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Multiple choice questions:
1) A __________ divides a LAN into separate collision domains.
a) Repeater
b) Router
c) Bridge
d) None of the above
2) A buzzer is an example of:
a) Input peripheral
b) Output peripheral
c) Input / output peripheral
d) None of the above
e) All of the above
3) A language model is the combination of:
a) Dictionary, phonology and semantic rules
b) Lexicon, syntax rules and semantic rules
c) Lexicon, grammar and phonology
d) None of the above
4) A Palm PDA with a color screen using a- MHz processor will be felt to the reviewer -------- a Palm
PDA with monochrome screen using 10 MHz processor.
a) Faster than.
b) Slower than.
c) Same speed as.
d) Can’t be compared.
e) None of the above.
5) A spectrogram (in speech recognition context) is _______________________
a) A time domain representation
b) A frequency domain representation
c) A combination of time domain and frequency domain representations
d) None of the above
6) A user built a design in RAD with a multiple port generic object where choices are among: ‘Go
Home’, ‘Go to School’, and ‘Go to Work’. If the user chooses ‘Go Home’, then the confirmation
message will be stored in (note that $response is the variable):
a) $response
b) ‘$response’
c) $$response
d) ‘response’
e) None of the Above
7) According to the inverse square law: the signal strength will fall ____________ times if the
distance between transmitter and receiver is increased 3 times.
a) 2
b) 3
c) 4
d) 9
e) None of the above
8) All mobile telephone systems (1G,GSM and 3G) are similar in that
a) All of them use cells to facilitate frequency re-use
b) All of them are analogue systems
c) All of them are digital systems
d) All of them use FDMA and TDMA
e) None of the above
9) An Ethernet LAN can have only _____ collision domain.
a) One
b) None
c) Many
d) None of the above
10) Analogue Mobile phones are capable of ---------a) Transmitting voice signals.
b) Storing data in digital form.
c) Handling multimedia processes.
d) Both a & b
e) Both b & c.
11) Base stations for communication systems using TDMA and cheaper than those used for FDMA
because:
a) There are more frequency carrier used
b) Low frequency carrier is used
c) There are fewer frequency carrier used
d) All of the above
e) None of the above.
12) Broadcast TV services usually is ______________ communication system
a) One-to-one
b) One-to-many
c) Many-to-many
d) Many-to-one
e) None of the above
13) CDMA stands for ____________________.
a) Code Division Multiple Access
b) Code Division Multiplexing Access
c) Circuit Design for Mobile Applications
d) Circuit Division for Multiple Applications
14) Continuous Speech Recognizers consist of:
a) Speaker Independent Systems and Isolated Word Recognizers
b) Speaker Independent Systems and Speaker Enrollment Systems
c) Speaker Enrollment Systems and Isolated Word Recognizers
d) None of the Above
15) Data transfer rate for GSM is ………...that of GPRS.
a) Less than
b) Similar to
c) Greater than
d) Cannot be compared to
e) None of the above
16) How many groups of standards do we have:
a) One
b) Two
c) Three
d) Four
e) None of the above
17) If 6 bits are used in each code word , the total number of code words is:
a) 256
b) 128
c) 64
d) 32
e) 16
18) if 7 bits are used in each code word, the total number of code words is:
a) 14
b) 16
c) 64
d) 128
e) 32
19) If 8 bits are used in each code word, the total number of code words is:
a) 256
b) 128
c) 64
d) 32
e) 16
20) ISDN stands for _____________________.
a) Internet Services Domain Network
b) International System Digital Network
c) Integrated System Domain Network
d) Integrated Services Digital Network
21) If the system does not support message exchange, then the communication system is said to be
______________.
a) Simplex
b) Duplex
c) Bidirectional
d) None of the above
22) In a system with 32-bit Data Words, how many data words would we have if the size of the
Main Memory is 1024 Bytes?
a) 256
b) 528
c) 128
d) 512
e) 356
23) In a system with 64-bit Data words, how many data word would we have if the size of the main
memory is 1 Mbytes.
