CIT211 PAST TMA QUESTIONS.
1.The third generation officially began in april __________ with
IBM's announcement of its system/360 family of computers.
1964
1965
1966
1967
2. _________ kernel is a kernel architecture based on combing
aspect of micro kernel & monolithic.
Dico
Pico
Hybrid
None of the above
3.A significant problem that multitasking system must address
is sharing data & _______ among multiplied tasks.
Hardware resources
Software resources
Program resources
Kernel resources
4.A ________ computing system is a connection of physical
inter-connected computers.
Digital
Software resource
Networked
None of the above
5.Consideration in the design of a kernel is ________ tolerance.
Fault
Pressure
Logic
Binary
6.An OS allows computer system resource to be used on an
________ manner
Remarkable
Logic
Efficient
Credible
7.An ________ system can be defined as a set of computer
programs that manages the hardware and software resource
of a computer.
Operating
Logical
Binary
Program
8.One of the features of Ms Dos version 3.0 is that it
supported ________ disks.
ROM
RAM
RIM
MEMORY
9.A ________ is sometimes called light-weight process.
Object
Operating System
Thread
Kernal
10.Thread ________ is the task of terminating a thread before it
has completed.
Cancellation
Editing
Halting
Stopping
11. ________ Allocation is even more critical in an real-time
operating system than on other operating system.
Bus
Memory
Register
RAM
12.TAJ is indians first object oriented operating system,It is
made with C++ with some part in ________
JAVA
Assembly
SQL
PHP
13.The ________ generation is characterized by the appearance
of the personnal computer & work station.
Second
First
Fourth
Third
14. ________ Are threads that are visible to the programmer
and unknown to the kernel.
Wires
Cables
Connectors
Fibers
15.The first generation marked the beginning of ________
computing.
Digital
Commercial
Analog
None of the above
16.In general a lock free algorithm can run in ________ phases.
2
3
4
5
17.The ________ to/one model maps many user level threads to
one kernel thread.
Many
One
Two
Zero
18.Every signal has a default signal handler that is run by the
kernel when handling the signal.these default may be
overridden by a _______ defined signal handler function.
Kernel
Logic
User
Program
19._________Schedulling is the simplest algorithm but it can
cause short processes to wait for very long one.
SCF
FCFS
Computer
None of the above
20.________modelling is a type of analytical evaluation.
Non-Deterministic
Deterministic
Regular
Irregular
21.The function of a ________ is to allow processes to
communicate with one another without the need to resort
shared data.
Binary System
Message System
Logic System
None of the Above
22.In the second generation the ________ channel was
controlled by a channel program set up by the operating
system I/O control routines & initiated by a special instruction
executed by the C.P.U
Data
Memory
Processor
All of the Above
23.A process is _________ if it can be affected by the other
process executing in the system.
Operating
Co-operating
Fixed
Moveable
24.The principal of separation of mechanism and policy is the
substantial difference b/w the philosophy of _____ and
monolithic kernel.
Micro
Mini
Macro
None of the Above
25.With _______,each process that wants to communicate
must explicitly name the recipient or sender of a
communication.
Indirect
Fixed
Wireless
Direct
26.________ Dinjkstra proved that from operation logical point
of view,atomic lock and unlock operating on binary
semaphores are sufficient primitives to express any
functionality of process co-operation.
EDISAR
EDROGOR
EDSGER
EGEDAR
27.The idea of kernel where I/O devices are handled uniformly
with other process as parallel to co-operating processes was
first proposed and implemented by _______.
YURI GAGARI
BILL GATE
CHARLES BABBAGE
BRINCH HANSEN
28.The second generation of computer hardware was must
not ably characterized by _________ replacing vaccum tubes as
the hardware component technology.
Resistor
Transistor
Indicators
Capacitors
29.In a _______ processing operating system environment user
submit job to central place where those jobs are connected
into a batch and subsequently placed on an input queue at
the computer where they will be run.
Batch
Time
Mono
None of the above
TMA: TMA1/CIT102
Matric Number: SCORE=8.50
CIT102 – Software Application Skill
1 A fourth generation computer is
recognised for its use of _____________
Large Scale
circuit
Transistors
Noneof the above
2 _________ is responsible for the direct
and indirect interconnection of computer
devices.
