Page 339 - FUNDAMENTALS OF COMPUTER

NPP

NPP Memory 339

Difference Between Static & Dynamic RAM
S.No. Static RAM Dynamic RAM

1. Bit stored in the form of voltage. Bit stored in the form of charge.
2. The smallest unit is a flip-flop. The smallest unit is a MOS cell.

3. Uses Bipolar or MOS Technology. Uses MOSFET Technology.
4. Low Access time, therefore faster. High Access time, slower
5. Expensive Inexpensive
6. Low packing Density High packing density

7. Does not require a refreshing Requires a refreshing circuit.
circuit

8. Large Power dissipation Small power dissipation.
9. Used for cache memory Used as main memory.
10. Suitable for text information Suitable for video, graphics, information.

ñQ>o{Q>H$ ao_ d S>m`Zm{_H$ ao_ _| A§Va

H«§$. ñQ>o{Q>H$ ao_ S>m`Zm{_H$ ao_

1. dmoëQ>oO Ho$ ê$n _| OmZH$mar hmoVr h¡Ÿ& Amdoe Ho$ ê$n _| OmZH$mar hmoVr h¡Ÿ&
2. BgH$s N>moQ>r BH$mB© pâbn-âbm°n h¡Ÿ& BgH$s N>moQ>r BH$mB© _mog-gob h¡ &

3. `o NPN Q´>m§{OñQ>a `m MOS H$m `o MOSFET H$m Cn`moJ H$aVo h¢Ÿ&
Cn`moJ Ad`d Ho$ ê$n _| H$aVo h¢ &
4. VoO J{V hmoVr h¡ & Yr_r J{V hmoVr h¡Ÿ&

5. _h±Jr gñVr

6. KZËd H$_ hmoVm h¡Ÿ& KZËd A{YH$ hmoVm h¡Ÿ&
7. [a\«o$qeJ n[anW Zht hmoVm h¡Ÿ& [a\«o$qeJ n[anW Amdí`H$ hmoVm h¡Ÿ&

8. A{YH$ nm°da {S>ñgrnoeZ H$_ nm°da {S>ñgrnoeZ

9. Ho$e _o_moar Ho$ ê$n _| Cn`moJ _oZ _o_moar Ho$ ê$n _|Ÿ&
_| AmVr h¡Ÿ&
10. Q>oŠñQ> (Text) hoVw C{MV hmoVr h¡ Ÿ& J«m{\$Šg, {d{S>`mo gyMZm Am{X hoVw C{MVŸ&