CIS 120 - Introduction to Databases » Summer 2021 » Quiz 1

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Question #1
1KB of storage contains exactly ______(hint: more than 1000) bytes.
A.   1402
B.   1024
C.   1020
Question #2
Java, C++, Python, and C are high-level procedural languages of 3GL.
A.   FALSE
B.   TRUE
Question #3
The decimal number 15 is equal to _________ in binary.
A.   1101
B.   1111
C.   1010
Question #4
The binary number 11101111 is equal to _____ in hex.
A.   EF
B.   DE
Question #5
Given that a professor can teach many courses, the relationship from Professor entity to Course entity is one-to-many.
A.   TRUE
B.   FALSE
Question #6
The primary key of the Student table (as shown below) can be LastName and FirstName. Student ( StudentID, LastName, FirstName, Address, Phone, GPA, Major, BirthDate )
A.   FALSE
B.   TRUE
Question #7
The hex number 00F is equal to _____ in decimal.
A.   20
B.   15
Question #8
The decimal number 10 is equal to _________ in binary.
A.   1010
B.   0101
Question #9
SQL is a procedural language of 4GL.
A.   FALSE
B.   TRUE
Question #10
1 MB of storage contains about 1 million bytes.
A.   TRUE
B.   FALSE
Question #11
ACCESS is a relational DBMS.
A.   FALSE
B.   TRUE
Question #12
To extract meaningful information from big data, the company needs optimal processing power, analytics capabilities, and skills.
A.   FALSE
B.   TRUE
Question #13
The binary number 10001001 is equal to _____ in hex.
A.   89
B.   98
Question #14
The binary number 001001 is = _______in Octal.
A.   11
B.   10
Question #15
If a consultant can serve many clients, then the relationship from Client table to Consultant table is 1-to-many.
A.   TRUE
B.   FALSE
Question #16
The binary number 00111000 is equal to _____ in decimal.
A.   56
B.   38
Question #17
The binary number 11001101 is equal to _____ in hex.
A.   CD
B.   EF
Question #18
Binary number 00001100 = _______ in decimal.
A.   11
B.   12
Question #19
Big data may be structured, unstructured, or a combination of both.
A.   TRUE
B.   FALSE
Question #20
A database is a data structure that holds all tables, all fields of all tables, and all relationships among all tables.
A.   FALSE
B.   TRUE
Question #21
ERD stands for ________ Relationship Diagram. (hint: E_________y )
A.   Entity
B.   Entry
Question #22
ERD shows the relationships among all tables or entities.
A.   TRUE
B.   FALSE
Question #23
DBMS stands for Data Base ___________ System. (hint: M_________t)
A.   Management
B.   Microsoft
Question #24
Some popular DBMS's are Windows 7, Windows 8, and Windows 10.
A.   TRUE
B.   FALSE
Question #25
Binary 110011 = ________ in decimal.
A.   33
B.   51
Question #26
Decimal 45 = ___________ in Binary.
A.   101101
B.   101010
Question #27
The binary number 101110111 is = _______in Octal.
A.   657
B.   567
Question #28
Access, MySQL, Oracle, and DB2 are DBMS's.
A.   TRUE
B.   FALSE
Question #29
Some advantages of using database approach are to control redundancy and to maintain referential integrity.
A.   FALSE
B.   TRUE
Question #30
A PC with a 3.4-GHz CPU can execute up to 3.4 million instructions per second.
A.   FALSE
B.   TRUE
Question #31
2 to the power of 200 is about = 10 to the power of 50.
A.   FALSE
B.   TRUE
Question #32
Hexadecimal numbering system is to group 3 binary digits into one hexadecimal digit.
A.   FALSE
B.   TRUE
Question #33
Some advantages of using database approach are to provide data independence and to facilitate data consistency.
A.   TRUE
B.   FALSE
Question #34
One disadvantage of using a DBMS is to suffer more damage for any DBMS failure.
A.   TRUE
B.   FALSE
Question #35
Entity can be event, person, object, student, or instructor.
A.   FALSE
B.   TRUE
Question #36
An attribute, column, or field is a property of an entity.
A.   FALSE
B.   TRUE
Question #37
  
A.   FALSE
B.   TRUE

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