Answer question 17, 18, showing fully all the steps. Solution should be perfect(very correct), clear, brief and explicit enough! In order to mA V 1or trueBWhat is the value return by thefunction, call Fun(2)?A. 2В. 4C. 8D. 1612. Page fault occurs when2" should bealways, the box labeledreplaced byA. An OR gateB. An AND gateA NAND gateXOR gateA. The page is corrupted by anapplication softwareB. The page is present in mainmemoryC. The page is not present inmain memoryD. One tries to divide anumberby zeroWith the round robin CPUscheduling in a time- sharedsystem.A. Using very large time slicegenerates into first come firstserved algorithmB. Using extremely small time slicesimprove performanceC. Using extremely small ime slicesdegenerates into last in first outalgorithmD. Using medium sized time slicesleads to shortest remaining timeext algorithm14. What kind of transmissionmedium is most appropriate tocarry data into a computernetwork that is exposed toelectrical interferences?A. Unshielded twisted pairB. Optical fibreC. MicrowaveD. Coaxial cable15. consider the following circuitThe number (73x)8 =(111011001)2What is the value of X?A. 1В. 2С.4D. 517. If X, Y and Z are Booleanvariables, then (X+Y)(X+Z)=0, if X,Y, Z takes the valueA. 1, 0, 0В. 0, 1, 0С. 1, 1,0D 0,1,1,18. Course(courseid, secid, andsemester) are and course is a.A. Relation, AttributeB. Attributes, RelationC. Tuple, RelationD. Tuple, Attributes19. You have run an SQL statementthat asked the DBMS to displaydata in a table named16.13.USERTABLES, The result includecolumns of data labeled "Table

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17. If X, Y and Z are Boolean variables, then (X+Y)(X+Z)=0, if X, Y, Z takes the value A. 1,0,0 В. 0, 1,0 С. 1, 1, 0 D 0,1,1, 18. Course(courseid, secid, and semester) are and course is a. A. Relation, Attribute B. Attributes, Relation C. Tuple, Relation D. Tuple, Attributes

17. If X, Y and Z are Boolean variables, then (X+Y)(X+Z)=0, if X, Y, Z takes the value A. 1,0,0 В. 0, 1,0 С. 1, 1, 0 D 0,1,1, 18. Course(courseid, secid, and semester) are and course is a. A. Relation, Attribute B. Attributes, Relation C. Tuple, Relation D. Tuple, Attributes

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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Question

Answer question 17, 18, showing fully all the steps. Solution should be perfect(very correct), clear, brief and explicit enough!

In order to mA V 1or true
B
What is the value return by the
function, call Fun(2)?
A. 2
В. 4
C. 8
D. 16
12. Page fault occurs when
2" should be
always, the box labeled
replaced by
A. An OR gate
B. An AND gate
A NAND gate
XOR gate
A. The page is corrupted by an
application software
B. The page is present in main
memory
C. The page is not present in
main memory
D. One tries to divide anumber
by zero
With the round robin CPU
scheduling in a time- shared
system.
A. Using very large time slice
generates into first come first
served algorithm
B. Using extremely small time slices
improve performance
C. Using extremely small ime slices
degenerates into last in first out
algorithm
D. Using medium sized time slices
leads to shortest remaining time
ext algorithm
14. What kind of transmission
medium is most appropriate to
carry data into a computer
network that is exposed to
electrical interferences?
A. Unshielded twisted pair
B. Optical fibre
C. Microwave
D. Coaxial cable
15. consider the following circuit
The number (73x)8 =
(111011001)2
What is the value of X?
A. 1
В. 2
С.4
D. 5
17. If X, Y and Z are Boolean
variables, then (X+Y)(X+Z)=0, if X,
Y, Z takes the value
A. 1, 0, 0
В. 0, 1, 0
С. 1, 1,0
D 0,1,1,
18. Course(courseid, secid, and
semester) are and course is a.
A. Relation, Attribute
B. Attributes, Relation
C. Tuple, Relation
D. Tuple, Attributes
19. You have run an SQL statement
that asked the DBMS to display
data in a table named
16.
13.
USERTABLES, The result include
columns of data labeled "Table

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