ROM
Main memory
Motherbord
Computer cables
3 The device that communicates with
computer and intepretes the data on a
storage media is called _______
Drive
Keyboard
Chip
Memory
4 In an effort to sort the allowance of staff
using a computer, what part of the CPU is
responsible for that?
System unit
Binary unit
Control unit
Arithmetic Logic unit
5 The Central Unit part of a Central
Processsing Unit operates in what is called
the ___________ cycle.
Execute-fetch
Execute
Instruction
Fetch-execute
6 A memory of 2 bytes is equivalent to
how many bits?
6bits
12bits
16 bits
48 bits
7 ________ is considered as a computer
peripheral.
ROM
Control unit
Mouse
Main memory
8 Instructions given to the computer to
execute are in form of __________.
Data
Commands
Requests
Digits
9 One of these converts computer digital
information into what we can understand
CPU
Display devices
Keyboard
Main memory
10 ________ is a type of computer output
device that emits radiation.
Monitor
Printer
LED
Speakers
11 One of these is considered as a
computer standard input unit.
Keyboard
Joystick
Mouse
Scanner
12 Which of these is not a type of printer?
SpeedJet Printer
DotMatrix Printer
Inkjet Printer
LaserJet Printer
13 __________ is the smallest unit for
memory measurement.
Bits
Byte
Minibits
Minibyte
14 One of these is not a component of a
computer’s CPU
Process Unit
Arithmetic logic unit
Control unit
Main memory
15 _________ is called the worhorse of a
computer’s CPU
Control unit
Main memory
Arithmetic logic unit
Monitor
16 which of these is not a type of
computer?
Midi Computer
Main frame computer
Mini computer
Personal computer
17 The name microcomputer is coined
from the fact it is designed to use ________
Microchips
Micromemory
Microprocessor
Microdisplay
18 Common storage devices used by the
computer are called__________
FlashDisk
Memory stick
FloppyDisk
Drives
19 Floppy and CD drives are also known
as__________
Detached drives
Mini drives
Portable drives
Removable drives
20 A common keyboard has how many
number of keys?
103
100
102
None of the above
*DCADD-CCBBA-AAAAC-ACDDD*
[3/21, 7:25 AM] Kola Abass: TMA: TMA2/CIT102
Matric Number: SCORE=10.00
CIT102 – Software Application Skill
1 In Word Processing environment, the
______ is very similar to the tip or point of
a pen and it indicates where text will
appear next when it is entered from the
keyboard
Icon
Cursor
Editor
Processor
2 ______ involves changing the appearance
of a document.
Deleting
Saving
Formatting
None of the above
3 ______ simply means Treasury of
Synonym and Antonyms where you can
select alternative words for same words.
Cusarus
Tweasarus
Treasure
Thesaurus
4 ______ screen allows you to see how your
document will appear on paper before
printing it.
Overview
Post
Preview
None of the above
5 Selecting ______ in word simply opens a
blank screen for you to create a new
document.
Word
New
Excel
All of the above
6 _____ option saves your document, using
the current filename or the one given to it
by Microsoft Word.
Save
Edit
Delete
Open
7 The application used for easier
calculation is ________
Word
Excel
Access
Powerpoint
8 Editing is simply defined as Text
_________
Editing
Writing
Font
Manipulation
9 _____ is the manipulation of characters
by a machine to serve communication
purposes.
Process
Alteration
Word Processing
None of the above
10 A ______software simply uses the power
and speed of a computer machine to
perform some mathematical calculations
or simulate some real life situations.
Changing
Modeling
Sculpting
None of the above
11 Electronic Spreadsheet application is
majorly used in business by accounting
professionals to perform ______
calculations
Financial
Economic
Software
None of the above
12 Database Management packages are the
applications that computerize the routine
tasks of recording and filing of ______
Data
Information
Source
Tables
13 _________ is an application used for text
preparation
Microsoft word
Excel
Access
Powerpoint
14 Microsoft project is an application used
for _________
Project
Management
Project management
None of the above
15 Oracle provides application for
________ application
Data
File
Filecase
Database
16 _______ is the term for changing of a
document.
