विज्ञान और आईसीटी

4 उप-विषय · 38 PYQs

01

कम्प्यूटर विज्ञान

Computer generations: 1st Generation (1940-56) — Vacuum Tubes (ENIAC, UNIVAC), very large, high heat, unreliable. 2nd Ge...

16

PYQs

02

साइबर सुरक्षा

Malware types: Virus (Melissa — first major email virus, needs host program), Worm (Code Red — self-replicating, no host...

9

PYQs

03

रसायन विज्ञान

Important salts and formulas: Bleaching Powder — Ca(ClO)₂, Baking Soda — NaHCO₃, Washing Soda — Na₂CO₃.10H₂O, Plaster of...

9

PYQs

04

मानव जीवविज्ञान

Respiratory system: Air pathway — Nostrils → Pharynx → Larynx → Trachea → Bronchi → Bronchioles → Alveoli. Alveoli are t...

4

PYQs