SS 3 DP EXAM

_________ is a database table that has been reduced to certain fields

• Table

• An index

• Table model

• Network model

index contain a value and ________

• pointer

• sign

• update

• model

_________ is an index in which the search key contains some candidates key

• Unique index

• An index

• Composite

• Sparse index

Maintenance is necessary on computer to avoid _________

• hardware failure

• stealing

• invasion

• crime

Excess heat accelerates the deterioration of delicate _______ in the system

• vacuum

• transistors

• circuits

• particles

Dust and dirt are the most common cause of _________

• leakage

• overheating

• breakage

• spooling

It is advisable to wear _________ to reduce transferring static electricity from your body to the computer

• hand glove

• anti – static wrist strip

• coat

• dust cover

Which of the following is not a software maintenance?

• virus

• spyware

• hard disk

• registry removal

The software maintenance that involves developing and deploying solutions to problems is ______

• corrective

• adaptive

• preventive

• perfective

The software maintenance that takes care of the changes that occurs in software maintenance is called ________

• adaptive

• corrective

• perfective

• preventive