CIT292 Questions & Answers








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Q1 We divide 45 by 2 to get �?��?��?�. With a remainder of 1
 
 
 
 

Q2 Starting from the right, we convert a binary number to �?��?��?��?�
 
 
 
 


Q3 To convert a binary number to octal, we group the bits into groups of �?��?��?�.
 
 
 
 


Q4 �?��?��?� number can easily converted to an octal
 
 
 
 

Q5 A combinational circuit can be described precisely by �?��?��?��?��?�.
 
 
 
 

Q6 the D latch with enable circuit is also known as ..........
 
 
 
 

Q7 The circuit for the D latch with enable is also called ...........
 
 
 
 

Q8 A ..... changes state only at the edge of its signal.
 
 
 
 

Q9 When a ....... is enabled, its state changes immediately when its input changes
 
 
 
 

Q10 One of these are basic memory elements for storing information
 
 
 
 

Q11 The duality principle states that if a boolean ..... is true, then, its dual is also true
 
 
 
 

Q12 The three types of logic gates are also called ...............
 
 
 
 

Q13 when specifying a function, we usually start with product term that contain all �?�..
 
 
 
 

Q14 We use the notation 0-minterm to mean �?��?��?��?��?�.
 
 
 
 

Q15 The label "inverted dual" means applying the ....... principle
 
 
 
 

Q16 We use the notation 1-minterm to denote �?��?��?��?��?�
 
 
 
 

Q17 A........ is a product term that contains all the variables used in a function
 
 
 
 

Q18 A ....... term is a term with either a single variables, or two or more variables
 
 
 
 

Q19 By looking at ......... one is able to know the output of any possible combination
 
 
 
 

Q20 ......... are set to list the possible inputs and find their corresponding inputs
 
 
 
 

Q21 A �?��?�. term is a term with variable(s) ORed together
 
 
 
 

Q22 If two switches are connected in series, then �?��?�. of the switches has/have to be on in order for the output F to be a 1
 
 
 
 

Q23 �?��?�.. prime implicant is a prime implicant that includes a 1-minterm that is not included in any other prime implicant
 
 
 
 

Q24 A �?��?��?�. is a product term that contains all the variables used in a function
 
 
 
 

Q25 Memory elements are made up of basic �?��?��?�
 
 
 
 

Q26 The largest �?��?��?� is known as a prime implicant
 
 
 
 

Q27 Any Boolean function that is expressed as a product of maxterms is said to be in its �?��?��?�. form
 
 
 
 

Q28 The term �?��?�.is used to refer to a rectangle of adjacent 1-minterms
 
 
 
 
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Q29 For a function with n variables, the notation mi where 0 �?� i < 2n, is used to denote the �?��?�..
 
 
 
 

Q30 �?��?��?�. provides a simple and straightforward procedure for combining the product terms of Boolean equations
 
 
 
 

Q31 Any Boolean function that is expressed as a sum of minterms is said to be in its �?��?��?�. form
 
 
 
 

Q32 �?��?��?�.. of combinational circuits is just the reverse procedure of the analysis of combinational circuits
 
 
 
 

Q33 A �?��?��?�. is a sum term that contains all the variables used in the function.
 
 
 
 

Q34 Digital circuits can be optimized in terms of �?��?�..
 
 
 
 

Q35 The little circle at the output of some of the logic symbols is used to denote the �?��?�.. value of a signal
 
 
 
 

Q36 For a function with n variables, the notation Mi where 0 �?� i < 2n, is used to denote the �?��?��?�..
 
 
 
 

Q37 �?��?�... gates are the actual physical implementations of the logical operators
 
 
 
 

Q38 When specifying a function, we usually start with �?��?��?�. terms that contain all the variables used in the function
 
 
 
 

Q39 Complex Boolean equations can be simplified by a new kind of algebra called �?��?��?��?�. Algebra
 
 
 
 

Q40 A �?��?�. term is a term with variable(s) ANDed together
 
 
 
 

Q41 A string of 4 bits will result in �?��?� combinations.
 
 
 
 

Q42 If two switches are connected in series, then �?��?�. of the switches has/have to be on in order for the output F to be a 1
 
 
 
 

Q43 Which of the following is a basic logic operator?
 
 
 
 

Q44 x �?� x = x is �?��?�. theorem in Boolean algebra
 
 
 
 

Q45 Boolean algebra was developed in �?�..
 
 
 
 

Q46 A binary switch has �?��?�. Connections
 
 
 
 

Q47 Arranging the operators AND, NOT and OR in order of precedence from highest to lowest gives �?��?��?�
 
 
 
 

Q48 �?��?�. is a means of encoding decimal numbers
 
 
 
 

Q49 Which of the following operators is called an INVERTER?
 
 
 
 

Q50 �?��?�. showed that circuits built with binary switches can easily be described using Boolean algebra
 
 
 
 

Q51 Two switches connected in parallel give rise to the logical �?��?��?�. operator
 
 
 
 

Q52 The symbol for AND operator is not �?��?�.
 
 
 
 

Q53 Which of the following operators has only one input?
 
 
 
 

Q54 Which of the following is not a basic logic operator?
 
 
 
 

Q55 Which of the following is the symbol for NOT operator?
 
 
 
 

Q56 The symbol for OR operator is �?��?�.
 
 
 
 

Q57 If two switches are connected in parallel, then �?�... switch(es) need to be on in order for the
 
 
 
 

Q58 Two switches connected in series give rise to the logical �?��?��?�. operator
 
 
 
 

Q59 Which of the following statements is not true?
 
 
 
 

Q60 A string of n bits can represent �?��?�.. different pieces of information
 
 
 
 

Q61 Boolean constants and variables are allowed to have only �?��?�... possible values
 
 
 
 

Q62 Boolean �?��?��?�. are rules that can help us simpilfy logic expressions
 
 
 
 

Q63 Which of the following theorem is not part of the Boolean theorems
 
 
 
 

Q64 Boolean �?��?��?��?� is a tool for the analysis and design of ditigal system
 
 
 
 

Q65 Truth tables for the three basic logical operators are �?��?��?�., OR and NOT
 
 
 
 

Q66 We write inputs values in the normal binary�?��?��?��?� order
 
 
 
 

Q67 When dealing with binary values, each input can only take one of �?��?��?��?�. Values
 
 
 
 

Q68 The operation of the AND, OR and NOT logic operators can be represented by �?��?��?�
 
 
 
 

Q69 The order of evaluation can be changed by the use of �?��?��?��?��?�
 
 
 
 

Q70 The NOT operator is also know as the �?��?��?��?��?�..
 
 
 
 

Q71 Convert 1101000110 in octal base to decimal
 
 
 
 

Q72 To convert a binary number to to other compatible number bases, we usually group the bit from �?��?��?��?� to _____
 
 
 
 

Q73 To convert a binary number to octal, we group the bits into groups of �?��?��?�. Digits
 
 
 
 

Q74 Which of the following cannot be easily converted to bits?
 
 
 
 

Q75 �?��?�. numbers only use the digits from 0 to 7 for the eight different combinations
 
 
 
 

Q76 �?��?�. numbers usually consist of a long string of bits
 
 
 
 

Q77 �?��?��?�. abstraction is used to make things simpler
 
 
 
 

Q78 �?��?�.. can be used to respresent different information
 
 
 
 

Q79 A bit having either value of 0 or 1 can represent �?��?��?� piece(s) of information
 
 
 
 

Q80 A single 0 or a single 1 is referred to as a �?��?��?��?��?�
 
 
 
 

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