Q1: Which Operating system is specially intended for using on microprocessor based systems that support a single user?
- a) Windows
- b) UNIX
- c) MS-DOS
- d) CP/M
Q2: What is the use of ‘time’ command?
- a) to display Greenwich mean time
- b) system time
- c) computer manufactured time
- d) computer off time
Q3: Which command is used to display all subdirectory of the logged drive and pause the screen display at each full screen?
- a) tree ! more (pipe)
- b) tree/p
- c) dir/p
- d) all
Q4: Which device driver configures extended memory and high memory area?
- a) himem.sys
- b) io.sys
- c) command.com
- d) win.com
Q5: Which program is used to create copies of important files on the disk?
- a) scan disk
- b) copy disk
- c) back up
- d) all
