DMA stand for ____________
Data Memory Access
Data Management Access
Direct Memory access
Direct Management access
_________ is a program which is running at all times on the computer.
Hardware
Application
Operating system
None of these
____________ makes efficient use of computing resources.
System software
Application software
Both of these
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 security
Data confidentiality
Help facility
According to ________ architecture application, program and data should reside in main memory.
Lady ada Lovelace
Charles babbage
Berners lee
John Von Neumann
___________ algorithm based on queuing.
SJF
FIFO
Round Robin
___________ is a step by step method to solve a given problem.
Flow chart
Program
Algorithm
All of these
