Question 16
What is the result of adding binary 1011_2 and 0110_2?
📘 Detailed Solution
$Decimal equivalent: 11 + 6 = 17. Converting 17 to binary yields 10001_2.$
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BPSC TRE – Digital Logic Full Subject Test 1
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Question 17
In floating-point representation according to IEEE 754 single precision, how many bits are allocated for exponent and mantissa?
📘 Detailed Solution
IEEE 754 32-bit single precision allocates 1 bit for sign, 8 bits for biased exponent, and 23 bits for normalized mantissa/fraction.
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Question 18
Excess-3 code is also categorized as which type of code?
📘 Detailed Solution
Excess-3 is both a non-weighted code and a self-complementing code (1's complement of an Excess-3 number equals Excess-3 of 9's complement).
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Question 19
Cyclic Redundancy Check (CRC) is based on which mathematical operation?
📘 Detailed Solution
CRC computes error checking checksums using polynomial modulo-2 arithmetic (XOR-based division).
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Question 20
What is the radix (base) of a duodecimal number system?
📘 Detailed Solution
The duodecimal system uses base 12, employing digits 0 through 9 along with A (10) and B (11).
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