Computer Systems & Maintenance Flashcards
What are the different types of cases and what is the most popular?
Full Tower, Desktop, Midi Tower (MP), Cube, HTPC, Slimline, Micro ATX
What are blank panels called?
Spare Bays
Why Full Tower?
More space for more internal expansion, mostly for File Servers etc
Do PSUs have a form factor? If so, give an example
Yes, ATX
How many times is USB 3 to USB 2?
10x
What is switching on a PSU?
How it distributes power from the wall to the components
How many pins are on the MB connector?
24
How many pins is the CPU power connector?
4
What is the finer thread screw?
M3 5mm
What is the thicker thread screw?
6 1/32
When purchasing a new computer case you can always expect a PSU (Power Supply Unit) to be included as part of the package?
False
Which case would you expect to be able to house the most internal components and devices?
Full Tower
What are the volts of ESD?
3,000V Feel
6,000V Hear
8,000 See
What are the types of protection?
EBP (plug), Strap, Grounding Mat, Gloves
Earth Bonding Point - Plugs into the wall
Plugs into the wall
What is byte equal to?
8 Bits
What are the lowercase ‘b’ and uppercase ‘B’?
‘b’ = bit
‘B’ = byte (8 bits)
What is an HDD?
Hard Disc Drive that has permanent storage. Contains a platter, arm, and spindle that rotates.
Buffer?
a form of temporary storage that the Hard Drive uses.
RPM?
Revolutions per minute. eg. 7,200RPM in which the Hard Drive Spins
Connections on HDD?
Power SATA and SATA Data
AMD CPUs comes with..
PGA
Intel CPUs come with..
LGA
Which of the following is an active cooling solution ?
Fan
Which of the following is a passive cooling solution ?
Heatsink
Whilst shopping for a new CPU you notice that your chosen processor is listed twice. One is ‘Retail’, the other ‘OEM’. Which of these packages would you expect to include a Heatsink/Fan ?
Retail
When fitting a CPU to an PGA socket, we would expect to find the pins on the
CPU
When fitting a CPU to an LGA socket, we would expect to find the pins on the
MB
Which CPU technology enables the CPU to simulate more than one core?
Hyperthreading
All Microsoft Operating Systems support multiple CPU’s
False
A typical use for PCIe?
WiFi Cards
GPUs
Storage
Connections on the back of MBs?
Ps/2
USB
Ethernet
HDMI
Audio
What connects the components?
Bus
You cannot install DDR2 into DDR3 for example, and vice versa?
True
What are the features of DIMM?
Double Data
What is a memory controller?
A special chip to control the data used in RAM
Can a single DDR3 be installed into a Dual Memory Slot?
Yes
What is the BIOS?
BIOS is responsible for the real-time system clock and instructs the CPU on were to boot the OS. Modern BIOS is called a UEFI and is more modern-looking and user friendly
