Computer Number System

Computer Awareness

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Qn #1914

A computer with a 32 bit word size uses 2’s complement to represent numbers. The range of integers that can be represented by this computer is:

Qn #1787
An eight bit byte is capable of representing how many different characters?
Qn #1786
The ASCII code of ‘A’ is
Qn #1784
The least significant bit of the binary number, which is equivalent to any odd decimal number is
Qn #1781
The sum of 11010 + 01111 equals
Qn #1780
When two binary numbers are added, then an overflow will never occur if
Qn #1487
The decimal equivalent of the hexadecimal operation A10 + B21 is
Qn #972
The logic XOR operation of (4AC0)16 and (B53F)16 results
Qn #967
Determine the octal equivalent of (432267)10?
Qn #966
The binary equivalent of (234.125)10?
Qn #732
What is a potential problem of 1’s complement representation of numbers?
Qn #721
Suppose we have a 10-bit computer that uses 10-bit floating point computational unit (Float number uses IEEE floating-point arithmetic where a floating point number has 1 sign bit, 5 exponent bits, and 4 fraction bits). The representation for +∞ (plus infinity) is
Qn #718
Suppose we have a 10-bit computer that uses 10-bit int (2's complement representation). the number representation of - 35 is
Qn #631
Let the given number 11001, 1001 and 111001 be correspond to the 2’s complement representation. Then with which one of the following decimal number, the given numbers match
Qn #624
The range of the exponent E in the IEEE754 double precision (Binary 64) format is _____
Qn #616
Given that numbers A and B are two 8 bit 2’s complement numbers with A = 11111111, B = 11111111. Then sum A + B is _________
Qn #612
Consider the following 4- bit binary numbers represented in the 2’s complement form : 1101 and 0100 What would be the result when we add them?
Qn #594
The quotient, if the binary number 11010111 is divided by 101, is___
Qn #425
What is the hexadecimal representation of the decimal number 265?
Qn #419
Consider a 9-bit representation. Which of the following correctly gives the smallest number that can be represented in: 
(i) 1's complement, 
(ii) 2's complement
Qn #407
What is the equivalent decimal value of the unsigned binary number 10101.10101?
Qn #259
Find the hexadecimal equivalent of octal number 463:
Qn #257
What is the binary equivalent of 2BC4?
Qn #196
In which form, a digital computer processes information?
Qn #188
Binary addition 0010 + 0010 equals
Qn #178
BCD of 52 is
Qn #177
1’s complement of 1011
Qn #176
Binary equivalent of 15 is
Qn #78
BCD of 82 is
Qn #76
Binary equivalent of 10 is
    Computer Number System Practice Questions | Group Studies Library | Tancet Group Studies