Studied by 1 person
Looks like no one added any tags here yet for you.
what are 3 advantages of using hard disk drives
Very fast data transfer
high storage capacity
cheaper for larger amounts of data
what are 3 disadvantages of using hard disk drives
fixed hard disks cannot be transferred between computers
many moving parts
can be easily damaged
what are 3 uses for fixed hard disk drives
store operating system
store application software
used in real time systems
what are 2 uses for portable hard disk drives
used to back up systems
used to transfer files or software
what are 3 advantages of using portable hard disk drives
can be attached to any computer with usb
large storage capacity
very fast data access and transfer
what are 3 disadvantages of using portable hard disk drives
danger of virus
can be easily damaged
more expensive than other removable forms of media
what are 3 uses of magnetic tapes
used for backups for file servers
store large amounts of payroll records'
used in batch processing applications
what are 3 advantages of using magnetic tapes
less expensive
robust
data transfer is fast
what are 3 disadvantages of using magnetic tapes
updating files requires a new tape
special drive needed to read and write data to them
not suitable for applications which require fast access to data
what are 2 uses of CD-ROM and DVD-ROM
store music files, software and computer games
used in applications to avoid overwriting or deleting the data
what are 2 advantages of using CD-ROM and DVD-ROM
Cheaper to buy
data cannot be overwritten nor erased once written
what are 2 disadvantages of using CD-ROM and DVD-ROM
Data transfer is slower when compared to hard disk drives
data access time is greater than hard disk drives
what are CD-R and DVD-R
R means that the disk is recordable only once and it then becomes a CD-ROM / DVD-ROM once it has finalised which also means that the CD/DVD cannot have additional data to be written into it
