Storage Devices & Media

Backing up refers to the copying of files/data to a different medium in case of a problem with the .....

• Main Storage Device

• External Storage Device

• Main Secondary Storage Device

• Hard disk drive

One example of good computing practice

• Deleting cache and cookies regularly

• Formatting storage devices regularly

• Set up automatic schedule for backing up files regularly

• Stored backups data in the same storage to main storage

Why back up data? Pick 3 reasons

• Safeguard against loss data due to the storage device failure

• Safeguard against virus

• Safeguard against hackers

• 24/7 availability

Three main reason that cause loss data in the computer main storage devices

• Failure of the original secondary storage devices

• Corrupted files

• Hardware failures

• Out of date Operating System

The weakness of backing up files, the ..... could attach itself to the files, which mean the backup files reloaded.

A single piece of information is called?

• Record

• File

• Field

• Database

One complete sets of fields is called?

• Record

• File

• Field

• Database

....... is a collection of records

Which type of access that access each record in turn until the required record is found?

• Serial

• Direct

Storage device that uses serial access and in a very slow form of data access, called?

• Magnetic tape

• CD-R/CD-RW

• Memory stick

• HDD