{
  "General Aptitude": [
    "Verbal Aptitude",
    "Quantitative Aptitude",
    "Analytical Aptitude",
    "Spatial Aptitude"
  ],
  "Engineering Mathematics": [
    "Discrete Mathematics",
    "Linear Algebra",
    "Calculus",
    "Probability and Statistics"
  ],
  "Digital Logic": [
    "Boolean algebra",
    "Combinational and sequential circuits",
    "Minimization",
    "Number representations and computer arithmetic"
  ],
  "Computer Organization and Architecture": [
    "Machine instructions and addressing modes",
    "ALU, data-path and control unit",
    "Instruction pipelining, pipeline hazards",
    "Memory hierarchy: cache, main memory and secondary storage",
    "I/O interface"
  ],
  "Programming and Data Structures": [
    "Programming in C",
    "Recursion",
    "Arrays, stacks, queues, linked lists",
    "Trees, binary search trees, binary heaps",
    "Graphs"
  ],
  "Algorithms": [
    "Searching, sorting, hashing",
    "Asymptotic worst case time and space complexity",
    "Algorithm design techniques: greedy, dynamic programming and divide-and-conquer",
    "Graph traversals, minimum spanning trees, shortest paths"
  ],
  "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 undecidability"
  ],
  "Compiler Design": [
    "Lexical analysis, parsing, syntax-directed translation",
    "Runtime environments",
    "Intermediate code generation",
    "Local optimisation, Data flow analyses"
  ],
  "Operating System": [
    "System calls, processes, threads",
    "Inter-process communication, concurrency and synchronization",
    "Deadlock",
    "CPU and I/O scheduling",
    "Memory management and virtual memory",
    "File systems"
  ],
  "Databases": [
    "ER-model",
    "Relational model: relational algebra, tuple calculus, SQL",
    "Integrity constraints, normal forms",
    "File organization, indexing",
    "Transactions and concurrency control"
  ],
  "Computer Networks": [
    "Concept of layering: OSI and TCP/IP Protocol Stacks",
    "Basics of packet, circuit and virtual circuit-switching",
    "Data link layer: framing, error detection, Medium Access Control, Ethernet bridging",
    "Routing protocols: shortest path, flooding, distance vector and link state routing",
    "Fragmentation and IP addressing, IPv4, CIDR notation",
    "Transport layer: flow control and congestion control, UDP, TCP, sockets",
    "Application layer protocols: DNS, SMTP, HTTP, FTP, Email"
  ]
}