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What does the arithmetic logic unit alu do?
In computing, an arithmetic logic unit (ALU) is a digital circuit that performs arithmetic and logical operations. The ALU is a fundamental building block of the central processing unit of a computer, and even the simplest microprocessors contain one for purposes such as maintaining timers. The processors found inside modern CPUs and graphics processing units (GPUs) accommodate very powerful and very complex ALUs; a single component may contain a number of ALUs.
When simplifying an expression you a always b sometimes c never perform operations inside grouping symbols first?
A
What do the parenthesis do in math?
Based on the order of operations (PEMDAS), it states all inside the parenthesis goes first. For example, if you had the problem (1+3) x 4, you would do the 1+3 first, then multiply it by 4.
Replacing each variable with a number in an expression and simplifying the result?
Substituting a numerical value for each variable in an expression and then simplifying the resulting expression is known as evaluating the expression. This process involves following the order of operations, which includes performing operations inside parentheses first, then exponents, multiplication and division from left to right, and finally addition and subtraction from left to right. By replacing variables with specific numbers, we can determine the exact value of the expression based on those inputs.
Do brackets mean multiplication?
If you are talking about something like (6)(7) or 3(5+3), then yes, it means multiplication. Brackets also make a difference in a long operation that requires the use of BEDMAS, or proper order of operations. In these cases, brackets indicate that you have to do what's inside the brackets before anything else.
