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4. DATA REPRESENTATION
gad, hexadecimal digit can be expressed using  binary digits.


(a) 4.
(d)
Data is represented on a computer by means of a twostate on/off system called
The octal system
The binary system
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M. (d) The binary system
0)
(d) Ma.
The digits used for hexadecimal number system are
through Z
I through 16
0 through 15
0 through 9 and A, through F
(d) 0 through 9 and A through F
The main advantage of hexadecimal number is the case of conversion from hexadecimal to
ASCII code
Binary
Octal
Decimal
(b) Binary
Four digit binary numberjai is represented in the decimal system by
7
9
11
13
(a) /1
The binary number 10011101 is equal to the hexadecimal number.
(a) 9E
(91 9F
(o) 9D)
(d) FF
(a) 9D
I, memory chip IK bytes of memory. What is the highest available memory address in the octal system?
(a) 1023
(6) 1777
7777
(d) None of these
(*) 1023
The data coding scheme that is the American standard is