Computer virus are based on the principle of:
Self Replicating
Self activating
Destructing
None of the above
Data management system may be implemented as:
System software
Application software
Computer program
All of the above
Interface consist of:
Software only
Hardware only
Hardware and software
None of these
Which of the following terms applies to communication between separate computer systems?
Computer literacy
Power supply
Connectivity
The individual who catalogs storage media is the:
Data clerk
Control clerk
Tape librarian
Index hole is:
A hole in a hard disk.
A place of indication where the instructions are stored
Used to store the listing of all the files
What is the control unit's function in the CPU?
To decode program instruction
To transfer data to primary storage
To perform logical operations
To store program instructions
A Floppy Disk:
Can be used only for off-line data entry
A fold able disk used as a peripheral to a small computer
A flexible plastic disk coated with magnetic oxide
Has less storage capacity than winchester disk
The storage device is chosen on the basis of
Cost per bit of storage
Storage capacity
Retrieval speed
A sector in a magnetic disk is:
A volatile memory
A unique track which can be accessed by the disk operating system
A number of contiguous tracks storing a data file
A part of the data base track
