The essential features of a number system are
A. Radix
B. Set of distinct counting digits
C. bits
D. Both A & B
E. None of the above
Answer: Option D
A. Radix
B. Set of distinct counting digits
C. bits
D. Both A & B
E. None of the above
Answer: Option D
A light sensitive device that converts drawing, printed text or other images into digital form is
A. Keyboard
B. Plotter
C. Scanner
D. OMR
E. None of these
Which protocol provides e-mail facility among different hosts?
A. FTP
B. SMTP
C. TELNET
D. SNMP
E. None of these
The basic architecture of computer was developed by
A. John Von Neumann
B. Charles Babbage
C. Blaise Pascal
D. Garden Moore
E. None of these
Answer: D. Both A & B
Explanation:
A number system must have:
1. Radix (Base) → It is the number of unique digits, including zero, used to represent numbers (e.g., Binary → base 2, Decimal → base 10).
2. Set of distinct counting digits → These are the unique symbols used for representing values (e.g., Decimal uses {0–9}, Binary uses {0,1}).
Without these two features, a number system cannot be defined