Answer Expert Verified The affixes “a-” and “im-” mean without according to the choices in the question above. Affixes are the additional syllable which added to a word to change its meaning to become something different.

An affix is a set of letters generally added to the beginning or end of a root word to modify its meaning. The two main types of affixes are prefixes and suffixes. In the “untouchable” example above, “un-” is the prefix and “-able” is the suffix.

There are two types of affix:

• Prefix. Prefixes, such as anti, dis, hyper, homo, re, tri, and uni, appear at the beginnings of words. For example: He bought a new bicycle.
• Suffix. Suffixes appear at the end of the words, such as able, acy, er, en, ful and ly. For example: She plays wonderfully.

The most common suffixes are: -tion, -ity, -er, -ness, -ism, -ment, -ant, -ship, -age, -ery.

Add an appropriate determiner before the word. To change a verb to a noun in a sentence, add a determiner before the noun. If you’re changing “impacted” to a noun, you would need the determiner “an” or the determiner “the.” To change “run” to a noun, you would need the determiner “the” or the determiner “a.”

Academic writing frequently uses nominalisations; that is, the noun forms of verbs. The process of nominalisation turns verbs (actions or events) into nouns (things, concepts or people). The text is now no longer describing actions: it is focused on objects or concepts; for example: We walked for charity.

If the choices of this question are a,cy,ex,ic,inter,ful and im, the answer would be “a”. Affix is an element that is added to a word to form a new word; it is sometimes classified as prefix and suffix. The affix word “a” is considered as without because it means absence.

There are three main types of affixes: prefixes, infixes, and suffixes. A prefix occurs at the beginning of a word or stem (sub-mit, pre-determine, un-willing); a suffix at the end (wonder-ful, depend-ent, act-ion); and an infix occurs in the middle.

Like prefixes and suffixes, infixes are part of the general class of affixes (“sounds or letters attached to or inserted within a word to produce a derivative word or an inflectional form”). For example, cupful, spoonful, and passerby can be pluralized as cupsful, spoonsful, and passersby, using “s” as an infix.

An infix is an affix inserted inside a word stem (an existing word or the core of a family of words). It contrasts with adfix, a rare term for an affix attached to the outside of a stem such as a prefix or suffix.

An infix is a word element (a type of affix) that can be inserted within the base form of a word—rather than at its beginning or end—to create a new word or intensify meaning. The most common type of infix in English grammar is the expletive, as in “fan-bloody-tastic.”

Infix notation is the notation commonly used in arithmetical and logical formulae and statements. It is characterized by the placement of operators between operands—”infixed operators”—such as the plus sign in 2 + 2.

Whenever inline is used, the compiler will inline the function, no matter what. To make lambda arguments not inlined, use the noinline keyword. Infix notation is not automatic in Kotlin as it requires the function to be marked with the infix keyword.

Which of the following is an infix expression? Explanation: (a+b)*(c+d) is an infix expression.

To convert infix expression to postfix expression, we will use the stack data structure. By scanning the infix expression from left to right, when we will get any operand, simply add them to the postfix form, and for the operator and parenthesis, add them in the stack maintaining the precedence of them.

Postfix has a number of advantages over infix for expressing algebraic formulas. First, any formula can be expressed without parenthesis. Second, it is very convenient for evaluating formulas on computers with stacks. Third, infix operators have precedence.

Postfix operators are unary operators that work on a single variable which can be used to increment or decrement a value by 1(unless overloaded). There are 2 postfix operators in C++, ++ and –.

A postfix expression is just the reverse of the prefix expression ! Stack A has 3 Elements in it Say X,Y and Z with X on top. An Element popped out from Stack A can be printed immediately or pushed to stack B. An Element popped out from Stack B can only be printed.

Postfix increment operator means the expression is evaluated first using the original value of the variable and then the variable is incremented(increased). Prefix increment operator means the variable is incremented first and then the expression is evaluated using the new value of the variable.

Postfix notation, also known as RPN, is very easy to process left-to-right. An operand is pushed onto a stack; an operator pops its operand(s) from the stack and pushes the result. Little or no parsing is necessary. Prefix notation is nearly as easy to process; it’s used in Lisp.

For one it is easier to implement evaluation. With prefix, if you push an operator, then its operands, you need to have forward knowledge of when the operator has all its operands. With suffix, when you push an operator, the operands are (should) already on the stack, simply pop the operands and evaluate.

Prefix: An expression is called the prefix expression if the operator appears in the expression before the operands. Postfix: An expression is called the postfix expression if the operator appears in the expression after the operands.

Prefix expression notation requires that all operators precede the two operands that they work on. Postfix, on the other hand, requires that its operators come after the corresponding operands….4.9. Infix, Prefix and Postfix Expressions.

Algorithm for Postfix to Prefix:

1. Read the Postfix expression from left to right.
2. If the symbol is an operand, then push it onto the Stack.
3. If the symbol is an operator, then pop two operands from the Stack.
4. Repeat the above steps until end of Prefix expression.

We use the same to convert Infix to Prefix.

1. Step 1: Reverse the infix expression i.e A+B*C will become C*B+A. Note while reversing each ‘(‘ will become ‘)’ and each ‘)’ becomes ‘(‘.
2. Step 2: Obtain the “nearly” postfix expression of the modified expression i.e CB*A+.
3. Step 3: Reverse the postfix expression.

Algorithm to evaluate Prefix Expression: We will visit each element of the expression one by one. If the current element is an operand, we will push it to the stack. And if it is an operator, we will pop two operands, perform the operation, operand operator operand and then push the result back to the stack.

Following is algorithm for evaluation postfix expressions.

1. Create a stack to store operands (or values).
2. Scan the given expression and do following for every scanned element. …..a) If the element is a number, push it into the stack.
3. When the expression is ended, the number in the stack is the final answer.

1. create an empty operator stack.
2. create an empty operand stack.
3. for each token in the input String. a. get the next token in the infix string. b.
4. while operator stack is not empty, pop operator and operands (left and right),evaluate left operator right and push result onto operand stack.
5. pop result from operator stack.

What is the other name for a postfix expression? Explanation: Reverse polish Notation is the other name for a postfix expression whereas Polish Notation, Warsaw notation are the other names for a prefix expression.

A postfix expression is valid if and only if:

1. The first two elements are operands(values), and.
2. The last element is an operator, and.
3. For every n values there are n-1 operator(s), and.

There are several things below that you should check as you do the conversion to decide if the infix expression is valid: Add a check to see that an operator is preceded by another operator, as in 2 + * 3 . You can do it with a bool flag set in the “this is an operator” branch, and reset everywhere else.