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I have applied for COAL india E2 grade IT System but i dont have any source for IT question answers.

Even on youtube there is limited Q&A.

Can anyone suggest good books for IT/CSE to crack PSU exams.

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Coal India limited Syllabus for Paper I

Numerical Ability:

  • Number System
  • decimals
  • fractions
  • relationships between numbers
  • Percentage
  • Ratio & Proportion
  • Square roots
  • Averages
  • Interest
  • Profit and Loss
  • Discount
  • Mixture and Allegation
  • Time and distance
  • Time & Work
  • Basic algebraic identities of School Algebra
  • Factor
  • Heights and Distances
  • A.P. & G.P.Series
  • General Knowledge/ Awareness

    • Everyday Science
    • Scientific Research
    • Sports
    • Indian Culture
    • Indian History
    • Indian national movement
    • World & Indian Geography
    • Natural resources
    • Indian Economy
    • Indian Polity
    • Indian Constitution
    • National & International current affairs
    • Environment
    • India’s Agriculture
    • Trade & Commerce
    • Basic Information technology.
  • Reasoning:

    • Analogies
    • similarities and differences
    • space visualization
    • spatial orientation
    • problem-solving
    • analysis
    • judgement
    • decision making
    • Visual memory
    • discrimination
    • observation
    • relationship concepts
    • arithmetical reasoning
    • figural classification
    • arithmetic number series
    • non- verbal series
    • coding and decoding
    • Word Building statement conclusion
    • syllogistic reasoning
    • puzzle
    • Venn Diagrams
    • Space Visualization
    • Symbolic/Number Classification
    • Figural Classification etc.
  • General English

    • Error recognition
    • fill in the blanks (verbs, Preposition etc.)
    • synonyms
    • antonyms
    • spelling/detecting Mis-spelt words
    • idioms & phrases
    • one word substitution
    • sentences structure
    • Sentence completion
    • shuffling of sentence parts
    • shuffling of sentences in a passage
    • comprehension passage

Coal India Syllabus 2020: Paper-II Systems / IT  Engineering Official syllabus

  • Algorithms

    • Searching, sorting, hashing. Asymptotic worst-case time and space complexity. Algorithm design techniques: greedy, dynamic programming and divide‐and‐conquer. Graph Search, minimum spanning trees, shortest path.
  • Programming and Data Structures
    • Programming in C. Recursion. Arrays, stacks, queues, linked lists, trees, binary search trees, binary heaps, graphs.
  • Computer Networks
    • Concept of layering. LAN technologies (Ethernet). Flow and error control techniques, switching. IPv4/IPv6, routers and routing algorithms (distance vector, link state). TCP/UDP and sockets, congestion control. Application layer protocols (DNS, SMTP, POP, FTP, HTTP). Basics of Wi-Fi. Network security: authentication, basics of a public key and private key cryptography, digital signatures and certificates, firewalls.
  • Computer Organization and Architecture
    • Machine instructions and addressing modes. ALU, data‐path and control unit. Instruction pipelining, Memory hierarchy, Cache, Main memory and secondary storage, I/O interface (interrupt and DMA mode).
  • Databases
    • ER‐model. Relational model: relational algebra, tuple calculus, SQL. Integrity constraints, normal forms. File organization, indexing (e.g., B and B+ trees). Transactions and concurrency control.
  • Operating System
    • Processes, threads, inter‐process communication, concurrency and synchronization. Deadlock, CPU, Scheduling, Memory Management and virtual memory, Fire Systems
  • Digital Logic
    • Boolean algebra. Combinational and sequential circuits. Minimization. Number representations and computer arithmetic (fixed and floating-point).
  • Compiler Design 
    • Lexical analysis, parsing, syntax-directed translation. Run time environments. Intermediate code generation.
  • Theory of Computation
    • Regular expressions and finite automata. Context-free grammars and push-down automata. Regular and context-free languages, pumping lemma. Turing machines and undesirability.

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