Texting
Saving
Editing
Processing
17 _______ packages are used for creating
published materials such as Newsletters,
Brochures and Flyers.
Software
Interface
Desktop Publishing
Table
18 A very good example of Desktop
Publishing packages is the ___________
Spreedsheet
Powerpoint
Word Processing
Microsoft Publisher
19 _______ applications were among the
first commercial uses of digital computers.
Software
System
Accounting
None of the above
20 _________ is an application used for
presentations
Excel
Microsoft powerpoint
Word Processing
Word publishing
*BCDCB-ABDCB-ABACD-CCDCB*
[TMA: TMA4/CIT102
Matric Number: SCORE=10.00
CIT102 – Software Application Skill
1 Statistical analysis plays an important
role in ___________
Analysis
Business planning
Conclusive reults
None of the above
2 One of these converts computer digital
information into what we can understand
CPU
Display devices
Keyboard
Main memory
3 Data can be searched in the database
using _________
Find and replace
Sorting
Filter
All of the above
4 Instructions given to the computer to
execute are in form of __________.
Data
Commands
Requests
Digits
5 One of these is a design type in
microsoft access
Columnar
Tabular
Data sheet
All of the above
6 Which of these is a word file extension?
.doc
.docx
All of the above
None of the above
7 An excel file usually has the ____
extension
.xsl
.xls
.lxs
.doc
8 The E on the standard tool bar of
microsoft excel allows _______
Autosum
Autosubtract
Autodivide
All of the above
9 One of these is a trend type when
plotting trend lines of a graph
Linear
Logarithmic
Polynomial
All of the above
10 A _____ is a data structure consisting of
different items of data all related to a
common subject
Record
Table
Field
Database records
11 One of these is not a property of fields
used in database
Field name
Field data type
Field maximum size
None of the above
12 The Central Unit part of a Central
Processsing Unit operates in what is called
the ___________ cycle.
Execute-fetch
Execute
Instruction
Fetch-execute
13 When using a table in microsoft access
as a new user it is strongly advised to
make use of the __________
New user
Wizard
Access help
Saved tables
14 One of these is not among the steps of
opening MS-Access
Click start
Select control panel
Select program
Select Access
15 One of these is not an example of
database application
Microsoft acess 2000
Lotus approach
Quatro pro
None of the above
16 _________ are deifned as the screen
platforms between a user and database
records
Fields
Records
Database forms
Tables
17 These are common types of data used
in field types in a database application
except _____
Numeric
Character
Logical
None of the above
18 Usually the character fields of a DBMS
are limited to _____ characters
253
254
255
256
19 DBMS, stands for Database
management ___________
System
Service
Server
None of the above
20 A _____ is the group of records that hold
all the data involved in a database
Database forms
Database table
Database fields
Database records
*BBDBD-CBADA-DDBBD-CDCAB*
TMA: TMA3/CIT102
Matric Number: SCORE 10.00
CIT102 – Software Application Skill
1 A compiler translates the original
program, called the Source Program into
what is called the _______
Procedure-oriented
Object Program
Operator
OS
2 ________ languages help programmers to
solve a problem by indicating the
procedures to be used by the computer.
Procedure-oriented
Object Program
Operator
OS
3 ______ languages are the machine-
independent languages.
Low level
High-Level
Mid level
Level
4 ________ language was developed to use
symbolic names or mnemonics to alleviate
some of the difficulties in using Machine
language.
Machine
Interpreter
Assembly
Interface
5 A ________ language is the only language
the computer actually understands.
High level
Middle level
Up level
Low level
6 An/A ______ is a collection of computer
programs that helps you to run other
programs and manage other devices on
the computer system.
Operating System
System
Operator
Computer
7 _______ is an OS that allows you to run
only one program in the Main Memory
and processed at a time.
Single
Single User OS
Multi-user
OS
8 A _______ OS supports many users to
share the same resources or devices of the
computer system simultaneously.
Single
Single User OS
Multi-user
OS
9 Windows Operating System is a typical
example of OS that runs programs and
arranges them in _________
Tables
Forms
Window
Window-forms.
10 _________ simply a graphical
representation of a program, a file or a
program activity which you can just
double-click to run or open.
