The answer is (a.) DOS
DOS stands for Disk Operating System. MS-DOS is the operating system which has a command interface similar to the command prompt of Windows 7 and Windows 8. Among the options, DOS is the only OS which is has a command line interface. Others have graphics.
Answer:
- the Keyboard:
The keyboard is a handheld device used to input alphabet, numbers, symbols and characters to a monitor. It also houses the special manipulative and function keys.
- the Control Unit:
The control unit is a component of the CPU which directs the operation of the processor.
- the Printer:
The printer is an external hardware output device which takes electronic data stored on a device and creates a hard copy.
Answer:
system analysis and design
Explanation:
a broad term for describing methodologies for developing high quality information Sytem which combines Information Technology, people and Data to support business requirement...A methodology is essentially a procedure to get something done.
Depends on which program you are using. Some programs automatically save your work, even if you exit out of it or turn off your computer
