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46 Cards in this Set

  • Front
  • Back
Which is not secondary storage
hard drives flash drives removable are (Primary storage is not)
Term for 1 Quadrillion
A Pedibyte
Storage devices access data
In millions of a second
Access time
Time it takes the computer to located an item on computer
Time it takes memory to access data
Billionth of a second
1 megabytes =
1 million forty something
Which is a magnetic storage medium
Hard drives and floppy drives-(DVD, CD are not)
Capacity
The number of bytes a storage can hold
Reading-
Term for process of transferring data and information from storage into memory
Writing-
Term for process of transferring data and information from memory to storage
Perpendicular Recordings are
10x greater -Hard disk(Vertical)
Hard disk spin at
5400rpm to 15,000 rpm
What happens when a read write head touches the service of a platter
Get a Head Crash
Longitudinal
Tradtionally Horizontal
External hard drive
Plugs into a port
Removable Hard disk-
A disk that you insert and remove
Which of the following is not a type of disk controller--(SAT, SCSI are
246
Which of the following is not an advantage of SAS over parallel SCSI
less expensive, support many more devices at once-
A typical floppy disk has storage capacity of up to
1.44 megabytes
Optical Disk-
Flat round optical storage
High Power laser light creates –
Pits
ReWrite CD –
Can be erased and re-written
CD Rom hold up to -
1 GB
Burning-
Process of writing on an optical disk is called
A mini DVD-
UMD-256
PC Card
Thin credit card size device commonly used in notebook computers
Express Card Module
Removable flash removable that goes into a express card slo
Tape Drive
Requires a sequential access of data
All of the following are flash memory devices except-
Memory stick
Storage capacity of 64 MB to 16 GB-
Compact Flash
Secure digital
64mb-8GB
XD Picture Card
64mb-2GB
Memory stick-
256mb-4GB
Smart Card-
ATM
Enterprise
A large business
Micro film-
Has the longest life expectancy
A floppy drives contains
144 mb-False
CHECK ANSWER
Are computers disk size the same as what is advertised by retailers
Actual size is different because of bad sectors-True
Removable hard disk have storage up to
750GB
Online storage disk can be saved it’s to the hard drive-
True
A floppy disk is –
True
CDRW-You can erase-
True
CD Rom is read only-
True
Tape drive is obsolete-
True
Current USB Flash-
True
Smart Cards can be updated -
True