quiz1 tonghop

Part 1 of 1 - 95.0/ 100.0 PointsCode Design

Question 1 of 20 5.0/ 5.0 Points

An IF-THEN-ELSE statement is part of the __________ structure

A.sequence

B.selection

C.conditional

D.loop


Which of the following statements describes the flowchart symbol shown below?

A.Indicates the start and end of a loop

B.Indicates processing such as an operation

C.Indicates input and output of data

D.Indicates the start and end of a flowchart


Which of the following variable name is the most retable and maintainable

A.employeeLastName

B.lastNameOfTheEmployeeInQuestion

C.emlstnam

D.last name


The following figure is one example of binary-selection structure. Is that correct?

True

False


Which of the following flowcharts illustrates a “while repetition structure” in the control structure of programs?

A.Image d)

B.Image c)

C.Image b)

D.Image a)


As much as __________ percent of the total lifetime cost for an application program is for maintenance

A.50%

B.75%

C.60%

D.40%


When a program repeats a portion of software code as long as a certain condition doesn’t exist, it’s using a(n) _______ structure

A.do until

B.what-if

C.if-then-else

D.do while


What are the three control structures for creating programs in structured programming?

A.Repetition, sequence, and selection

B.Recursion, sequence, and selection

C.Repetition, recursion and sequence

D.Repetition, recursion, and selection


When the expression 1-1/x+1/x^2 -1/x^3 +1/x^4 -…1/x^n is calculated, which of the following should be inserted in the process box in the flowchart shown below?

A.a)

B.b)

C.c)

D.d)


What is an example of the information-receiving operation of a computer?

A.Read (information from a file)

B.Write (information to a file)

C.Use actual mathematical symbols or the words for the symbols (+, -, *, /)

D.Giving data an initial value: Initialize, Set


Please select the best variable name for an employee's last name

A.empLstNm

B.empLastName

C.emplastname

D.lastNameOfTheEmployeeInQuestion


Flowcharts and pseudocode are examples of tools used in the program __________ phase.

A.code

B.specification

C.test

D.design


In below definitions on the global data, which one is incorrect?

A.Variables which are defined within the sub module

B.Every module in the program can access and change data

C.Data that can be used by all the modules in a program

D.Lifetime of a global variable spans the execution of the whole program


In a(n) __________ structure, one statement follows the other with no conditions having to be met.

A.sequence

B.loop

C.conditional

D.selection


Which of the following lines of code comes from a first generation computer language?

A.00010 1010 1101 0001 1010

B.this Total=TotalA + TotalC

C.set total to sum of totals

D.ADD255(3,10),02B(4,5)


The control structure used to perform a series of statements one after the other is called

A.random

B.selection

C.sequential

D.loop


Which is not one of 3 basic structure when design an algorithm?

A.Sequence

B.Iteration

C.Selection

D.Repetition


Software that helps programmers prepare reports, draw flowcharts, and generate software code for prototypes is a(n)

A.CLOC (computer licensed operations code) tool

B.CULP (combined users licensed protocols) tool

C.CAUSE (computer assisted Unix software environment) tool

D.CASE (computer aided software engineering) tool


Machine language is composed only of

A.0s and 1s

B.memory address toggles

C.keyword statements

D.hexadecimal numbers


"Which of the following is the appropriate basic structure in a flowchart for working out the sum from 1 to 10 using the sequence below? ①Assign the initial value “0” to x ②Assign the initial value “1” to i ③End when i is greater that 10 ④If i is 10 or smaller, add i to x, and substitute that value for x ⑤Add 1 to i, and substitute that value for i ⑥Return to ③"

A.a) Sequence structure

B.b) Selection structure

C.d) Repetition structure

D.c) Conditional branch



Software that helps programmers prepare reports, draw flowcharts, and generate software code for prototypes is a(n)

A.CAUSE (computer assisted Unix software environment) tool

B.CASE (computer aided software engineering) tool

C.CLOC (computer licensed operations code) tool

D.CULP (combined users licensed protocols) tool


The function f(x) has real arguments and returned values. Consider the procedure consisting of steps 1 ~5 as shown below using this function. After starting execution and repeating the procedure a sufficient number of times, y in step 3 stops changing. Which of the following expressions holds at this point?

