Match the following: List I List II A. GTO 1. Widely used in digital computers B. UJT 2. Used for freewheeling C. Power Diode 3. Can be turned off by negative gate signal D. MOSFET 4. Used in generating triggering pulses

• A-1, B-2, C-3, D-4
• A-4, B-2, C-3, D-1
• A-3, B-4, C-2, D-1
• A-2, B-1, C-3, D-4