UGC-NET/GATE Multiple Choice Questions for Operating System.
The core of operating system is:
None of these
In order to allow only one process to enter its critical section, binary semaphore are initialized to
Use of icons and windows are characteristics of..... interface
When two or more processes attempt to access the same resource a..... occurs.
To view any currently running Terminate Stay Resident (TSR's) programs you could type:
Which of the following commands is used to list contents of directories?
What of the following tool is used to check and repair Linux file systems?
Process of preventing a job's memory partition from changing instruction of a job in another memory partition is called
NUMA can access memory from any unit takes
Let the page fault service time be 10ms in a computer with average memory access time being 20ns. If one page fault is generated for every $10^6$ memory accesses, what is the effective access time for the memory?
Fibre Optic cable is often used to
replace UTP because it is cheaper
overcome distance limitations
connect PC's to wall outlets
link remote sites using a WAN connection
A system program that combines the separately compiled modules of a program into a form suitable for execution
load and go
Each network segment must have a unique address
A relative block number is an index relative to:
the beginning of the file
the end of the file
the last written position in file
none of the mentioned
The commonly used UNIX commands like date, ls, cat, etc. are stored in
/bin and /usr/bin directories
Microsoft released window 95 in
There are 16 questions to complete.