Graph
Pictures
Icon
Interface
11 The ______ phase of computer
programming consists of debugging or
removing the program errors and the
program testing.
First
Third
Fourth
Fifth
12 The third phase of computer
programming is also called the starting
point of ___________
Design
Implementation,
Assembly
Analysis
13 In computer programming the ________
stage is where you as a programmer, plan
the logic of the solution.
Design
Analysis
Implementation
Requirement
14 In _____ phase of computer
programming the problem is described
and fully analysed.
Second
First right answer
Third
Fourth
15 The file extension for Bitmap or
Graphic Image is ______
.bpm
.mpb
.bmp
.pmb
16 Letter “D” is used for the _______ drive
Floppy ROM
Flash ROM
ROM
CD-ROM
17 The instructions meant to run an
application are stored in________
Procedure-oriented
Program Files
Program
Files
18 Every drive has what is called a Root
____________
Directory
House
File
Section
19 Information created by using an
application is stored in ________.
Files
Data Files
Data
Information
20 Letter “A” is usually used by the OS to
Identify _______ drive
Disk
Directory
Floppy
Flash
*BABCD-ABCDC-CBADC-DBAB
CIT211 PAST TMA QUESTIONS.
1.The third generation officially began in april __________ with
IBM's announcement of its system/360 family of computers.
1964
1965
1966
1967
2. _________ kernel is a kernel architecture based on combing
aspect of micro kernel & monolithic.
Dico
Pico
Hybrid
None of the above
3.A significant problem that multitasking system must address
is sharing data & _______ among multiplied tasks.
Hardware resources
Software resources
Program resources
Kernel resources
4.A ________ computing system is a connection of physical
inter-connected computers.
Digital
Software resource
Networked
None of the above
5.Consideration in the design of a kernel is ________ tolerance.
Fault
Pressure
Logic
Binary
6.An OS allows computer system resource to be used on an
________ manner
Remarkable
Logic
Efficient
Credible
7.An ________ system can be defined as a set of computer
programs that manages the hardware and software resource
of a computer.
Operating
Logical
Binary
Program
8.One of the features of Ms Dos version 3.0 is that it
supported ________ disks.
ROM
RAM
RIM
MEMORY
9.A ________ is sometimes called light-weight process.
Object
Operating System
Thread
Kernal
10.Thread ________ is the task of terminating a thread before it
has completed.
Cancellation
Editing
Halting
Stopping
11. ________ Allocation is even more critical in an real-time
operating system than on other operating system.
Bus
Memory
Register
RAM
12.TAJ is indians first object oriented operating system,It is
made with C++ with some part in ________
JAVA
Assembly
SQL
PHP
13.The ________ generation is characterized by the appearance
of the personnal computer & work station.
Second
First
Fourth
Third
14. ________ Are threads that are visible to the programmer
and unknown to the kernel.
Wires
Cables
Connectors
Fibers
15.The first generation marked the beginning of ________
computing.
Digital
Commercial
Analog
None of the above
16.In general a lock free algorithm can run in ________ phases.
2
3
4
5
17.The ________ to/one model maps many user level threads to
one kernel thread.
Many
One
Two
Zero
18.Every signal has a default signal handler that is run by the
kernel when handling the signal.these default may be
overridden by a _______ defined signal handler function.
Kernel
Logic
User
Program
19._________Schedulling is the simplest algorithm but it can
cause short processes to wait for very long one.
SCF
FCFS
Computer
None of the above
20.________modelling is a type of analytical evaluation.
Non-Deterministic
Deterministic
Regular
Irregular
21.The function of a ________ is to allow processes to
communicate with one another without the need to resort
shared data.
Binary System
Message System
Logic System
None of the Above
22.In the second generation the ________ channel was
controlled by a channel program set up by the operating
system I/O control routines & initiated by a special instruction
executed by the C.P.U
Data
Memory
Processor
All of the Above
23.A process is _________ if it can be affected by the other
process executing in the system.
Operating
Co-operating
Fixed
Moveable
24.The principal of separation of mechanism and policy is the
substantial difference b/w the philosophy of _____ and
monolithic kernel.
Micro
Mini
Macro
None of the Above
25.With _______,each process that wants to communicate
must explicitly name the recipient or sender of a
communication.
