Combined Bank Senior Officer 2020 – Preliminary question & solution

Questions from the Combined Bank Senior Officer recruitment exam, 2020 – Preliminary, shared by the candidates who sat it. The paper: 30 MCQs. So far 30 MCQs and 13 written questions have been shared. Topics include Coding, Computer Architecture, Computer Basics, Software Engineering and Emerging Technology.

MCQ (30)

  1. Which of the following is not a web server attack type?
    1. a) DoS attack
    2. b) Website Defacement using SQLi
    3. c) Directory Traversal
    4. d) Password guessing
  2. The ____ loop is especially useful when you process a menu selection.
    1. a) while
    2. b) do-while
    3. c) for
    4. d) switch
  3. Which file format can be added to a PowerPoint show?
    1. a) .jpg
    2. b) .gif
    3. c) .wav
    4. d) All of the above
  4. Which shortcut key on the keyboard can be used to view slide show?
    1. a) F1
    2. b) F7
    3. c) F5
    4. d) F12
  5. Multiple calculations can be made in a single formula using
    1. a) Standard Formula
    2. b) Array Formula
    3. c) Complex Formula
    4. d) Smart Formula
  6. The ____ block is used to execute a given set of statements whether the exception is thrown or not.
    1. a) try
    2. b) tryif
    3. c) finally
    4. d) thrown
  7. Which area in an Excel window allows entering values and formulas?
    1. a) Title bar
    2. b) Menu bar
    3. c) Formula bar
    4. d) Standard tool bar
  8. Java uses a keyword ____ to preface a block of code that is likely to cause an error condition and 'throw' an exception.
    1. a) throw
    2. b) catch
    3. c) finally
    4. d) try
  9. Which of the following methods is not included in the InputStream class?
    1. a) available()
    2. b) reset()
    3. c) flush()
    4. d) close()
  10. A proxy firewall filters at ____.
    1. a) Physical layer
    2. b) Data link layer
    3. c) Network layer
    4. d) Application layer
  11. Virtual memory is located on:
    1. a) RAM
    2. b) CPU
    3. c) Flash drive
    4. d) Hard drive
  12. A number of signals can be carried simultaneously if each signal is modulated onto a different carrier frequency; this is called:
    1. a) TDM
    2. b) FDM
    3. c) Frequency modulation
    4. d) Pulse modulation
  13. Convert the binary number (1011010)₂ into hexadecimal.
    1. a) 5B
    2. b) 5F
    3. c) 5A
    4. d) 5C
  14. Which of the data structures is linear type?
    1. a) Tree
    2. b) Binary Tree
    3. c) Queue
    4. d) Graph
  15. If List = [1,2,3,4,5] and we write List[3] = List[1], then what will be List[3]?
    1. a) 1
    2. b) 3
    3. c) 2
    4. d) 4
  16. In programming, the DRY principle makes the code-
    1. a) reusable
    2. b) loop forever
    3. c) repetitive
    4. d) complex
  17. K nearest neighbor algorithm is part of:
    1. a) Clustering algorithm
    2. b) classification algorithm
    3. c) association algorithm
    4. d) None of these
  18. If the class labels of training data set are unknown in machine learning, then it is called:
    1. a) classification
    2. b) clustering
    3. c) association
    4. d) reinforcement learning
  19. Communication path between a computer microprocessor and main memory is called:
    1. a) System bus
    2. b) ISA bus
    3. c) PCI bus
    4. d) Local bus
  20. Ice Lake CPU is Intel's code name for the processor of:
    1. a) 11th generation
    2. b) 8th generation
    3. c) 9th generation
    4. d) 10th generation
  21. Smallest unit of Bitcoin is called:
    1. a) unit coin
    2. b) satoshis
    3. c) Ethereum
    4. d) litecoin
  22. In Core i7-8650U processor, here U means:
    1. a) Ultra low power
    2. b) Ultra high power
    3. c) Upgrade version
    4. d) Upgrade processor
  23. Which is not a pipeline hazard?
    1. a) Resource hazard
    2. b) Control hazard
    3. c) Address hazard
    4. d) Data hazard
  24. In a block chain, a bundle of transactions is called:
    1. a) node
    2. b) block
    3. c) chain
    4. d) nonce
  25. The processor reading an instruction from memory is called:
    1. a) Interpret instruction
    2. b) Fetch instruction
    3. c) Read instruction
    4. d) Fetch data
  26. A branch office, location or other data processing centers, where a newly developed system is used under normal operating conditions for…
    1. a) Beta test data
    2. b) String test data
    3. c) Alpha test data
    4. d) System test data
  27. Microprocessor references that are available in the cache are called ____:
    1. a) Cache hits
    2. b) Cache line
    3. c) Cache memory
    4. d) All of these
  28. Any error that occurs due to violation of a programming rule is ____.
    1. a) Syntax error
    2. b) Run-time Errors
    3. c) Linker Errors
    4. d) Logical Errors
  29. Running the given task in less time by increasing the degree of parallelism in DBMS is called ____.
    1. a) scale up
    2. b) roll up
    3. c) speedup
    4. d) Data Warehouse
  30. The most common use of ____ in OOP occurs when a parent class reference is used to refer to a child class object.
    1. a) Polymorphism
    2. b) Inheritance
    3. c) Encapsulation
    4. d) Method overriding

Written (13)

  1. Explain Binary Search Tree operation.
  2. What is the function of GGSN?
  3. Explain Debugging approach technique.
  4. Explain sniffing and spoofing.
  5. When does a deadlock occur and how do you prevent it, in a database?
  6. Write a C program to check Armstrong Number.
  7. Write a program for linear search (searching algorithm) to find whether a given number is present in an array and, if it is present, at…
  8. How can the memory performance of a computer be improved?
  9. Explain how to convert half adder to full adder?
  10. Ergonomics is a study of characteristics of iteration. How to measure quality of sitting good chair (ergonomics)?
  11. Explain homogeneous and heterogeneous multicore processor.
  12. What is page and block? Draw simple block diagram of SSD, page and block.
  13. Explain the factor of project complexity/factors of complexity.

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