Basic Computer Knowledge 10000 + Questions and Answers

RRB Group D - ALP 2018 Maths & Reasoning Free Mock Test

Computer Fundamentals Section

  • 1. ASCII stands for
A.) American Standard Code for Information Interchange
B.) American Stable Code for International Interchange
C.) American Standard Case for Institutional Interchange
D.) American Standard Code for Interchange Information

Answer: Option 'A'

ASCII is a code that converts the characters - letters, numbers, punctuation and control characters such as Alt, Tab etc - digitally from the ASCII code is used to represent data internally in the microcomputer ASCII codes 7 bits and can represent 0 to 127 and are 8-bit ASCII, which represents 0 to 255.

  • 2. EBCDIC stands for
A.) Extended Binary Case Decimal Interchange Code
B.) Extended Bit Case Decimal Interchange Code
C.) Extended Bit Cod Decimal Interchange Code
D.) Extended Binary Coded Decimal Interchange Code

Answer: Option 'D'

EBCDIC is an 8-bit binary code for large IBM mainframes primarily wherein each byte represent an alphanumeric character or two decimal digits. 256 characters can be encoded using EBCDIC ..

  • 3. BCD is
A.) Binary Coded Digit
B.) Binary Coded Decimal
C.) Bit Coded Decimal
D.) Bit Coded Digit

Answer: Option 'B'

Explanation: BCD is encoded in binary notation wherein each of the decimal digits is expressed in 8 - bit binary number. For example, binary coded decimal notation 12 is 0001 0010 compared to 1100 in pure binary.

  • 4. Which of the following is first generation of computer
A.) ICL-2900
B.) CDC-1604
C.) IBM-1401
D.) EDSAC

Answer: Option 'D'

IBM-1401, CDC-1604 is the second generation computer. ICL-2900 is a fourth-generation computer.  EDSAC is important in the development of the computer because it was the first computer to use John von. Concept Neumann recorded program. It used 3,000 vacuum tubes and computers with vacuum tubes are the first generation computers.

  • 5. FORTRAN is
A.) File Translation
B.) Floppy Translation
C.) Format Translation
D.) Formula Translation

Answer: Option 'C'

Answer: Option 'C'
FORTRAN (Formula Translation) is one of the earlier High Level programming languages used to write scientific applications. It was developed by IBM in 1956.

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