Indirect
Fixed
Wireless
Direct
26.________ Dinjkstra proved that from operation logical point
of view,atomic lock and unlock operating on binary
semaphores are sufficient primitives to express any
functionality of process co-operation.
EDISAR
EDROGOR
EDSGER
EGEDAR
27.The idea of kernel where I/O devices are handled uniformly
with other process as parallel to co-operating processes was
first proposed and implemented by _______.
YURI GAGARI
BILL GATE
CHARLES BABBAGE
BRINCH HANSEN
28.The second generation of computer hardware was must
not ably characterized by _________ replacing vaccum tubes as
the hardware component technology.
Resistor
Transistor
Indicators
Capacitors
29.In a _______ processing operating system environment user
submit job to central place where those jobs are connected
into a batch and subsequently placed on an input queue at
the computer where they will be run.
Batch
Time
Mono
None of the above
TMA: TMA1/MTH211
MTH211 – SET THEORY AND ABSTRACT ALGEBRA
Mr Ogundipe Olalekan
(oogundipe@noun.edu.ng )
1 Four sets X, Y, V and W has u, 7, h, 20 and t
elements respectively, how many elements has
the Cartesian product (Y x V x W) formed from
the sets Y, V and W
A. 140
B. 120u
C. 140h
D. 20h
2 Consider a relation * defined on
(a,b),(c,d)ϵR2
(a,b),(c,d)ϵℜ2
by
(a,b)∗(c,d)
(a,b)∗(c,d)
to mean
2a−b=2c−d
2a−b=2c−d
which of the following is true about *
A. is only symmetric
B. is only reflexive and transitive
C. is only symmetric and Transitive
D. Is reflexive, symmetric and transitive
3 Let R be the universal set and suppose that
X={yϵR:0<y≤7}
X={yϵR:0<y≤7}
and
Y={yϵR:6≤y<12}
Y={yϵR:6≤y<12}
find X\Y
A. {yϵR:2<y<6}
{yϵR:2<y<6}
B. {yϵR:2≤y<6}
{yϵR:2≤y<6}
C. {yϵR:2≤y≥6}
{yϵR:2≤y≥6}
D. {yϵR:2<y≥6}
{yϵR:2<y≥6}
4 If R (the set of real number) be the universal set
and sets
V={yϵR:0<y≤3}
V={yϵR:0<y≤3}
and
W={yϵR:2≤y<4}
W={yϵR:2≤y<4}
What is
Vl
Vl
A. {yϵR:1<yory>3}
{yϵR:1<yory>3}
B. {yϵR:−1<yory>1}
{yϵR:−1<yory>1}
C. {yϵR:0≤yory>3}
{yϵR:0≤yory>3}
D. {yϵR:0<yory>1}
{yϵR:0<yory>1}
5 For sets A and B , if A and B are subset of Z (the
set of Integer) which of the following relations
between the two subset is true?
A. (AuB)= A
B. (A\B)n(B\A)= empty set
C. (A\B)n(B\A)= Z
D. (A\B)u(B\A)= empty set
6 Four relations a to d are defined on sets A and
B as in the diagram shown. Which of the
relations represent a function from A to B?
