کمپیوٹر کا ہارڈ ویئر

RAM stands for:

• 1 Read Access Memory
• 2 Rapid Active Memory
• 3 Remote Access Machine
• 4 Random Access Memory

Which memory loses its data when power is switched off?

• 1 RAM
• 2 Hard disk
• 3 ROM
• 4 USB drive

Which of these is a storage device?

• 1 Monitor
• 2 Mouse
• 3 Keyboard
• 4 Hard disk

The unit that performs arithmetic and logic operations in the CPU is the:

• 1 Control unit
• 2 ALU
• 3 Register
• 4 Cache

1 kilobyte is about:

• 1 1 million bytes
• 2 100 bytes
• 3 1000 bytes
• 4 10 bytes

A touch screen is both an input and an:

• 1 Software
• 2 Network
• 3 Storage device
• 4 Output device