Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Write TRUE if the output of the expression is true and FALSE if the output of the expression is false.
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- (Find the two highest scores)Write a program that prompts the user to enter the number of students and each student’s name and score, and displays the name and score of the student with the highest score and the student with the second-highest score.Sample RunEnter the number of students: 5Enter a student name: SmithEnter a student score: 60Enter a student name: JonesEnter a student score: 96Enter a student name: PetersonEnter a student score: 85Enter a student name: GreenlawEnter a student score: 98Enter a student name: ZhangEnter a student score: 95Top two students:Greenlaw's score is 98.0Jones's score is 96.0arrow_forwardChoose the correct answer: Statements in while loop will be executed at least once. Statements in do...while loop will be executed at least once. Statements in for loop will be executed at least once. Statements in any loop will always be executed at least once.arrow_forward(Yes/No): Is it possible for both the Sign and Zero flags to be set at the same time?arrow_forward
- Determine whether these statements are true or false. Enter T or F. (a) ØE{Ø} (b) { Ø}E{Ø} (c) ØC{Ø} (d) Ø E{0}arrow_forwardthis code is not workingarrow_forward*Modify the program so that the user will error trap for only 1 and 0 as an input. *If the user enters an input other than 1 or 0 display an error message and request the user enter that input again. *Do this for all inputs in the code. # User defined function for logic OR# The function takes two parameters and returns a single intdef OR(a: int, b: int)->int:# If a is equal to 1 return 1if a == 1 :return 1# If b is equal to 1 return 1elif b == 1 :return 1# If a and b is equal to 0 return 0else :return 0 # User defined function for logic NOR# The function takes two parameters and returns a single intdef NOR(a: int, b: int)->int:# If a is equal to 0 and b is also equal to 0 return 1if a == 0 and b == 0 :return 1# If a is equal to 0 and b is equal to 1 return 0elif a == 0 and b == 1 :return 0# If a is equal to 1 and b is also equal to 0 return 0elif a == 1 and b == 0 :return 0# If a is equal to 1 and b is also equal to 1 return 0elif a == 1 and b == 1 :return 0 # User defined…arrow_forward
- BOOLEAN EXPRESSION.( NEED ONLY HANDWRITTEN SOLUTION PLEASE OTHERWISE DOWNVOTE).arrow_forwardWrite code that outputs variable numItems.arrow_forward(DEBUG AND MAKE A FLOWCHART OF THIS PROGRAM) // This pseudocode is intended to display// employee net pay values. All employees have a standard// $45 deduction from their checks.// If an employee does not earn enough to cover the deduction,// an error message is displayed.// This example is modularized.start Declarations string name string EOFNAME = ZZZZ while name not equal to EOFNAME housekeeping() endwhile while name not equal to EOFNAME mainLoop() endwhile while name not equal to EOFNAME finish() endwhilestop housekeeping() output "Enter first name or ", EOFNAME, " to quit "return mainLoop() Declarations num hours num rate num DEDUCTION = 45 num net output "Enter hours worked for ", name input hours output "Enter hourly rate for ", name input rate gross = hours * rate net = gross - DEDUCTION if net > 0 then output "Net pay for ", name, " is ", net else output "Deductions not covered. Net is…arrow_forward
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