a) 131072
b) 512
c) 16384
d) None of the above
24) In design strategy, ____________ is the translation of all initial thinking into some mental or
physical activity.
a) Actions
b) Statement
c) Tools
d) Implementation
25) Industry-Wide Standards
a) These standards are published and can be adopted by any manufacturer.
b) Are called de jure standards
c) These standards are designed by a single manufacturer and are not available to others
d) These standards appears from common usage and are often originate from a single
manufacturer who encourages other to use them
e) b and c
26) JPEG uses --------- compression method than GIF.
a) Less powerful.
b) Same powerful.
c) More powerful.
d) Can’t be compared.
e) None of the above.
27) Main memory can be thought of as a set of numbered „slots‟ called _________________.
a) Locations
b) Register
c) BIOS
d) ROM
e) None of the above
28) Micro browsers are used in mobile devices to:
a) Decode pages written in HTML
b) Decode pages written in SGML
c) Encode pages written in HTML
d) Encode pages written in WML
e) Decode pages written in WML
29) Multiplexing is the process of :
a) Combining several channels in one channel
b) Combining several signals in one signal
c) Combining several signals in one channel
d) Combining several channels in one signal
e) all the above
30) Old Speech Communication systems were_____________ in nature. But The Internet uses
______________ for Data Communication
a) Circuit switching, packet switching
b) Packet switching, circuit switching
c) Packet switching, packet switching
d) Circuit switching, circuit switching
e) None of the above
31) One of the below systems not belongs to the Communication Technology system family:
a) Mobile Phone
b) Satellite TV
c) Telephone Exchange
d) Personal Computer
e) None of the above
32) One of the following multifunctional device’s subsystems is not need to be subsystem of wider
system
a) Mobile telephone subsystem
b) Internet access subsystem
c) PDA subsystem
d) Both B and C
e) None of the above
33) One possible solution for recognition errors in speech-based interfacing is
_____________________
a) Digital signal processing
b) Extended reality
c) Multimodal architectures
d) All of the above
34) One way to connect a PDA to a desktop computer is by using:
a) Infrared link
b) Fiber link
c) Docking cradle
d) Both a & c
e) None of the above
35) Phonemes can be classified as:
a) Lexicon and Semantics
b) Phonology
c) Vowels and Consonants
d) All of the Above
e) None of the above
36) Phonemes can be classified as:
a) Lexicon and Semantics
b) Phonology
c) Vowels and Consonants
d) All of the Above
e) None of the Above
37) Processors that are used in PDAs are:
a) Intel type
b) Motorola type
c) Risc type
d) All of the above
e) None of the above
38) RAM is an example of --------a) Volatile memory.
b) None Volatile memory.
c) Random Access memory.
d) Both a & c.
e) Both b & c.
39) Rom is an example of:
a) Read only memory
b) Nonvolatile memory
c) Volatile memory
d) Both a and c
e) Both a and b
40) STAIR Strategy summarizes:
a) Statement, Tools, Actions, Implementation, and Review
b) Statement, Tools, Achievements, Implementation, and Review
c) Statement, Tools, Actions, Implementation, and Realization
d) Statement, Technology, Actions, Instruments, and Review
e) None of the above
41) Spectrogram is a _______________________ graph
a) Time domain
b) Frequency domain
c) Amplitude domain
d) Combination of both A, B and C
e) None of the above
42) Suppose FDMA system with 900 KHz bandwidth, each user use 45 kHz, and there is 5 kHz is
allocated as a guard band so the maximum number of user in the system can be
___________________________
a) 17
b) 18
c) 20
d) 21
e) None of the above
