CSC 102 TEST QUESTIONS WITH ALL CORRECT ANSWERS
What are the four important logical connectives? - Answer--conjunctions
-disjunctions
-conditional statements
-biconditional statements
-negations
Give the Precedence of Logical Operators - Answer-1: negation
2: and, or
3: conditional, bicon...
CSC 102 TEST QUESTIONS WITH
ALL CORRECT ANSWERS
What are the four important logical connectives? - Answer--conjunctions
-disjunctions
-conditional statements
-biconditional statements
-negations
Give the Precedence of Logical Operators - Answer-1: negation
2: and, or
3: conditional, biconditional operation
Computer represent information using what - Answer-bits
It is a symbol with two possible values, namely 0, and 1 - Answer-bit
Who introduced this terminology? - Answer-John Tukey in 1946
True or False: A variable is called a Boolean variable if its value is either true or false -
Answer-True
True or False: A Boolean variable can be represented using bit - Answer-True
It is a sequence of zero or more bits - Answer-Bit string
_____ receives input signals p1, p2, pn each a bit [either 0 off or 1 on] and produce
output signals s1, s2,.. sn each a bit - Answer-Logic Circuits
Methods that produce propositions with the same truth value as a given compound
proposition are used extensively in the construction of mathematical arguments -
Answer-Propositional Equivalences
A compound proposition that is always true, no matter what the truth values of the
propositional variables that occur in it - Answer-Tautology
A compound proposition that is always false is called______ - Answer-Contradiction
A compound proposition that is neither a tautology nor contradiction is called a ______ -
Answer-Contingency
This process of drawing a conclusion from a sequence of propositions is called____ -
Answer-Deductive Reasoning
, It is a collection of objects - Answer-Set
referred to as elements or members - Answer-Objects
True or False: If a set is finite and not too large, we can describe it by listing the
elements in it - Answer-True
True or False: A set is determined by its elements and not by any particular order in
which the elements might be listed. - Answer-True
The vertical bar " | " in set notation is read as ______? - Answer-such that
Notation is also called as _______ - Answer-set-builder notation
Use the curly braces "{ }" to list the elements of the set. Example: {1, 2, 3, 4, 5, 6, 7, 8,
9} - Answer-Roster Form
Use the curly braces " { } " to describe the properties of the elements of the set.
Example: {x | 1 < x < 9} - Answer-Set Builder Notation
Set that contains no elements. Ex: { } - Answer-Empty Set (Null Set)
'Z' symbol comes from the German word ______, for integer - Answer-Zahlen
True or False: The set of real numbers R can be depicted as consisting of all points on
a straight line extending indefinitely in either direction - Answer-True
To denote the negative numbers that belong to one of Z, Q or R, we use what? Ex: Z
denotes the set of negative integers, namely -1, -2, -3, ... - Answer-Superscript minus
To denote the positive numbers that belong to one of the three sets, we use what? Ex:
Q^+ denotes the set of positive rational numbers - Answer-Superscript plus
To denote the non-negative numbers that belong to one of the three sets we use what?
- Answer-Superscript nonneg
What do you call to this ' |X| ' - Answer-Cardinality of X
In mathematics, the cardinality of a set is a measure of the _______ - Answer-"Number
of elements" of the set
Write this in form: the cardinality of A is 4 - Answer-|A| = 4
True or False: Two sets X and Y are if they have the same elements - Answer-True
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