module 5 Flashcards
how can a user evaluate storage?
IDENTIFY THE CAPACITY NEEDED
CONSIDER TRANSFER RATES
DO U NEED INTERNAL OR EXTERNAL STORAGE?
what is a video card
an expansion card installed inside your system unit
translates binary data into the images you view on your monitor
WHY DO U NEED A GPU?
BECAUSE U GET A BETTER RESOLUTION ON UR MONITOR
BECAUSE IT TAKES OFF THE LOAD OF GRAPHICAL COMPUTATION THE CPU NEED TO DO
how to do computer maintenance
Clean out your Startup folder
Clear out unnecessary files
Run spyware and adware programs.
Run the Disk Defragmenter utility on your hard drive
why do you need hardware and software updates??
TO KEEP UR SYSTEM AS OPTIMAL AS POSSIBLE
IF NOT IT WILL SLOW DOWN
what is the CPU composed of
CONTROL UNIT AND A ARITHMETICAL LOGIC UNIT
whats is a CORE in the CPU
A complete processing section from a CPU embedded into the same physical chip
the “brain” of a CPU
It receives instructions, and performs calculations, or operations, to satisfy those instructions
A CPU can have multiple cores
what is the cock speed of a CPU
How quickly the processor works
measured in Hertz — generally in gigahertz, or GHz
measure of how many clock cycles a CPU can perform per second
basically, a performance measurement
what is the cache in a CPU
The amount of immediate access memory the CPU has
smaller, faster memory, located closer to a processor core
your computer operating smoothly by storing items from the main memory in other areas
Front side bus in CPU
connects the CPU (chipset) with the main memory and L2 cache
what are the types of RAM
DDR2
DDR3
SRAM
DRAM
SDRAM
what doe you have to consider when adding a RAM to your computer
Type of RAM module
Amount of RAM
Maximum limit
Number of slots
Operating system
is the RAM a temporary or permanent storage
it is a temporary storage
is the Hard drive (or hard disk) a temporary or permanent storage?
it is a permanent storage
how is the storage capacity of a hard drive measured?
in terabytes
how is the access time of a hard drive measured?
in milliseconds
how is the data transfer of a hard drive measured?
MB/s
what is the hard disk drive composed of?
composed of several coated platters stacked on a spindle
what is the difference between a hard drive and a hard disk
Hard Disk is a magnetic material coated disk (platter/s)
Hard Drive is a device for storing data into a Hard Disk
what is the functioning of optical storage
how is the data or info stored?
Store data as tiny pits burned into a disc by a laser
what are examples of optical storage
CD-ROM: PRERECORDED
CD-R RECORDABLE
CD-RW: REWRITABLE
DVDs
Blurays
what is the use of sound cards
ENABLE YOUR COMPUTER TO PRODUCE SOUNDS
INPUT/OUTPUT SOUND
converts digital data to analog sound waves you can hear