A.f(y)=0

B.f(y)=y

C.f(a)=y

D.f(y)=a



A.Indicates input and output of data


C.Indicates the start and end of a flowchart

D.Indicates the start and end of a loop


What can we do with the Circle symbol when drawing the flowchart to represent the algorithm?

A.Use it to represent a point at which the flowchart connects with another process. The name or reference for the other process should appear within the symbol

B.Use it to represent a decision point in the process. Typically, the statement in the symbol will require a `yes' or `no' response and branch to different parts of the flowchart accordingly

C.Use it to represent an event which is controlled within the process. Typically this will be a step or action which is taken. In most flowcharts this will be the most frequently used symbol

D.Use it to represent an event which occurs automatically. Such an event will trigger a subsequent action, for example `receive telephone call’, or describe a new state of affairs.



A.empLstNm

B.empLastName

C.emplastname



The flowchart below shows a binary search algorithm to find the index m of the array element A(m), such that the equation “A(m) = k” holds, from the array elements A(1), A(2), …, A(n) already sorted in ascending order. In case of “m= 0” at the end, there is no element such that the equation “A(m) = k” holds. Which of the following is inserted in the process box X in the flowchart? Here, the slash ( / ) indicates division that truncates all digits after the decimal point.

A.(x+ y) → m

B.(x – y) / 2 → m

C.(y – x) / 2 → m

D.(x+ y) / 2 → m


Which of the following refers to tools that are used to design, code, and test software?

A.CAD

B.CASE

C.OOP

D.XML


Which is not one of 3 basic structure when design an algorithm?

A.Repetition

B.Sequence

C.Selection

D.Iteration


OOP languages use

A.combinations of objects

B.natural and nonprocedural statements

C.abbreviations and mnemonic

D.binary coded instructions


What is incorrect function of the parameter using in communicating between modules?

A."To pass information from a subordinate module to its calling module "

B.To store the reference data

C.To fulfil a two-way communication role

D."To pass information from a calling module to a subordinate module "



A.d)

B.a)

C.c)

D.b)



A.sequence

B.loop

C.conditional

D.selection


"Which structure theorem is used n a computer program or algorithm to determine which particular step or set of steps is to be executed?"

A.Selection

B.Sequence

C.Repetition

D.Subprogram


"The test data about the part of a program shown in the flowchart is specified by “decision condition coverage” (branch coverage). If this test data is specified by “multiple condition coverage,” which of the following is the appropriate data to add? Here, the part enclosed in

parentheses indicates the pair of test data elements. The test

data used by “decision condition coverage” (branch coverage): (A=4, B=1), (A=5, B=0)"

A.(A=3, B=0), (A=7, B=2)

B.(A=4, B=0), (A=8, B=0)

C.(A=3, B=2), (A=8, B=0)

D.(A=7, B=0), (A=8, B=2)


The programming tool that uses linked symbols to show the sequence of steps needed to solve a programming problem

A.grid table

B.algorithm

C.pseudocode

D.flowchart




B.Giving data an initial value: Initialize, Set

C.Write (information to a file)

D.Use actual mathematical symbols or the words for the symbols (+, -, *, /)


When a program whose functions are as shown in the flowchart in the Figure 1 was executed when the contents of array A were as given in Figure 2, array B, whose contents are shown in the Figure 3, was produced. Which operation should be filled in a of Figure 1? Here, the element of arrays A and B are represented by A(i, j) and B(i, j), respectively.

A.A (i,j) --> B (7-j, i)

B.A (i,j) --> B (i, 7-j)

C.A (i,j) --> B (7-i, 7-j)

D.A (i,j) --> B (j, 7-i)


________ language is made up only of binary digits

A.Machine

B.Natural

C.Assembly

D.Procedural


A program error that violates the grammar rules of the programming language is a(n) _______ error

A.modular

B.logic

C.language

D.syntax


In a(n) __________ structure, one statement follows the other with no conditions having to be met.

A.selection

B.loop

C.sequence

D.conditional




A.60%

B.75%

C.50%

D.40%



A.do while

B.what-if

C.do until

D.if-then-else


Machine language is composed only of

A.0s and 1s

B.keyword statements

C.hexadecimal numbers

D.memory address toggles


Integers are stored in the 1st to N-th elements of an array A(N>1). The flowchart below shows the process to check which element of the array contains the same value as X. Which of the following correctly describes the execution result of this process?

A.If the same value as X is not in the array, k is set to 1.

