Explanation:
The string "1301" can be converted into numbers by using the ASCII characters set.
1. Decimal ASCII
1=49, 3=51, 0=48, 1=49
Without space
"1301" = 49 51 48 49
with space included
"1 3 0 1" = 49 32 51 32 48 32 49
(white space is represented by 32 in Decimal ASCII)
2. Hexadecimal ASCII
1=31, 3=33, 0=30, 1=31
Without space
"1301" = 31 33 30 31
with space included
"1 3 0 1"= 31 20 33 20 30 20 31
(white space is represented by 20 in hexadecimal ASCII)
The magnitude can be found by traditional decimal to binary conversion (Divide by 2 until we are left with remainder 0 or 1) and sign can be represented by adding most significant bit (MSB) 0 for positive and 1 for negative.
A. -27
Magnitude: 00011011
Since the sign is negative add 1 to the MSB
which becomes 100011011
B. 140
Magnitude: 10001100
Since the sign is positive add 0 to the MSB
which becomes 010001100
C. -99
Magnitude: 01100011
Since the sign is negative add 1 to the MSB
which becomes 101100011
D. 46
Magnitude: 00101110
Since the sign is positive add 0 to the MSB
which becomes 000101110
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