Skip to content
Early access — you're among the first to try PYQLabs. Share feedback
Concept drill

2s-complement

GATE CSE & IT · Number Representation · 2000-2025

15
PYQs
80%
keyed
0
elite explanations
12
years appeared

Study anchor

Rosen — Discrete Mathematics and Its Applications

Discrete structures, counting, relations, graph theory

Practice action

Start latest PYQ

PYQs in this concept

All concepts →
2025 PYQ

The number -6 can be represented as 1010 in 4-bit 2's complement representation. Which of the following is/are CORRECT 2's complement representation(s) of $-6$ ?

easyanswer keybasic explanation
2024 PYQ

Consider a system that uses 5 bits for representing signed integers in 2’s complement format. In this system, two integers A and B are represented as A =01010 and B =11010. Which o...

easyanswer keybasic explanation
2022 PYQ

Let R1 and R2 be two 4-bit registers that store numbers in 2's complement form. For the operation R1 + R2, which one of the following values of R1 and R2 gives an arithmetic overfl...

easyanswer keybasic explanation
2019 PYQ

In 16-bit 2's complement representation, the decimal number -28 is :

easyanswer keybasic explanation
2016 PYQ

Let $$X$$ be the number of distinct $$16$$-bit integers in $$2’s$$ complement representation. Let $$Y$$ be the number of distinct $$16$$-bit integers in sign magnitude representati...

easy
2016 PYQ

The $$16$$-bit $$2’s$$ complement representation of an integer is $$1111$$ $$1111$$ $$1111$$ $$0101;$$ its decimal representation is ____________.

easy
2016 PYQ

Consider an eight-bit ripple-carry adder for computing the sum of $$A$$ and $$B,$$ where $$A$$ and $$B$$ are integers represented in $$2’s$$ complement form. If the decimal value o...

medium
2013 PYQ

The smallest integer that can be represented by an $$8$$-bit number in $$2's$$ complement form is

easyanswer key
2010 PYQ

$$P$$ is a $$16$$-bit signed integer. The $$2's$$ complement representtation of $$P$$ is $${\left( {F87B} \right)_{16}}$$ . The $$2's$$ complement representation of $$8{}^ * \,P$$...

easyanswer key
2004 PYQ

Let $$A=1111$$ $$1010$$ and $$B=0000$$ $$1010$$ be two $$8$$-bit $$2's$$ complement numbers. Their product in $$2's$$ complement is

easyanswer key
2003 PYQ

Assuming all numbers are in $$2's$$ complement representation, which of the following numbers is divisible by $$11111011?$$

easyanswer key
2002 PYQ

In $$2’s$$ complement addition, the overflow

easyanswer key
2002 PYQ

The $$2's$$ compliment representation of the decimal value $$-15$$ is

easyanswer key
2001 PYQ

The $$2's$$ complement representation of $${\left( { - 539} \right)_{10}}$$ in hexadecimal is

easyanswer key
2000 PYQ

The number $$43$$ in $$2's$$ complement representation is

easyanswer key