Answer question 41, 42, 43 showing fully all the steps. Solution should be perfect(very correct), clear, brief and explicit enough!

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Answer question 41, 42, 43 showing fully all the steps. Solution should be perfect(very correct), clear, brief and explicit enough!

B. A stock control system.
C. A microwave oven.
D. A payroll system.
B. 1316
C. 800
D. 80
47. Which of the following is NOT a sort
algorithm?
A. Binary sort.
B. Bubble sort.
C. Insertion sort.
D. Quick sort.
48. Which logic gate does the following
truth table represent?
A
41. Which of the following is NOT a
mechanism that could be used in
detecting or preventing computer
crime?
A. Encapsulation.
B. Encryption.
C. Firewalls.
D. A payroll system.
is the name of a hypermedia
42.
file.
B Output
0.
1
A. Filename. FTP
B. Filename. URL
C. Filename. HTML
D. Filename. Pdf
43.A tuple in a database is:
A. A field.
B. A record.
C. An entity.
D. A relation.
44.In relational database management
system, what is a relation?
A. A set of attributes.
B. An object.
C. A table.
D. A field.
0.
1.
1.
A. AND
B. NAND
C. XOR
D. NOR
49. The machine instruction cycle is:
B. Fetch- execute - process.
C. Fetch - decode-execute.
D. Fetch - execute - decode.
50 Suppose you have the algorithmic
45. When data found in multiple lists is
updated only in some lists, this
statement:
WHILE (x > 0) DO "instruction"
ENDWHILE
If at the beginning variable x is
less than zero then:
A. "Instruction" will be done just
causes:
A. Data integrity.
B. Double entry
C. Data redundancy.
D Data inconsistency.
16.When using the extended ASCII
character set, how many bits will be
use in storing the word
TECHNOLOGY"?
once.
B. "Instruction" will never be done.
C. "Instruction" will be done
forever.
D. "Instruction" will be done exactly
x times.
96
Transcribed Image Text:B. A stock control system. C. A microwave oven. D. A payroll system. B. 1316 C. 800 D. 80 47. Which of the following is NOT a sort algorithm? A. Binary sort. B. Bubble sort. C. Insertion sort. D. Quick sort. 48. Which logic gate does the following truth table represent? A 41. Which of the following is NOT a mechanism that could be used in detecting or preventing computer crime? A. Encapsulation. B. Encryption. C. Firewalls. D. A payroll system. is the name of a hypermedia 42. file. B Output 0. 1 A. Filename. FTP B. Filename. URL C. Filename. HTML D. Filename. Pdf 43.A tuple in a database is: A. A field. B. A record. C. An entity. D. A relation. 44.In relational database management system, what is a relation? A. A set of attributes. B. An object. C. A table. D. A field. 0. 1. 1. A. AND B. NAND C. XOR D. NOR 49. The machine instruction cycle is: B. Fetch- execute - process. C. Fetch - decode-execute. D. Fetch - execute - decode. 50 Suppose you have the algorithmic 45. When data found in multiple lists is updated only in some lists, this statement: WHILE (x > 0) DO "instruction" ENDWHILE If at the beginning variable x is less than zero then: A. "Instruction" will be done just causes: A. Data integrity. B. Double entry C. Data redundancy. D Data inconsistency. 16.When using the extended ASCII character set, how many bits will be use in storing the word TECHNOLOGY"? once. B. "Instruction" will never be done. C. "Instruction" will be done forever. D. "Instruction" will be done exactly x times. 96
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