Computer Fundamentals Tricks

SBI POIBPS POSBI Clerk

Yaad Karne ki List

  1. Computer generations (1st: Vacuum tubes, 2nd: Transistors, 3rd: ICs, 4th: Microprocessors, 5th: AI)
  2. Memory hierarchy (Register → Cache → RAM → HDD/SSD)
  3. Network types (PAN → LAN → MAN → WAN)
  4. OSI Model layers (7 layers)
  5. Input/Output devices
  6. File extensions
  7. Keyboard shortcuts
  8. Database terms

Mnemonic Tricks

Sentence Trick

VT-IC-MA: Vacuum Tubes → Transistors → Integrated Circuits → Microprocessors → AI. Paanch computer generations order mein.

Kaise Map Hota Hai

Cue Maps To
V (1st Gen) Vacuum Tubes — huge, hot (ENIAC, UNIVAC)
T (2nd Gen) Transistors — smaller, faster
IC (3rd Gen) Integrated Circuits — multiple transistors on one chip
M (4th Gen) Microprocessors — CPU on single chip
A (5th Gen) AI — artificial intelligence, quantum

Kyun Yaad Rehta Hai

Computer generations almost har banking Mains mein puchi jaati hain.

Aksar Poochhe Jaane Wale Sawaal

Computer section sirf Mains mein hai?

Haan, SBI PO mein ye sirf Mains mein 'Reasoning & Computer Aptitude' ke part ke roop mein aata hai.