COMP 230 Weekly Quizzes + Final Exam

(TCO 1) Which one of the following Windows net commands are NOT used to control services with the net ServiceName? (TCO 1) Which of the following Windows commands will shutdown and restart your computer in 2 minutes? ( ...

(TCO 1) Which one of the following Windows net commands are NOT used to control services with the net ServiceName? (TCO 1) Which of the following Windows commands will shutdown and restart your computer in 2 minutes? (TCO 1) Which of the following Windows commands will shutdown and restart the computer File Server in 2 minutes? (TCO 1) Which Windows shutdown-command switch is used to shutdown and turn off a local or remote computer? (TCO 1) From the Start/Run dialog, the command used to open the 32-bit Windows command prompt is ___. (TCO 1) The Windows CLI shell command used to display all of environmental variables & their values is ___. COMP 230 Week 2 Quiz Solutions Question:(TCO 2) ____ data items may involve displaying numbers or text to the screen. Question: (TCO 2) The process of walking through a program’s logic on paper…… ____. Question: (TCO 2) What is the problem with the following statement? 60 + 5 = grade Question: (TCO 2) What is the problem with the following statement? lastName = “smith Question: (TCO 2) What is the assignment operator? Question: (TCO 2) String constants and _____ refer to the same concept. Question: (TCO 2) If a variable holds the value 12345, what is its data type? Question: (TCO 2) Given the rules of operator precedence, what value would the variable contain after the following statement was executed? distance = 2 + 10 * 2 – 1 COMP 230 Week 3 Quiz Solutions Question:(TCO 3) What statement best describes the following pseudocode? Question:(TCO 3) What decision structure is logically equivalent to the following? Question: (TCO 3) What logic operator could be used to replace the nested selection structure in this pseudocode? Question: (TCO 3) Which logical operator has the lowest precedence? Question: (TCO 3) Every Boolean expression must be true in order for the entire expression to be evaluated as true for ______. Question: (TCO 3) Only one of the Boolean expressions must be false in order for the entire expression to be evaluated as true for ______. Question: (TCO 3) Which of the following comparisons is generally most confusing? Question: (TCO 3) Which of the following is a possible value for a Boolean expression? COMP 230 Week 4 Quiz Solutions Question:(TCO 4) A variable that determines if a loop will continue is known as a ____. Question:(TCO 4) What is the name for the statements that are repeated during loop…..? Question: (TCO 4) Which piece of pseudocode represents incrementing the loop-control…? Question: (TCO 4) When a value is incremented by 1, ____. Question: (TCO 4) When a loop-control variable is not altered during loop execution, a(n) ______ loop may result. Question: (TCO 4) Which of the following is NOT automatically handled by the for loop? Question: (TCO 4) A do-until loop has a(n) ______ condition. Question: (TCO 4) A loop within another loop is known as a(n) _____ loop. Question: (TCO 4) What is the term for the number used to reference an array element? Question: (TCO 4) The number of elements in an array is called the ______ of the array. Question: (TCO 4) Arrays are most efficiently processed using ______. COMP 230 Week 5 Quiz Solutions Question:(TCO 5) Although it is not a requirement of any programming language, it frequently makes sense to use a(n) ____ as all or as part of a module’s name because modules…. Question:(TCO 5) A variable that is used in all program modules is ____. Question: (TCO 5) What statement is not an advantage of using modularization? Question: (TCO 5) Variables declared within a module have what scope? Question: (TCO 5) In what way do named constants differ from variables? Question: (TCO 5) What is a feature of good program design COMP 230 Week 6 Quiz Solutions Question:(TCO 6) When you create a VBScript Scripting.FileSystemObject, you must start code line with __. Question:(TCO 6) Which one of the following is NOT a Windows file attribute? Question: (TCO 6) To test to see if a file exists before you overwrite it in VBScript, use the following command (assuming that fso is a Scripting.FileSystemObject). Question: (TCO 6) To move the file C:\Data\CustData.txt to C:\BackUp\CustData.txt in VBScript, use the following command (assuming that fso is a Scripting.FileSystemObject). Question: (TCO 6) The following command opens a text file in VBScript. Set file = fso.OpenTextFile(“C:\Data\CustData.txt”, ?, ??) To open a file for reading, the value of ?must be ___. Question: (TCO 6) The following command opens a text file in VBScript. Set file = fso.OpenTextFile(“C:\Data\CustData.txt”, ?, ??, ???) To read data from this file, which condition will test to make sure we are not at the end of the line of text? COMP 230 Week 7 Quiz Solutions Question:(TCO 7) What is the most common database query language? Question:(TCO 7) What is the name for a column that uniquely identifies a record? Question: (TCO 7) The __ in a table is the column