Question Detail

Which is single user operating system

MS-DOS
UNIX
XENIX
LINUX

Answer: Option A

Similar Questions :

1. A public key encryption system

Allows only the correct sender to decode the data
Allows only the correct receiver to decode the data
Allows anyone to decode the data
none of above

Answer: Option B

2. Reference bit is used for

Implementing LRU page replacement algorithm
Implementing NRU algorithm
To check the page table entry in the cache memory
none of above

Answer: Option B

3. Which operating system reacts in the actual time

Batch system
Quick response system
Real time system
Time sharing system

Answer: Option C

4. Macintosh computer uses

System 7.0
AU/X
Xenix
none of above

Answer: Option B

5. Operating system is

A collection of hardware components
A collection of input output devices
A collection of software routines
All of above

Answer: Option C

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