Click here to see exhibit
A. f1 and f2
B. f1 and g1
C. f2 and g1
D. f2 and g2
7 Which of the following pair of functions has f o
g = g o f
A. f(y)=y3
f(y)=y3
and
g(y)=y√3
g(y)=y3
B. f(y)=y^{5}
and
and
g(y)=3y+7$$
C. f(y)=y2
f(y)=y2
and
g(y)=y+7
g(y)=y+7
D. f(y)=y2
f(y)=y2
and
g(y)=3y+7
g(y)=3y+7
8 Given a set
X={a,b,c}
X={a,b,c}
, and a function
Ψ:X→X
Ψ:X→X
define by
Ψ(a)=b,Ψ(b)=a,Ψ(c)=c
Ψ(a)=b,Ψ(b)=a,Ψ(c)=c
. the function is
A. Only unto
B. only injective
C. bijective
D. no solution
9 A matrix
X=(3512)
X=(3152)
define a function from
R2toR2
R2toR2
by
fX(a,b)=(3a+b,5a+2b)
fX(a,b)=(3a+b,5a+2b)
. find the inverse function of
fX
fX
A. f−1X(a,b)=(3a−b,−5a+3b)
fX−1(a,b)=(3a−b,−5a+3b)
B. f1X(a,b)=(2a−b,−5a+3b)
fX1(a,b)=(2a−b,−5a+3b)
C. f5X(a,b)=(2a−b,−5a+3b)
fX5(a,b)=(2a−b,−5a+3b)
D. f1X(a,b)=(2a−b,−5a+4b)
fX1(a,b)=(2a−b,−5a+4b)
10 Which of the following is divisible by 17 for
all positive integer n
A. 7n+2
7n+2
B. 6n+2
6n+2
C. 2.7n+3.5n−5
2.7n+3.5n−5
D. 3.52n+1+23n+1
3.52n+1+23n+1
*CDABB-ADCBD*
TMA: TMA2/MTH211
MTH211 – SET THEORY AND ABSTRACT ALGEBRA
Mr Ogundipe Olalekan
(oogundipe@noun.edu.ng )
1 Let Z be a complex number, then
Z.Z¯
Z.Z¯
is ……..
A. a prime number
B. a non-negative real number
C. a natural number
D. an irrational number
2 A ………… of an Abelian group is Abelian
A. set
B. subset
C. group
D. subgroup
3 One of the following is untrue for the
description of a non empty set
A. An element can be written more than once
B. The order in which the elements of the set are
listed is not important.
C. The roster method is sometimes used to list the
elements of a large set
D. Every element must be written exactly once .
4 A = {x / x is an odd number between 5 and 21}
is same as————
A. A = {5,7,9,11,13,15,17,19}
B. A = {5,7,9,11,13,15,17,19,21}
C. A = {x : x is an odd number between 5 and
21}
D. A = {7,9,11,13,15,17,19,21}
5 The following are true except
A. If every element of a set B is an element of a
set A, then B is a subset of A.
B. A is a subset of B is denoted by
A⊂B
A⊂B
C. Two sets A and B are equal if and only if
A⊆B
A⊆B
and
B⊆A
B⊆A
D. Two sets A and B are equal if and only if A = -
B and B = A
6 Given that S = { a, b, c, d , e } and T = { a, c, e },
then one of these is untrue
A. T is a subset of S
B. T⊆S
T⊆S
C. S≠T
S≠T
D. S⊆T
S⊆T
7 Given that A ={ a, b, c, d , e } and B = { a, c, e },
then B is a …….. of A.
A. set
B. subset
C. subscribe
D. subscript
8 If A = { a + i b / a, b ϵ R }, then A is a set of
……… numbers
A. rational
B. natural
C. real
D. complex
9 …………… is the set of natural numbers
A. {1, 2, 3, ……}
B. {0,1, 2, 3, ……}
C. {±1, ± 2, ± 3 …… }
D. {0, ±1, ± 2, ± 3 …… }
10 One of the following truly represents a set
A. {1, 3, 1, 6, 7}
B. {1, 3, 6, 7}
C. {1, 3, 6, 7,1}
D. {1, 1, 3, 6, 7}
*BDACD-DBDAB*
[3/21, 7:25 AM] Kola Abass: TMA: TMA4/MTH211
MTH211 – SET THEORY AND ABSTRACT ALGEBRA
Mr Ogundipe Olalekan
(oogundipe@noun.edu.ng )
1 A relation R defined on a set S is said to be
………… if b R a
∀a,b∈S
∀a,b∈S
.
A. transitive
B. reflexive
C. symmetric
D. none of the above
2 A relation R defined on a set S is said to be
………… if a R b and b R c implies a R c
∀a,b,c∈S
∀a,b,c∈S
A. reflexive
B. symmetric
C. transitive
D. none of the above
3 Let A = {1, 2, 3} and B = {2, 3, 4}, then A \ B
A. 1
B. 2
C. 3
D. 4
4 Let A and B be two sets such that
a∈A
a∈A
and
b∈
b∈
B, then (a, b) is called ……….
