex and or SATA device power connectors
o And 4/6/8-pin connectors for use with CPU and PCIe adapter card power ports
Name 2 mechanisms for clamping a CPU heat sink to the motherboard
o Retaining clips
o Push pins
Name a passive cooling device?
Heat sink
Name an active cooling device?
Fans
What is passive cooling?
Does not require extra energy to work
Where are thermometer sensors used and for what purpose?
o Placed at each fan location
o Sets an appropriate speed and
o Detects wether a fan has failed
How should fans and heat sinks be cleaned?
o With a soft brush
o Compressed air
o PC approved vacuum cleaner
How is system memory measured? (Unit)
GB Gigabytes
