_________ takes care of the printing work with printer.
Buffer
Spooling
Job
None of these
__________ ensures that the entire network behaves as a single computer.
DOS
Fault tolerance
Both of these
Which is the first program run on a computer when the computer boots up?
Operating system
System Operations
System software
_________ is a program which is running at all times on the computer.
Hardware
Application
The OS should provide _____________.
Reliability
Scalability
Data security
DMA stand for ____________
Data Memory Access
Data Management Access
Direct Memory access
Direct Management access
As per number of users, there are _____ types of operating systems.
1
2
3
4
_____________ means that the operating system should not allow unauthorized person.
Data confidentiality
Help facility
____________ makes efficient use of computing resources.
Application software
Bug means :
Error
Task
Process