43) Suppose that we have a signal with amplitude = 2.5 and the frequency = 30 Hz. Then the
sinewave expression of this signal is:
a) x = 5 sin (20 π t)
b) x = 2.5 sin (30 π t)
c) x = 2.5 sin (60 π t)
d) x = 5 sin (40 π t)
e) None of the above
44) Suppose that we have a signal with amplitude = 4 and the frequency = 10 Hz. Then the
sinewave expression of this signal is:
a) x = 4 sin (20 π t)
b) x = 10 sin (8 π t)
c) x = 4 sin (10 π t)
d) x = 4 sin (200 π t)
e) None of the above
45) Suppose that we have a signal with amplitude = 6 V and the frequency = 60 Hz. Then the
sinewave expression of this signal is:
a) x = 6 sin (60 π t)
b) x = 3 sin (60 π t)
c) x = 6 sin (120 π t)
d) x = 60 sin (12 π t)
46) Suppose that we have a signal with amplitude = 7 and the frequency = 50 Hz. Then the
sinewave expression of this signal is ____________________
a) x = 14 sin (50 π t)
b) x = 7 sin (50 π t)
c) x = 50 sin (7 π t)
d) x = 7 sin (100 π t)
e) None of the above
47) Suppose that we have a signal with amplitude = 7.5 and the frequency = 80 Hz. Then the
sinewave expression of this signal is____________________________
a) x = 7.5 sin (160 π t)
b) x = 15 sin (80 π t)
c) x = 7.5 sin (80 π t)
d) x = 80 sin (15 π t)
e) None of the above
48) Suppose that we have a signal with 9 V of amplitude and 70 Hz of frequency. Then the sine wave
expression of this signal is:
a) x = 9 sin (70 π t)
b) x = 9 sin (140 π t)
c) x = 4.5 sin (70 π t)
d) x = 70 sin (18 π t)
e) None of the above
49) Tags in XML are used to:
a) Define the content of a web page
b) Control how the text is to be displayed in a web page
c) Specify the size of a web page
d) Both a and b
e) Both a and c
50) TCP packets are called _______________.
a) datagram
b) protocol
c) segments
d) None of the above
51) The __________________ attempts to explore the physical aspect of ICT systems to enable
users to manipulate them in ways that are more similar to the ways in which we interact with
one another and with the objects in the real world
a) Augmented Reality
b) Visual Reality
c) Physical Reality
d) None of the above
52) The ___________________ covers all of the media: cables, connectors and equipment, that
link computers and other elements to the repeaters, bridges and routers in the network
a) physical layer
b) transport Layer
c) network Layer
d) data Link Layer
e) None of the above
53) The Arabic language comprises ___________________________ different phonemes
a) 42
b) 28
c) 100
d) 26
e) None of the above
54) The ASR system which is trained with thousands of speech samples from thousands of
different users is called__________.
a) Speaker - dependent
b) Speaker – independent
c) Speaker – enrolment
d) None of the above
55) The ATM speech recognition system is classed as an ________________________ recognition
system
a) Continuous-speech
b) Speaker-independent
c) Speaker-dependent
d) Speaker-enrolment
e) None of the above
56) The binary equivalent of the Hexadecimal number AC2 is _____________.
a) 1001 1010 0010
b) 1010 1001 1000
c) 1010 1100 0010
d) 1000 0001 0010
57) The bridge is related to _____________________ layer
a) physical
b) data link
c) network
d) transport
e) None of the above
58) The bridge operates at _______________________ layer of the OSI model
a) physical
b) data link
c) network
d) transport
e) None of the above
59) The CSLU Toolkit is classed as an _________________recognition system
a) Continuous-speech
b) Isolated-word
c) Speaker-dependent
d) Speaker-enrolment
e) None of the above
60) The CSLU Toolkit is classed as an _________________recognition system
a) Continuous-speech
b) Speaker-dependent
c) Speaker-enrolment
d) Speaker-independent
e) None of the above
61) The denary equivalent of 11001101 is ______________.
