parth 200 -300

1. In which storage device, recording is done by burning tiny pits on a circular disk

• Punched cards

• Floppy disk

• Magnetic tape

• Optical disk

2. Which of the following printers uses light beam and electrostatically sensitive black powder

• Dot matrix printer

• Daisy wheel printer

• Chain printer

• Laser printer

3. The primary purpose of an operating system is

• To make the most efficient use of then computer hardware

• To allow people to use the computer

• To keep system programmers employed

• To make computers fast.

4. The operating system manages

• Memory

• Processor

• Disk and i/o devices

• All of the above

5. Scheduling is

• Allowing job to use the processor

• Unrelated performance considerations

• Quiet simple to implement, even on large main frames

• The same regardless of the purpose of the system

6. Which of the following translators converts assembly language program to object program

• Assembler

• Compiler

• Microprocessor

• Linker

7. Multiprogramming systems

• Are easier to develop than single programming systems

• Execute each job faster

• Execute more jobs in the same time period

• Use only one large mainframe computer

8. Which device is used for entering x – y coordinates

• Card reader

• Joystick

• Keyboard

• All of the above

9. Impact printers

• Strike a ribbon against the paper to produce character images.

• Include ink-jet and thermal devices

• Are more expensive than laser printers

• Use optical technology

10. Bar codes stores information using

• Punched holes

• Dots

• Thick and thin lines

• All of the above