Combined Bank Senior Officer May 2026 – Preliminary question & solution

Questions from the Combined Bank Senior Officer recruitment exam, May 2026 – Preliminary, shared by the candidates who sat it. The paper: 10 MCQs. So far 10 MCQs have been shared. Topics include Computer Networks, Computer Basics, Coding, Computer Architecture and Digital Logic.

MCQ (10)

  1. The delay before data transfer begins is called —
    1. a) Bandwidth
    2. b) Latency
    3. c) Throughput
    4. d) Network jitter
  2. A bit is the smallest unit of data. How many bits make one byte?
    1. a) 4
    2. b) 8
    3. c) 16
    4. d) 32
  3. Which high-level language is widely known for its readability?
    1. a) Binary
    2. b) Assembly
    3. c) Python
    4. d) Machine code
  4. Which component permanently stores the start-up instructions (firmware)?
    1. a) ROM
    2. b) Cache memory
    3. c) RAM
    4. d) Motherboard
  5. The basic unit of information represented by a single 0 or 1 is a —
    1. a) Byte
    2. b) Nibble
    3. c) MS Word
    4. d) Bit
  6. Which gate outputs 1 only when both inputs are 1?
    1. a) OR
    2. b) XOR
    3. c) AND
    4. d) NAND
  7. Which port is most commonly used for wired Ethernet?
    1. a) HDMI
    2. b) RJ45
    3. c) USB-C
    4. d) VGA
  8. Which communication mode allows two-way flow, but only one direction at a time?
    1. a) Simplex
    2. b) Half-duplex
    3. c) Full-duplex
    4. d) Multiplex
  9. Which protocol ensures reliable data transmission?
    1. a) UDP
    2. b) IP
    3. c) TCP
    4. d) ARP
  10. Which technology is commonly used for real-time big-data processing?
    1. a) Hadoop MapReduce
    2. b) Apache Spark
    3. c) MySQL database
    4. d) Oracle ERP

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