a) 201
b) 255
c) 305
d) 205
62) The denary representation of hexadecimal number 1BC is _______________
a) 444
b) 333
c) 243
d) 3249
e) None of the above
63) The denary representation of hexadecimal number 5BE is _______________
a) 1515
b) 1470
c) 1454
d) None of the above
64) The first three formants indicate ___________________________
a) The tonal quality of the voice
b) The key characteristics for phoneme recognition
c) The extraneous noise
d) Both A and B
e) None of the above
65)
a)
b)
c)
d)
e)
The fourth and fifth formants indicate ___________________________
The key characteristics for phoneme recognition
The tonal quality of the voice
The extraneous noise
Both A and B
None of the above
Amplitude
0.4 Second
Time
66) The frequency of the previous sinewave graph is _________________
a) 50 Hz
b) 5 Hz
c) 20 Hz
d) 10 Hz
e) None of the above
67) The Gateway is related to _____________________ layer
a) physical
b) data link
c) network
d) transport
e) None of the above
68) The idea of ___________________________is to stimulate your senses in ways that give you
the impression of being immersed in an alternative reality
a) Augmented Reality
b) Visual Reality
c) Physical Reality
d) Virtual Reality
e) None of the above
69) The maximum Ethernet frame size is_______________________
a) 1518 bytes
b) 1518 bits
c) 64 bytes
d) 512 bytes
e) None of the above
70) The maximum Ethernet frame size is_______________________
a) 1518 bits
b) 64 bytes
c) 512 bytes
d) 12144 bits
e) None of the above
71) The minimum Ethernet frame size is_______________________
a) 1518 bytes
b) 64 bits
c) 64 bytes
d) 512 bytes
e) None of the above
72) The minimum range of frequency that allows 14 carriers with a carrier separation of 3khz is:
a) 13
b) 16
c) 39
d) 42
e) 45
73) The most common forms of picture compression are:
a) GIF
b) MP3
c) MPEG
d) JPEG
e) Both a & d
74) The other name for the industry-wide standard is -------a) Jure standard.
b) Closed standard.
c) De facto standard.
d) Proprietary standard.
e) International standard.
75) The other name for the proprietary standard is:
a) International standard
b) Jure standard
c) De facto standard
d) Industry – wide standard
e) Closed standard
76) The other name for the international standard is:
a) De facto standard
b) Industry – wide standard
c) Jure standard
d) Closed standard
e) Proprietary standard
77) The personal dictation software is classed as _________________ recognition system
a) Continuous-speech
b) Speaker-independent
c) Isolated-word
d) Both A and B
e) None of the above
78) The personal dictation software is classed as an ___________________________ recognition
system
a) Speaker-enrolment
b) Speaker-independent
c) Isolated-word
d) A and C
e) None of the above
79) The public switched telephone network (PSTN) is a ________________ network.
a) Connection-oriented
b) Connection-less
c) Packet-switched
d) Wireless
e) None of the above
80) The RAD Action object is equivalent to the I/O symbol in the flowchart.
a) Generic
b) Media
c) Action
d) None of the above
81) The RAD ___________________________ object is equivalent to the process symbol in the
flowchart
a) Generic
b) Media
c) Action
d) Start
82) The repeater is related to _________________ layer
a) physical
b) data link
c) network
d) transport
e) None of the above
83) The repeater operates at _______________________ layer of the OSI model.
a) physical
b) data link
c) network
d) transport
e) None of the above
84) The resonance of the vocal tract are called ___________________ and are usually referred to
as F1, F2, F3, F4, and so on
a) Formats
b) Formants
c) Phonemes
d) Frames
e) None of the above
85) The role of the Processor is to:
a) Load Data
b) Store Data
c) Manipulate Data
d) Send Data to the I/O
e) All the above
86) The Router operates at _______________________ layer of the OSI model.
a) physical
b) data link
c) network
d) transport
e) None of the above
Amplitude
30
0.004 second
Time
-30
87) The sinewave expression of previous graph is ___________________________
a) x = 30 sin (500 π t)
b) x = 30 sin (250 π t)
c) x = 60 sin (1000 π t)
d) x = 30 sin (1000 π t)
e) None of the above
Amplitude
11
0.08 second
Time
-11
88) The sinewave expression of previous graph is ___________________________
a) x = 11 sin (25 π t)
b) x = 11 sin (12.5 π t)
c) x = 11 sin (50 π t)
d) x = 22 sin (50 π t)
e) None of the above
89) The SNMP protocol is related to _______________________ layer
a) Physical
b) Data link
c) Application
d) Transport
e) None of the above
90) The term ____________ can be defined as information coded for subsequent processing,
generally by a computer.
