When was the first operating system developed?
a) 1950
b) 1961
c)1980
d) 1969
Which of the following is used to allocate CPU to process?
a) context switcher
b) dispatcher
c) job pool
d) none of these
What does GUI stand for?
a) general user interface
b) graphical user interface
c) great unit interface
d) graphical unit interface
Which of the following provide an interface between a user program and operating system?
a) reserve call
b) system call
c) process call
d) none of these
The area of hard disk that is used for virtual memory is called….
a) Swap file
b) page
c) paging
The amount of data and program instructions that can be swap at a given time is called….
a) thrashing
b) page
c) paging
d) none
