Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Computer Organization and Architecture I/O Interface
Match the following I/O Transfer Modes with their Characteristics:
| List-I | List-II |
| A. Programmed I/O | I. CPU remains idle while the data is being transferred |
| B. Interrupt-driven I/O | II. CPU is actively involved in the data transfer process |
| C. Direct Memory Access (DMA) | III. I/O device interrupts the CPU when it is ready for data transfer |
Choose the correct answer from the options given below:
1
A-II, B-III, C-I
2
A-I, B-II, C-III
3
A-III, B-II, C-I
4
A-II, B-I, C-III