a) Data
b) Information
c) Knowledge
d) None of the above
91) The UDP operates at_______________________
a) Presentation Layer
b) Transport Layer
c) Application Layer
d) Network Layer
e) None of the above
92) The UMTS uses the following techniques:
a) TDMA
b) FDMA
c) W-CDMA
d) PDMA
e) None of the above
93) The “V series” standard for _____________ drawn up by the ITU (International
Telecommunications Union)
a) Docking cradle
b) LCD screen
c) Buzzer
d) Modem
e) None of the above
94) What are the reasons for using low speed processors in PDAs:
a) Tasks performed by a PDA are limited and simple
b) Decreasing the cost
c) Consuming more power
d) Both a & b
e) Both b & c
95) What are the reasons for using low speed processors in PDAs :
a) Tasks performed by a PDAs are unlimited and huge
b) Decreasing the cost
c) Consuming less power
d) Both a and b
e) Both b and c
96) What is the representation of 125 in Binary?
a) 10000010
b) 01111101
c) 11001100
d) 11101111
e) 10101010
97) What is the role of the decision element in a flowchart?
a) data input/output
b) point of connection between flowcharts
c) start of a process
d) a test to perform and the alternative routes to be taken
e) None of the above
98) What is the role of an IP protocol?
a) It routes the data from its sources to its destination
b) It deals with problems caused by congestion on the network
c) It divides messages into packets
d) Both a & b
e) Both a & c
99) What is the role of TCP protocol at the receiver?
a) Re-assemble the packets.
b) Acknoweledge correctly recived packets.
c) Request retransmission of lost packets.
d) All of the above.
e) None of the above.
100) What protocol is used for transferring E-mail messages?
a) IP
b) FTP
c) Telnet
d) SMTP
e) TCP
101) What is the representation of 10101000110 in hexadecimal:
a) A6A
b) 546
c) 5F4
d) 435
e) None of the above
102) What is the representation of 128 in Binary:
a) 10000010
b) 10000000
c) 11001100
d) 11101111
e) 10101010
103) what the representation of 129 in binary:
a) 10000010
b) 10000001
c) 11001100
d) 11101111
e) 10101010
104) When adding an extra bit to the code , it will be possible to detect :
a) Only one error
b) Only two errors
c) Not any errors
d) All errors
e) All the above
105) When an email message is sent through the Internet which one of the following queries the
DNS?
a) All the MTAs
b) User Agent of the sender
c) User Agent of the receiver
d) Both User Agents
e) SMTP
106) When categorized based on how many senders and receivers there are, how many types of
communication systems do we have?
a) Two.
b) Three.
c) Four.
d) Five.
e) None of the above.
107) When categorized based on its potential use, how many types of computer systems do we
have?
a) Two
b) Three
c) Four
d) Five
e) One
108) when several messages in a code-division multiple access (CDMA) are coded, they can all be ------a) Transmitted together at different intervals of time but at the same frequency.
b) Transmitted together at exactly the same time but different frequencies.
c) Transmitted together at exactly the same time and the same frequency.
d) Transmitted together at different intervals of time and different frequencies.
e) None of the above.
109) Which compression techniques are used to decrease the size of sound files?
a) Gif
b) TIF
c) JPEG
d) MP3
e) PCX
110) Which of the following below is the proper format of an IP address?
a) 127.120.20.3.5
b) 12.13.12
c) 139.141.120.11
d) 2.12.a.39
e) a.b.3.2
111) Which of the following can be used for enhancing desktop browsing functionality in mobiles:
a) FTP
b) SMTP
c) HTML
d) XML
e) TCP/IP
112) Which of the following can be used for enhancing desktop browsing functionality in mobiles?
a) HTML.
b) Telnet.
c) TCP/IP.
d) WAP.
e) SMTP.
