Practice Questions

Duration: 2 min

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Module outline

  1. Quantitative Aptitude: Ratio and Proportion (Ratios), Data Interpretation, Mixture and Alligation, Permutation and Combination, Number System, Sequence and Series (Series), Speed Time and Distance, Speed Mathematics and Basic Mathematics, Algebra, Percentage, Profit and Loss, Simple Interest and Compound Interest, Powers and Exponents (Surds and Indices), Time and Work, Mensuration and Geometry, Partnership
  2. Reasoning Ability: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Seating Arrangements, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Directions (Direction Test), Ranking, Order and Sequence, Syllogisms, Blood Relations, Puzzle Solving (Puzzles), Inequality, Machine Input-Output
  3. English Language: Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Tenses, Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Cloze Test (Cloze Passage), Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Construction, Pronoun, Preposition, Conjunction, Adverb, Verb, Modals, Articles, Determiner, Interjection
  4. General Awareness: Evolution of Indian Banking (Banking & Financial Awareness), GK- Current Affairs, Static General Knowledge, Indian Economy
  5. C Concepts + MCQs (IT Specialist): C Programming by Yash Sir, C Language Core
  6. Java (IT Specialist): Java
  7. Python (IT Specialist): Python for Placements by Yash Sir, Python Basics
  8. OOPs (IT Specialist): Object Oriented Programming (OOPS)
  9. DBMS (IT Specialist): Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, ORDBMS, Database Security & Authorization, Query Processing & Optimization, Enhanced Data Models, Data Warehousing & Mining, Big Data Systems, NoSQL
  10. SQL (IT Specialist): SQL
  11. Software Engineering (IT Specialist): Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  12. Data Structure (IT Specialist): Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  13. Operating System (IT Specialist): Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Deadlock, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Windows OS, Linux OS, Security, Distributed Systems, Virtual Machines
  14. Compiler Design (IT Specialist): Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment
  15. Computer Architecture (IT Specialist): Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Pipelining, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Multiprocessors, Programming the Basic Computer
  16. Data Communication & Networking (IT Specialist): Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics, Network Security
  17. Descriptive Test (Main Exam): English Writing Ability
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video presents a computer architecture problem involving disk storage capacity and addressing. The instructor analyzes a disk configuration with 512 tracks, 128 sectors per track, and 256 bytes per sector. He calculates the total capacity in bytes and converts it to megabytes. Additionally, he determines the number of bits required to uniquely address each component of the disk structure. The lecture emphasizes converting decimal numbers to powers of 2 to simplify multiplication and addition of exponents.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The instructor reads the problem statement displayed on screen: "Consider a disk where there are 512 tracks, each track is capable of holding 128 sector and each sector holds 256 bytes..." He begins by visualizing the disk structure, drawing concentric red circles on the whiteboard to represent the tracks. He then breaks down the numbers into powers of 2 to facilitate calculation: 512 becomes 2^9, 128 becomes 2^7, and 256 becomes 2^8. He sets up the multiplication for total capacity: 2^9 x 2^7 x 2^8. He sums the exponents to find the total power of 2, resulting in 2^24 bytes. Finally, he converts this value to 16 MB, writing "16 MB" on the board next to the equation. He explicitly writes the exponents 9, 7, and 8 above the respective terms in the multiplication.

  2. 2:00 – 2:27 02:00-02:27

    The instructor shifts focus to the second part of the question: finding the number of bits required to reach the correct track, sector, and disk. He points to the exponents he previously calculated: 9, 7, and 8. He writes the summation 9 + 7 + 8 below the main equation. He explains that 9 bits are needed to address the 512 tracks, 7 bits for the 128 sectors, and 8 bits for the 256 bytes. He circles the total sum, which is 24, indicating the total addressing bits required. He reinforces the final capacity calculation of 16 MB while discussing these addressing bits. He underlines "16 MB" to emphasize the final capacity result.

The lesson effectively demonstrates how to calculate storage capacity by multiplying the number of tracks, sectors, and bytes per sector. It also highlights the relationship between the number of items in a hierarchy and the binary bits required to address them, showing that the total addressing bits equal the sum of the logarithms of each component count. The visual progression from drawing the disk to writing the mathematical formula reinforces the connection between physical structure and logical addressing.

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