B.If the same value as X is not in the array, k is set to N.

C.If the same value as X exists in two places of the array, the 1st and N-th elements, k is set to 1.

D.If the same value as X exists in two places of the array, the 1st and N-th elements, k is set to N.


"Which structure theorem is used n a computer program or algorithm to determine which particular step or set of steps is to be executed?"

A.Selection

B.Sequence

C.Repetition

D.Subprogram




B.Giving data an initial value: Initialize, Set

C.Write (information to a file)

D.Use actual mathematical symbols or the words for the symbols (+, -, *, /)



A.Image d)

B.Image c)

C.Image a)

D.Image b)


Please choose correct definition of the module parameters

A.Reference parameters pass a copy of the value of a parameter from one module to another

B.Variables and expressions that are passed to a submodule in a particular call are called formal parameters

C.Formal parameters are the one that appear when a submodule is defined

D.Value parameter pass the memory address of a parameter from one module to another



A.Use it to represent a point at which the flowchart connects with another process. The name or reference for the other process should appear within the symbol

B.Use it to represent a decision point in the process. Typically, the statement in the symbol will require a `yes' or `no' response and branch to different parts of the flowchart accordingly

C.Use it to represent an event which is controlled within the process. Typically this will be a step or action which is taken. In most flowcharts this will be the most frequently used symbol

D.Use it to represent an event which occurs automatically. Such an event will trigger a subsequent action, for example `receive telephone call’, or describe a new state of affairs.



A.sequence

B.loop

C.conditional

D.selection



A.d)

B.a)

C.c)

D.b)


OOP languages use

A.combinations of objects

B.natural and nonprocedural statements

C.abbreviations and mnemonic

D.binary coded instructions


Which of the following is the correct result produced by executing the program shown below? Here, the parameter “x” is called by value, and the parameter “y” is called by reference.

A.a= 7, b= 5

B.a= 2, b= 3

C.a= 2, b= 5

D.a= 7, b= 3


Flowcharts and pseudocode are examples of tools used in the program __________ phase.

A.design

B.test

C.code

D.specification


Which of the following is not necessary for a good program?

A.catches common errors

B.well-documented

C.colorful graphics

D.reliability


________ language is made up only of binary digits

A.Machine

B.Natural

C.Assembly

D.Procedural



A.grid table

B.algorithm

C.pseudocode

D.flowchart


A program error that violates the grammar rules of the programming language is a(n) _______

error

A.modular

B.logic

C.language

D.syntax



A.empLstNm

B.empLastName

C.emplastname



"The test data about the part of a program shown in the flowchart is specified by “decision condition coverage” (branch coverage). If this test data is specified by “multiple condition coverage,” which of the following is the appropriate data to add? Here, the part enclosed in

parentheses indicates the pair of test data elements. The test data used by “decision condition coverage” (branch coverage): (A=4, B=1), (A=5, B=0)"

A.(A=3, B=0), (A=7, B=2)

B.(A=4, B=0), (A=8, B=0)

C.(A=3, B=2), (A=8, B=0)

D.(A=7, B=0), (A=8, B=2)

____HCMUT_013_CSD_02_Quiz1_Code Design

Return to Assessment List


Question 1 of 205.0/ 5.0 Points


A.Use it to represent a decision point in the process. Typically, the statement in the symbol will require a `yes' or `no' response and branch to different parts of the flowchart accordingly

B.Use it to represent an event which occurs automatically. Such an event will trigger a subsequent action, for example `receive telephone call’, or describe a new state of affairs.

C.Use it to represent a point at which the flowchart connects with another process. The name or reference for the other process should appear within the symbol

D.Use it to represent an event which is controlled within the process. Typically this will be a step or action which is taken. In most flowcharts this will be the most frequently used symbol

Question 2 of 20 5.0/ 5.0 Points"The test data about the part of a program shown in the flowchart is specified by “decision condition coverage” (branch coverage). If this test data is specified by “multiple condition coverage,” which of the following is the appropriate data to add? Here, the part enclosed in

parentheses indicates the pair of test data elements. The test data used by “decision condition coverage” (branch coverage): (A=4, B=1), (A=5, B=0)"

A.(A=3, B=0), (A=7, B=2)

B.(A=4, B=0), (A=8, B=0)

C.(A=3, B=2), (A=8, B=0)