113) Which of the following can be used for enhancing desktop browsing functionality in mobiles?
a) FTP
b) HTML
c) TCP/IP
d) SMTP
e) GPRS
114) Which of the following graph is a three dimensional graph
a) Line spectrum
b) Time domain
c) Frequency domain
d) Spectrogram
e) None of the above
115) Which one of the following RAD objects is an equivalent to the process symbol in the
flowchart?
a)
b)
c)
d)
e)
116) Which one of the following symbols represents subroutine element in the flowchart?
a.
b.
c.
d.
e.
117) Which one of the following symbols represents an output/input process in the flowchart?
a.
b.
c.
d.
e.
118) Which one of the following symbols represents a decision element in the flowchart?
a.
b.
c.
d.
e.
119) Usability in HTC is defined as:
a) Effectiveness, efficiency and satisfaction
b) Ease of use, accessibility and satisfaction
c) Efficiency, ease of use and accessibility
d) All of the above
120) 3G cellular phone systems use _________technology.
a) CDMA
b) FDMA
c) TDMA
d) None of the above
121) 8-bit binary equivalent of denary 68 is
a) 01111111
b) 1000100
c) 10000010
d) None of the above
122) ____________________ attempts to place the user within a high-quality, three-dimensional
animated representation of the world.
a) Virtual reality
b) Augmented reality
c) Graphical User Interface
d) None of the above
123) _____________________are schemes for human interfaces that use more than one mode of
interaction.
a) Graphical User Interface
b) Multimodal architectures
c) Direct Manipulation
d) Multimedia
e) All of the above.
124) ___________________ bits from GSM time slot represent voice or other data
a) 577
b) 148
c) 114
d) 34
e) None of the above
125) __________ deals with the grammar of the language.
a) Syntax
b) Phonology
c) Semantics
d) Lexicon
126) _________________ defines the conventions for deriving the meaning of words and sentences
a) Phonology
b) Lexicon
c) Semantics
d) Syntax
e) None of the above
127) _______________________ divides the Local Area Network into separate collision domains
a) Router
b) Bridge
c) Gateway
d) Hub
e) None of the above
128) ________________________ is a graph that displays the changes in frequency and amplitude
over time
a) Line spectrum
b) Sinewave
c) Fourier analysis
d) Spectrogram
e) None of the above
129) __________ is a reading strategy based on asking and answering your own questions
a) Self Assessment technique
b) Q technique
c) Self learning technique
d) None of the above
130) _______________ is a storage element and it is part of the processor itself
a) Register
b) BIOS
c) RAM
d) ROM
e) None of the above
131) ________________________ is a type of human interface architecture that uses more than
one modality of communication between user and system
a) Speech-based interfacing
b) Graphical user interfacing
c) Multimodal interfacing
d) Command-based interfacing
e) None of the above
132) ______________is an intermediate status between the second generation and the third
generation mobile phone systems.
a) 2.5G
b) 1G
c) 3G
d) 4G
e) None of the above
133) _____________ is the basic unit which is passed around the computer, hence can represent
more information than a single bit.
a) Binary
b) Octet
c) Bit
d) Byte
134) ______________ is the most natural way to interact between human and ICT systems
a) Gesture
b) Body movement
c) Speech
d) Touch
e) None of the above
135) --------- is used to correct an error in a received digital message.
a) Hadmard code.
b) Hyper code.
c) Hybrid code.
d) Hyphen code.
e) Hamming code.
136) offers the greatest immunity against the problems of fading than other multiple-access
schemes.
a) FDMA
b) TDMA
c) CDMA
d) FDM
e) None of the above
137) __________________ RAD object can generate spoken prompts using text-to-speech (TtS),
also it recognize spoken words
a) Action
b) Media
c) Generic
d) Start
e) None of the above.
138) ___________________________ RAD object enables the application to display and remove
text panels and images, or to play sound files
a) Generic
b) Action
c) Start
d) Media
139) _________________ RAD object provides a means to execute program code directly
a) Generic
b) Action
c) Media
d) Start
e) None of the above