A. ordained palrs
B. ordered augmented palrs
C. augmented palrs
D. ordered pairs
5 One of the following is false
A. (A∪B)×C=(A×C)∪(B×C)
(A∪B)×C=(A×C)∪(B×C)
B. (AB)×C=(A×C)∪(B×C)
(AB)×C=(A×C)∪(B×C)
C. (A∩B)×C==(A×C)∩(B×C)
(A∩B)×C==(A×C)∩(B×C).
D. A∪Ac=X
A∪Ac=X
, where X is the universal set
6 One of the following is not true of the Cartesian
product of two sets A and B.
A. A X B = ∅ if A = ∅ or B = ∅
B. If A has m elements and B has n elements,then
(A x B) has mn elements. (B x A) also has mn
elements.
C. The elements of (B x A) need not be the same
as the elements of (A x B).
D. The elements of (B x A) are always the same as
the elements of (A x B)
7 Let A = {1,2,3} and B = {5,6}, then A X B is
equal to
A. { (1, 4), (1, 6), (2, 5), (2, 6), (3, 4), (3, 6) }
B. { (1, 5), (1, 6), (2, 6), (3, 4), (3, 6) }
C. { (1, 5), (1, 6), (2, 5), (2, 6), (3, 5), (3, 6) }.
D. { (1, 2,3,5,6) }
8 Let A and B be two non-empty sets, then A X B
represents
A. Cartesian addition
B. Cartesian multiples
C. Cartesian product
D. Cartesian subtraction
9 The complement of the complement of a set is
……….
A. zero
B. one
C. the set itself
D. Subset
10 Two sets are disjoint if their……………… is
empty.
A. union
B. intersection
C. complement
D. all of the above
*CCADB-DCCCB*
TMA: TMA3/MTH211
MTH211 – SET THEORY AND ABSTRACT ALGEBRA
Mr Ogundipe Olalekan
(oogundipe@noun.edu.ng )
1 Let
R
R
be the universal and suppose that $$A=\left \{ x\;
\epsilon\mathbb{R}:0
A. Ac={xϵQ:x≤0orx>2}
Ac={xϵQ:x≤0orx>2}
B. Ac={xϵR:x≤0orx>3}
Ac={xϵR:x≤0orx>3}
C. Ac={xϵR:≤0x>1}
Ac={xϵR:≤0x>1}
D. Ac={xϵR:x≤−1orx>−0}
Ac={xϵR:x≤−1orx>−0}
2 If
A={x,y}
A={x,y}
,
B={1,2,3}
B={1,2,3}
and
C=Φ
C=Φ
. Find the Cartesian product of A and C
A. Φ
Φ
B. {(x,1),(x,2),(x,3),(y,1),(y,2),(y,3)}
C. {(x,1),(y,1),(x,2),(y,2),(x,3),(y,3)}
D. {(x,1),(x,2),(x,3),(y,1),(y,2),(y,3)}
3 Given that
f:Z→Q
f:Z→Q
be defined by
f(n)=n1
f(n)=n1
. Then f is/are
A. Bijective
B. unto
C. one to one
D. digective
4 Given that
g:Q→Z
g:Q→Z
be defined by
g(p/q)=p
g(p/q)=p
where p/q is a rational number expressed in its
lowest term with a positive denominator, g can
be said to b
A. unto
B. one to one
C. bijective
D. none of the option
5 If
B=ab
B=ab
such that a, b are integers , then B is a set of
_____numbers
A. complex
B. real
C. natural
D. rational
6 The________ product
A×B
A×B
of the sets A and B, is the set of all possible
ordered pairs (a, b), where
a∈A,b∈B
a∈A,b∈B
.
A. Dot
B. Cross
C. Cartesian
D. times
7 The set of all elements of set A that are not in
set B is called ……… of A and B
A. Difference
B. Union
C. Intersection
D. Universal
8 A rule which associates every element of a non-
empty set A exactly on element of a non-empty
set B is called a ____
A. equation
B. function
C. subset
D. set
9 Let A = {1, 2, 3} and B = {2, 3, 4}, then A \ B
A. 1
B. 2
C. 3
D. 4
10 A relation R defined on a set S is said to be
________ if b R a
∀a,b∈S
∀a,b∈S
.
A. transitive
B. reflexive
C. symmetric
D. none of the above
*BACAD-CABAC*