PYQPulse
HomeMocksPracticePYQsUpdatesDashboard
PYQPulse

Timing-accurate mock tests and PYQs for SSC, Banking and Railway exams — so the real paper feels like a revision.

Exams

  • SSC exams
  • Banking exams
  • Railway exams
  • All exams

Practice

  • Practice questions
  • Mock test series
  • Sectional tests
  • Year-wise PYQs
  • Performance analytics

Company

  • About us
  • Help Centre
  • Pricing
  • Sign in

Legal

  • Privacy Policy
  • Terms of Service

Contact

  • hello@testwala.co.in
  • Telegram
  • +91 62816 87760

Practice interface modeled on the official exam pattern — not the official examination. PYQPulse is not affiliated with the Staff Selection Commission, IBPS, SBI, RBI, NABARD, SEBI or Indian Railways.

© 2026 PYQPulse. All rights reserved.

Built for aspirants, by aspirants.

HomeMocksPracticeStats
  1. Home
  2. ›
  3. PYQs
  4. ›
  5. RRB Junior Engineer / DMS / CMA
  6. ›
  7. 2019
  8. ›
  9. Q3554

RRB Junior Engineer / DMS / CMA 2019 · Question 3554 of 3719

In BCD code, maximum possible characters set size is-

  1. ACharacter set of 94
  2. BCharacter set of 84
  3. CCharacter set of 64Correct
  4. DCharacter set of 104

Answer: C. Character set of 64

Explanation

The correct answer isCharacter set of 64. Important Points BCD (Binary Coded Decimal) is simply the 4-bit binary code representation of a decimal digit. Each decimal digit replaced in the integer and fractional parts by its binary equivalent. BCD Code uses four bits to represent the 10 decimal digits of 0 to 9. BCD code is often called 8421 because the BCD is a weighted code and the weights used in binary coded decimal code are 8, 4, 2, 1. The first 8-bit Extended Binary Coded Decimal Interchange Code (EBCDIC) introduced by IBM.

Source: RRB JE 2019 (CBT 2) (ME) Previous Year Paper (31 Aug 2019) — prepp.in solved-paper PDF (answer key with explanations) · reliable-secondary

← Q3553View full paper (3719 questions)Q3555 →

Practice the full RRB Junior Engineer / DMS / CMA 2019 paper

Timed test with all 3719 questions, just like the real exam.

Start test