Grade 4B
Date: 19.4.2021
Sub: Computer
Ch- Inside the System Unit

           
Topics taught: 

1.Main memory

a)Random Access Memory

b)Read-Only Memory(ROM):

                                    Types of ROM: PROM, EPROM and                                                                              EEPROM

2.  Secondary Memory

Note: Please refer page 3,4,5 of your computer Text book

H/W :

Read page number 3,4,5 of your text book

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