In which year the first operating system was developed
1910
1940
1950
1980
Answer : C
Free Online Test
View More Related Question
1) What is a TSR?
test status request
terminate and stay resident program
take status request
token set ready
View Answer
2) Which command of DOS is used to compare two floppy disks?
3) Format command is used to
Prepare a blank disk
Create a new blank disk from a used one
Both of above
None of above
View Answer
4) You suspect that your automatic modem dialer is not working correctly. Which of the following commands will manually dial the number 123-4567?
5) The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is:
