Скачать или смотреть RRB PO Mains Computer Awareness Class 18 | Number System & Memory Units

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Welcome to Class 18 of our Computer Awareness series for IBPS RRB PO & Clerk Mains 2025! Today's session covers the most technical part of the syllabus: Number Systems and Computer Memory.

Many aspirants skip "Number System" questions, but with the tricks shared in this video, you can solve them in seconds. We also discuss the hierarchy of computer memory (Registers to Secondary Storage).



[Image of computer memory hierarchy pyramid]


📚 *Topics Covered in Class 16:*
✅ Number System Conversions (Binary, Decimal, Octal, Hexadecimal)
✅ Bit, Byte, Nibble, KB, MB, GB, TB, PB (Memory Units)
✅ Types of Memory: RAM (SRAM vs DRAM) & ROM (PROM, EPROM)
✅ Cache Memory & Virtual Memory explained
✅ Previous Year Questions on Storage



Mastering these conversions is essential as 1-2 questions are guaranteed from this topic!

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👇 *Timestamps:*
0:00 - Introduction
1:45 - Memory Hierarchy Explained
6:10 - RAM vs ROM (Difference)
11:30 - Memory Measurement Units (Bit to YottaByte)
16:00 - Number System Basics
19:45 - Binary to Decimal Conversion Trick
24:30 - Hexadecimal & Octal Conversions
28:00 - Homework Question

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