Convert each of the following binary numbers to decimal equivalent given that the left most digit is a sign bit.
Source: KCSE Computer Studies 2012 - Paper 1
Question Number: 17 (a)(b)(c)
Marks: 15 Marks
From Topic: Types of data representation
From Subtopic: Number Systems and their representation of integral values
Question Level: Form 3
(a) Convert each of the following binary numbers to decimal equivalent given that the left LEFTMOST digit is a sign bit.
(i) 0 0 1 0 1 1 0 12 (2 marks)
(ii) 1 1 0 0 1 0 0 12 (2 marks)
b) Convert the decimal number 0.42 to 6 bit binary notation. (4 marks)
c) Using twos complement, subtract 1110 from 810 leaving your answer in binary notation. (5 marks)
d) Perform the following binary operation. (2 marks)
110012 + 1101110012-101110012
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