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Computer Peripherals, , Unit Test-1, Class: IX, Date: 29/10/21, | Fill in the blanks, 164A converts electronic data into sound., 2. Amouse has two and a wheel., 3. Acomputer modem is an example of a devices., 4. Very small dots seen on the screen of the monitor are called, 5; and are the primary storage devices., !| Write full forms, 1. VDT 2. LED 3.USB 4. HDD 5. ISP 6. MODEM, , Il! Answer the following, , 1. What is a modem?, 2. What is the difference between the o/p of a monitor and a printer?, 3. What is an input device? Give examples.