D.(A=7, B=0), (A=8, B=2)

Question 3 of 20 5.0/ 5.0 PointsAn IF-THEN-ELSE statement is part of the __________ structure

A.loop

B.selection

C.sequence

D.conditional

Question 4 of 20 5.0/ 5.0 PointsA(n) __________ error could be the result of the programmer making an incorrect calculation

A.syntax

B.logic

C.general protection

D.breakpoint

Question 5 of 20 5.0/ 5.0 PointsWhen a program repeats a portion of software code as long as a certain condition doesn’t exist, it’s using a(n) _______ structure

A.do until

B.do while

C.what-if

D.if-then-else

Question 6 of 20 5.0/ 5.0 PointsWhich of the following statements describes the flowchart symbol shown below?

A.Indicates the start and end of a flowchart


C.Indicates the start and end of a loop

D.Indicates input and output of data

Question 7 of 20 0.0/ 5.0 PointsThe control structure used to perform a series of statements one after the other is called

A.random

B.loop

C.sequential

D.selection

Question 8 of 20 5.0/ 5.0 PointsThe flowchart below shows a binary search algorithm to find the index m of the array element A(m), such that the equation “A(m) = k” holds, from the array elements A(1), A(2), …, A(n) already sorted in ascending order. In case of “m= 0” at the end, there is no element such that the equation “A(m) = k” holds. Which of the following is inserted in the process box X in the flowchart? Here, the slash ( / ) indicates division that truncates all digits after the decimal point.

A.(y – x) / 2 → m

B.(x+ y) / 2 → m

C.(x+ y) → m

D.(x – y) / 2 → m

Question 9 of 20 5.0/ 5.0 PointsFlowcharts and pseudocode are examples of tools used in the program __________ phase.

A.code

B.design

C.test

D.specification


Which of the following is the correct result produced by executing the program shown below? Here, the parameter “x” is called by value, and the parameter “y” is called by reference.

A.a= 2, b= 5

B.a= 7, b= 5

C.a= 2, b= 3

D.a= 7, b= 3

Question 11 of 20 5.0/ 5.0 PointsWhich of the following variable name is the most retable and maintainable

A.employeeLastName

B.emlstnam

C.last name


Question 12 of 20 5.0/ 5.0 PointsWhich of the following flowcharts illustrates a “while repetition structure” in the control structure of programs?

A.Image c)

B.Image b)

C.Image a)

D.Image d)

Question 13 of 20 5.0/ 5.0 PointsThere are two important operations on a stack: PUSH and POP. PUSH adds the new data to the top of the stack leaving previous data below, and POP removes and returns the current top data of the stack. When the operations shown below are sequentially executed, which of the following is the correct combination of the values x and y? Here, the size of the stack is big enough to hold the entire data. “PUSH(a)” inserts the data a into the stack, and “POP(b)” removes the data b from the stack.

[Operations] PUSH (5); PUSH (3); PUSH (6); PUSH (1); x= POP ( ); PUSH (7); y= POP ( );

A.x=1, y=6

B.x=1, y=7

C.x=5, y=7

D.x=5, y=3

Question 14 of 20 5.0/ 5.0 PointsWhat is incorrect function of the parameter using in communicating between modules?

A.To store the reference data

B."To pass information from a subordinate module to its calling module

"

C.To fulfil a two-way communication role

D."To pass information from a calling module to a subordinate module "

Question 15 of 20 5.0/ 5.0 PointsPlease select one item which is not a guide when writing pseudo code

A.Structural elements might come separately

B.The names of subprograms are underlined

C.Indenting is used to show structure in the algorithm

D.Keywords are written in CAPITALS

Question 16 of 20 5.0/ 5.0 PointsIn a(n) __________ structure, one statement follows the other with no conditions having to be met.

A.sequence

B.loop

C.selection

D.conditional

Question 17 of 20 5.0/ 5.0 Points"Which of the following is the appropriate basic structure in a flowchart for working out the sum from 1 to 10 using the sequence below? ①Assign the initial value “0” to x ②Assign the initial value “1” to i ③End when i is greater that 10 ④If i is 10 or smaller, add i to x, and substitute that value for x ⑤Add 1 to i, and substitute that value for i

⑥Return to ③"

A.c) Conditional branch

B.a) Sequence structure

C.d) Repetition structure

D.b) Selection structure

Question 18 of 20 5.0/ 5.0 Points________ language is made up only of binary digits

A.Machine

B.Assembly

C.Procedural

D.Natural

Question 19 of 20 5.0/ 5.0 PointsWhich of the following is not necessary for a good program?

