PPSC Junior Computer Operator Past Papers

____are programs that control and direct the operations of a computer hardware .

1. Application software
2. MS Office suite
3. Operating system
4. Game software

Which of the following is temporary storage area for data before and after it is processed?

• RAM
• ROM
• CD
• Floppy

____is used to transmit digital data over telephone lines.

• Network card
• Sound card
• Graphic card
• Modem

Barcode reader is a/an;

• Input device
• Output device
• Strong device
• Display device

Daisy wheel printing is a example of ______

• Thermal printing
• Impact printing
• Laser printing
• Liquid inkjet printing

Types of computer memory are;

• Two
• Four
• Three
• Six

PNG ( Portable Network Graphic) is an example of ;

• Vector graphic
• Raster graphic or bitmaps
• colour graphic
• Negative films

Software is also called_____

• A computer program
• Physical part of computer
• Input device
• Output device

Main type (s) of software is /are;

• System software
• Application software
• Request software
• Both A and B