Fill in the blanks: 5 Marks 1.The types of computer memory are __PRIMARY_____________ and ___SECONDARY _____________. 2. A small memory chip that is attached between the CPU and the main memory to increase speed is known as ____________________. 3. In a computer system if a switch is turned ‘ON’ it is considered 1 and if it is turned ‘OFF’ it is ________. 4. ________________ technology uses laser light to read or write data to or from optical discs. 5. To transfer processed data with high speed, the computer uses a number of special memory units called _________________. II. Answer the following Questions: 1. What is the difference between Magnetic tapes and Magnetic discs? 2 Marks Please write 2 points for each 2. What are the different types of Optical discs we use?1 Mark 3. Write a few points on WORM. 1 Mark 4. Write a few points on Erasable Optical Disc. 1 Mark