that makes each record different from…. Question: (TCO 7) Which of the following is not a database-security issue? Question: (TCO 7) When two tables in a database contain related data, the data in…. _____. Question: (TCO 7) The general syntax of an SQL select statement is _____. COMP 230 Week 8 Final Exam Page 1 (TCO 2) What is an example of a string constant? (TCO 2) What is the assignment operator? (TCO 2) The symbols used to describe the logic of a program are known as _____. (TCO 2) If a variable holds the value 12345, what is its data type? (TCO 3) The logical AND operator can replace ____ in how it behaves. (TCO 3) Which pseudocode produces the same result as the following? if customer Age > 65 OR customer Age = 65 then discount = 0.10 else discount = 0 endif (TCO 3) …………… replace the nested selection structure in this pseudocode? (TCO 3) In order to have the most efficient program, which question should be asked first when working with an AND decision? (TCO 3) If you are asked to write a program that prints a list of books that have fewer than 30 pages and more than 100 pages, what type of decision structure would you use? (TCO 3) A ______ represents only one of two states, usually expressed as true or false. (TCO 4) How many times will the following loop execute? (TCO 4) Array subscripts are always ____. (TCO 4) When a loop-control variable is not altered during loop execution, a(n) _____ loop may result. (TCO 4) A loop-control variable that is incremented a specific number of times is known as a(n)_ (TCO 4) A countdown loop operates by the loop-control variable _____. (TCO 4) All of the elements in an array have the same ____. Page 2 (TCO 1) Which of the following Windows commands will shut down and restart the computer File Server in 2 minutes? (TCO 1) The NETSH command that will set the IP address of the interface name NIC to a DHCP-supplied IP address is _____. (TCO 1) From a 32-bit Windows CLI, the command used to open a new CLI window is __ (TCO 1) Which one of the following Windows NET commands will allow other computers to access the C:\Data directory under the share name UserData? (TCO 5) ………..used to indicate the end of a function? (TCO 5) What variable scope is preferable? (TCO 5) When writing named constant identifiers, it is a common convention to ______. (TCO 5) ……….. … be a named constant? (TCO 6) The following command opens a text file in VBScript. Set file = fso.OpenTextFile(“C:\Data\CustData.txt”, ?, ??, ???) To open a file for writing, the value of ? must be_ (TCO 6) Once you have a file selected with file = fso.GetFile(“C:\DataFile.dat”), what command will allow you to access the file attributes? (TCO 6) The following command opens a text file in VBScript. Set file = fso.OpenTextFile(“C:\Data\CustData.txt”, ?, ??, ???) …………. ??? must be _____. (TCO 6) The following command opens a text file in VBScript. Set file = fso.OpenTextFile(“C:\Data\CustData.txt”, ?, ??, ???) To open a file for reading, the value of ? must be _____. (TCO 7) The general syntax of an SQL select statement is _____. (TCO 7) The questions that cause the database software to extract the appropriate records from a table and specify the fields to be viewed are called ____. (TCO 7) What is the name for a column that uniquely identifies a record? (TCO 7) What is the name for a unique key that is constructed from multiple columns? Page 3 (TCO 1) Write the Windows CLI commands that will clear the screen; turn off command echo;and display the current IP address,subnet mask, and default gateway. (TCO 1) Write the Windows CLI NET commands that will turn the Spooler service OFF and then ON. (TCO 2) Write the VBScript code lines that define a constant TAX RATE that is 25%, a variable base Pay that is $1000, and a variable bonus Pay that is $500. Calculate the net pay, and assign that value to netPay. Then, calculate the taxes, and assign that value to tax Withheld. (TCO 3) Given the variable age, write the VBScript code that will decide whether the age is of a teenager or is not of a teenager. Display the message “The value of age is a Teenager” or “The value of age is NOT a Teenager,” depending on the value of the age. Page 4 (TCO 4) Write the VBScript code that initializes all the variables in the numArray(100) to the value numArray(0)=1, numArray(1)=2,&#-123;,numArray(100)=101. (TCO 5) Write a VBScript procedure (or subroutine) called Swap(ByRef num1,ByRef num2) that accepts two number variables by reference and exchanges the two values whereby num1 is assigned the original value of num2, and num2 is assigned the original value of num1. (TCO 6) Write the VBScript code that defines the Scripting.FileSystemObject and the file C:\Data\DataFile.txt for writing…….. (TCO 7) Assuming that you are connected to a database called Computers.mdb with the fields Computer, Hostname, Room_Num, CPU_Type, Num_CPUs, Bit_Size, OS_Type, Memory, and HDD_Size, write the SQL Query String sqlStr such that the fields Computer, Hostname, and CPU_Type will be displayed for all the records that indicate that CPU_Type is “AMD” and the Bit_Size is 64. The returned records should be sorted by Hostname.