When IBM released its first disk operating system “DOS version 1.0”?
A. 1971
B. 1972
C. 1978
D. 1981
A. 1971
B. 1972
C. 1978
D. 1981
A. All of the below
B. Multi-User
C. Multi-Tasking
D. Multi Processes
A. Machine
B. C++
C. java
D. C
A. Windows
B. Sun Microsystems
C. IBM
D. Apple
A. FIFO
B. LIFO
C. Tree
D. NRU
A. User
B. Operating systems
C. Application software
D. Server
A. All of these
B. a number of disks to the computer
C. a number of controllers to a device
D. a number of the device to a controller
A. RAM is essential
B. main memory is essential
C. processor is essential
D. processor is not essential
A. Ms-Dos
B. Linux
C. Window
D. Unix
A. with administration control
B. with corrupted data
C. that is modified after being loaded in the cache memory
D. that is less frequently access