Question : Which of the following is not an operating system?

Option 1: Multi-user single-tasking

Option 2: Single-user single-tasking

Option 3: Single-user Multi-tasking

Option 4: Multi-user Multi-tasking

Question : What MS-DOS command is used to create a sub-directory?

Option 1: DIR/MK

Option 2: MKDIR

Option 3: CHDIR

Option 4: RMDIR

Question : Which one of the following is an MS- DOS external command?

Option 1: DIR

Option 2: COPY

Option 3: FORMAT

Option 4: PROMPT

Question : Microsoft Excel is a

Option 1: Graphics Package

Option 2: MS Office Package

Option 3: Financial Planning Package

Option 4: Electronic Spreadsheet

Question : Which of the following is also termed as main memory of a computer?

Option 1: RAM

Option 2: ROM

Option 3: Hard disk

Option 4: Compact disk