Midterm 1 Flashcards
Temporary storage and memory used for data while the computer is running
RAM
Main system memory which can only store data briefly before it’s lost
DRAM - dynamic RAM
Memory tied directly to the system clock. Allows the system to know when data will be ready
SDRAM - Synchronous dynamic RAM
Cache memory that is built into the computer processor
SRAM - static RAM
Transfers data on both the rising and falling edges of the clock cycle
DDR - double data rate
Non-volatile system memory. Programs are not erased when the system shuts down
ROM - read only memory
Non-volatile memory chips that can be erased and reprogrammed directly in the circuit board
NAND flash memory
A type of firmware that contains basic utilities to boot up a system
BIOS - basic input output system
An upgraded firmware that runs on top of BIOS
UEFI - unified extensible firmware interface
A type of memory module which connects RAM to the motherboard
DIMM - dual inline memory module
A method used by SSDs to set aside active data and remove deleted data from the drive
Garbage collecting
What unit of measurement do SSDs write data in?
Pages
What unit of measurement is data stored in on an SSD page?
Block
What RAID level provides the following:
No redundancy
No fault tolerance
Requires minimum 2 drives
RAID 0
What RAID level provides the following: Disk mirroring Data integrity and fault tolerance Each pair of drives contains identical data Requires minimum of 2 drives
RAID 2
