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Punjab Police Department Papers - 2019 Multiple Questions and Answers.
| 31. | What is a light pen? | ||
| A. | A mechanical input device | ||
| B. | Optical input device | ||
| C. | Electronic input device | ||
| D. | Optical output device | ||
| 32. | UNVAC is................? | ||
| A. | Universal Automatic Computer | ||
| B. | Universal Array Computer | ||
| C. | Unique Automatic Computer | ||
| D. | Unvalued Automatic Computer | ||
| 33. | The capacity of 3.5 inch floppy disk was.............? | ||
| A. | 1.40 MB | ||
| B. | 1.44 GB | ||
| C. | 1.40 GB | ||
| D. | 1.44 MB | ||
| 35. | Which of the following is a part of the Central Processing Unit? | ||
| A. | Printer | ||
| B. | Keyboard | ||
| C. | Mouse | ||
| D. | Arithmetic & Logic Unit | ||
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