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exam
cst2750
31
Computer Networking
Undergraduate 4
03/22/2012

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Cards

Term
pit
Definition
tiny indentations where data stored
Term
lands
Definition
area between pits
Term
track
Definition
path on which sound is recorded
Term
+ and -r
Definition
+r is less compatible but more error free
Term
dvd dl storage
Definition
8.5gb
Term
bluray storage
Definition
25gb / dl is 50gb
Term
cd storage
Definition
700mb
Term
4 factors consider when purchasing hdd
Definition
capacity, type of connector, speed of spindle, avg seek time
Term
5 questions interviewing user
Definition
last thing you did, any error messages, did you installing something new, how long has it been happening, any important data
Term
hdd access time
Definition
time it takes head assembly to travel to track of disc that contains data
Term
best option for backing up / worse
Definition
external / raid, tape
Term
primary partition
Definition
contains one file system and has os boot files on it
Term
extended partition
Definition
container in which you can create multiple logical partitions
Term
logical partition
Definition
contain only data files and os
Term
low level format
Definition
outlining the positions of the tracks and sectors of the hdd
Term
high level format
Definition
writing file system structures
Term
first sector
Definition
mbr, or boot sector
Term
sata
Definition
serial advanced technology attachment,computer bus interface for connecting storage devices
Term
pata
Definition
paralell advanced technology attachment
Term
firewire
Definition
is a serial bus interface standard for high-speed communications and isochronous real-time data transfer.
Term
usb
Definition
Universal Serial Bus (USB) is an industry standard developed in the mid-1990s that defines the cables, connectors and communications protocols used in a bus for connection,
Term
ide
Definition
integrated drive electronics
Term
scsi
Definition
Small Computer System Interface, is a set of standards for physically connecting and transferring data between computers and peripheral devices
Term
disadv of tape drives
Definition
stored in sequential access
Term
avg seek hard drive
Definition
.2 and .8 ms
Term
avg seek cd
Definition
200ms
Term
avg seek dvd
Definition
65 and 75 ms
Term
what determines capacity on hard drive
Definition
multiply heads tracks and sectors per track for limit
Term
components of hard drive
Definition
read / write head,platters, two motors,
Term
componenets of cd rom
Definition
lens, spindle motor,
Term
components of dvd
Definition
lazer,
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