Chapter 1 Flashcards
What unit is used to measure processing speed of a CPU?
Megahertz MHz
Gigahertz Ghz
What does modular mean
Computer components that can be removed and replaced by another piece of hardware
What is a field replaceable unit?
A modular component that can be replaced
What is the other name for Motherboard?
System board
Main board
What are the most common form factors
ATX-Advanced Technology Extended
Micro ATX
iTX(a collection of small form factor)
List the form factors in order of release year
Baby AT ATX Micro ATX Mini-ITX Nano-ITX Pico-ITX Mobile-ITX Neo-ITX
What are the 2 groups of chipsets
Northridge
Southbridge
What does the Northridge do?
Handles communication between the CPU and internal components.
Manages high speed peripheral communication.
Front side bus
Back side bus
What does the Southbridge do?
Handles the slower peripherals (ps/2, parall and serial ports, serial and parall ATA
What are the processor sockets
Pin grid array(PGA)
Land grid array (LGA)
What are the main types of expansion slots?
PCI
AGP
PCIe
Which expansion slots are known mostly for legacy video card use
AGP
What color are AGPs usually?
Brown
Which expansion slot replaces OCI and AGP?
PCIe
Give some expansion devices that might be installed in the expansion slots!
Video. Network. Sound and disk interface cards
What are the speeds supported by PCIe?
x1 x2 x4 x8 x12 x16 x32
How many pins does a power connector have?
24
What is a firmware
Name given to any software encoded in hardware
What happens when you start up a machine?
BIOS initialize
Runs system check routine/POST
What does the POST routine do?
Verify the integrity of the BIOS
Verify and confirm the size of primary memory
Analyse and catalog other forms of hardware
Offer use a key sequence
What happens when the time and date is incorrect
This is a problem with the CMOS battery
Where would you normally find Arm processors?
Mobile phones
List the 3 types of cache
L1-smaller and faster
L2
L3-larger and slower
What are the advantages and disadvantages of of ROM
It’s reliable
Slow compared to RAM
Cannot be updated
