IT Officer Questions | Basic Computer Knowledge


Which of the following maintenance strategies involves performing maintenance before problems occur to avoid breakdowns and disruptions?

   A.) Perfective Maintenance
   B.) Corrective Maintenance
   C.) Adaptive Maintenance
   D.) Preventive Maintenance

Answer: Option 'D'

Preventive Maintenance


Which is pre-emptive process scheduling algorithm?

   A.) FCFS
   B.) SJF
   C.) Round Robin
   D.) Both A and B

Answer: Option 'C'

​Round Robin


Which of the following is not a type of database?

   A.) Hierarchical
   B.) Relational
   C.) Network
   D.) Transition

Answer: Option 'D'



Bridge work at which layer of OSI Model?

   A.) network layer
   B.) Data link layer
   C.) Physical layer
   D.) application layer

Answer: Option 'B'

Data link layer


In E-R Diagram, attribute is represented by ______

   A.) Rectangle
   B.) eclipse
   C.) Square
   D.) Double Rectangle

Answer: Option 'B'


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