MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER ARCHITECTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
All the arithematic and logical operations in CPU are performed by ____
A
ALU
B
CU
C
Both ALU and CU
D
None of the above
Explanation: 

Detailed explanation-1: -An arithmetic-logic unit is the part of a central processing unit that carries out arithmetic and logic operations on the operands in computer instruction words. In some processors, the ALU is divided into two units: an arithmetic unit (AU) and a logic unit (LU).

Detailed explanation-2: -The ALU performs simple addition, subtraction, multiplication, division, and logic operations, such as OR and AND. The memory stores the program’s instructions and data.

Detailed explanation-3: -ALUs perform arithmetic operations such as addition, subtraction, and multiplication, and logical operations such as NOR, NOT, AND, and OR. The arithmetic operation of division is typically done by another component of the CPU called a Floating-Point Unit, or FPU.

Detailed explanation-4: -An arithmetic logic unit (ALU) is a digital circuit used to perform arithmetic and logic operations. It represents the fundamental building block of the central processing unit (CPU) of a computer. Modern CPUs contain very powerful and complex ALUs.

There is 1 question to complete.