A.reliability

B.colorful graphics

C.catches common errors

D.well-documented

Question 20 of 20 5.0/ 5.0 Points__________ refers to testing by a select group of potential users in the final stage of testing a program

A.Beta testing

B.Manual testing

C.Desk checking

D.Attempt at translation

Part 1 of 1 - 100.0/ 100.0 Points

Code Design


The following figure is one example of binary-selection structure. Is that correct?

True

False



A.50%

B.75%

C.60%

D.40%



A.Indicates the start and end of a loop


C.Indicates input and output of data

D.Indicates the start and end of a flowchart


The __________ structure involves repeating a sequence until a condition is met.

A.conditional

B.loop

C.sequence

D.selection


In below definitions on the global data, which one is incorrect?

A.Variables which are defined within the sub module

B.Every module in the program can access and change data

C.Data that can be used by all the modules in a program

D.Lifetime of a global variable spans the execution of the whole program


What are the three control structures for creating programs in structured programming?

A.Repetition, sequence, and selection

B.Recursion, sequence, and selection

C.Repetition, recursion and sequence

D.Repetition, recursion, and selection


Which item is not a recommendation when writing pseudo codes?

A.Each set of instructions is written from top to bottom, with only one entry and one exit

B.Try to keep each instruction/step as short as possible

C.Keywords and indentation are used to signify particular control structures

D.Each instruction/step is written on a separate line



A.do until

B.what-if

C.if-then-else

D.do while



A.Image d)

B.Image c)

C.Image b)

D.Image a)


Which of the following lines of code comes from a first generation computer language?

A.00010 1010 1101 0001 1010

B.this Total=TotalA + TotalC

C.set total to sum of totals

D.ADD255(3,10),02B(4,5)


The program’s processing steps are grouped into logically-related programming statements called

A.unit

B.object

C.component

D.Module


A program error that violates the grammar rules of the programming language is a(n) _______ error

A.language

B.logic

C.modular

D.syntax



A.Use it to represent an event which occurs automatically. Such an event will trigger a subsequent action, for example `receive telephone call’, or describe a new state of affairs.

B.Use it to represent a point at which the flowchart connects with another process. The name or reference for the other process should appear within the symbol

C.Use it to represent a decision point in the process. Typically, the statement in the symbol will require a `yes' or `no' response and branch to different parts of the flowchart accordingly

D.Use it to represent an event which is controlled within the process. Typically this will be a step or action which is taken. In most flowcharts this will be the most frequently used symbol



A.pseudocode

B.algorithm

C.grid table

D.flowchart




B.Write (information to a file)

C.Use actual mathematical symbols or the words for the symbols (+, -, *, /)

D.Giving data an initial value: Initialize, Set


Please choose correct definition of the module parameters

A.Value parameter pass the memory address of a parameter from one module to another

B.Formal parameters are the one that appear when a submodule is defined

C.Variables and expressions that are passed to a submodule in a particular call are called formal parameters

D.Reference parameters pass a copy of the value of a parameter from one module to another


When develop the outline into an algorithm, which tools can we use to represent the solution algorithm?

A. Flowchart

B. Pseudo code

C. Sequence diagram


When a program whose functions are as shown in the flowchart in the Figure 1 was executed when the contents of array A were as given in Figure 2, array B, whose contents are shown in the Figure 3, was produced. Which operation should be filled in a of Figure 1? Here, the element of arrays A and B are represented by A(i, j) and B(i, j), respectively.

A.A (i,j) --> B (i, 7-j)

B.A (i,j) --> B (7-j, i)

C.A (i,j) --> B (j, 7-i)

D.A (i,j) --> B (7-i, 7-j)



A.empLstNm

B.empLastName

C.emplastname



What is incorrect function of the parameter using in communicating between modules?

A.To fulfil a two-way communication role

B."To pass information from a calling module to a subordinate module "

C.To store the reference data

D."To pass information from a subordinate module to its calling module "



A.75%

B.60%

C.40%

D.50%

quiz1 tonghop

Business

repetition structure

cause computer

following flowcharts

following statements

portion of software

following lines of code

initial value

software codefor prototypes