What is the temperature needed to change the alloy on the disk when DVD-RAM writes a laser heat?
200-300°c
200°c
500-700°c
50-100°c
How is direct access related to serial access?
Slower
Faster
Medium
Equal
Which one is used to collect,store,retrieve and present information in a proper manner?
DBMS
SMS
DataBase
None of these
Give an example of Direct access?
Magnetic tape
CD
Printer
Audio Magnetic tape
Which is the highest level in the hierarchy of data organization?
Data bank
Data base
Data file
Data record
Give an example of serial access.
DVD
Blu-ray disks
In which form does data is stored in RDBMS?
Forms
Files
Tables
Which is the latest RDBMS package?
Oracle
My Sql
Apache
What are the two main methods of accessing data?
Direct access and In direct access
Serial access and parellel access
Serial access and direct access
Primary access and secondary access
Which hard drive disk is used to store the operating system and working data?
Floppy disk drive
Portable hard disk
Fixed hard disk
CD Disk
