Computers- Computer Memory, Primary and Secondary Memory

You cannot play DVDs in a CD drive. ✘ Flash drive can be of 4 GB. ✘ A group of 8 bits is called nibble. ✘ Data written in CD-RW can be erase to write or record new information. ✔

CD - RW ✘ CD - R ✘ DVD-RW ✘ Flash drive ✔

✘ ✘ ✘ ✔

210 KB ✘ 210 GB ✘ 210 MB ✘ 2100 KB ✔

RAM ✘ PROM ✘ EEPROM ✘ EPROM ✔

It is not suitable for storage of data that we need to access randomly. ✘ There is no need to label magnetic tapes properly and logically to remember what data is on which tape. ✘ It should be stored in dust free environment. ✘ None of these ✔

Hard disk ✘ Flash drive ✘ Digital versatile disc ✘ RAM ✔

ROM ✘ Floppy disk ✘ RAM ✘ Hard disk ✔

Electronically Erasable Programmable Read Once Memory ✘ Electrically Erasable Programmable Read Only Memory ✘ Electronically Erasable Printable Read Only Memory ✘ Electrically Erasable Printable Read Only Memory ✔

Volatile ✘ Transient ✘ Permanent ✘ None of these ✔