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MCQ's Test For ECAT Computer Science Chapter 6 Data Communication
Try The MCQ's Test For ECAT Computer Science Chapter 6 Data Communication
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Total Questions15
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Time Allowed15
ECAT Computer Science Chapter 6 Data Communication
00:00
Question # 1
ASCII 7 bit code can represent maximum
Question # 2
What layer of the OSI model does data compression?
Question # 3
People on a LAN can share.
Question # 4
A network of geographically distant computers and terminals is called a.
Question # 5
Cabling on a linear bus topology can be extended using which of the following?
Question # 6
Centralized processing but with access from terminals is known as.
Question # 7
A driver is.
Question # 8
Logical security for on-line systems is achieved primarily by ________ and authorization codes
Question # 9
Project 802 defines standards for which layers of the OSI model?
Question # 10
The type of modulation that changes the height of the signal is called.
Question # 11
_______is not component of data communication.
Question # 12
Data communication requires only a :
Question # 13
What best describes a bus topology network?
Question # 14
Now-a-day computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose?
Question # 15
Which types of data consists of words ,sentences and paragraphs
Top Scorers Of ECAT Computer Science Chapter 6 Data Communication MCQ`s Test
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H Husain Abbas 20 - Dec - 2024 00 Min 30 Sec 60/60 -
T Tasser Haider 28 - May - 2024 01 Min 07 Sec 60/60 -
R RONIN 06 - Jul - 2024 01 Min 15 Sec 60/60 -
U Usman Asif 25 - May - 2024 01 Min 16 Sec 60/60 -
A Abdullah Baloch 06 - Aug - 2024 01 Min 18 Sec 60/60 -
A Amna Naz 16 - Nov - 2024 01 Min 21 Sec 60/60 -
A Alinza Waseem 04 - Jun - 2024 02 Min 19 Sec 60/60 -
M Muhammad Saeed anwar 03 - Jun - 2024 04 Min 49 Sec 60/60 -
N Nosheen Shahzadi 24 - Mar - 2024 06 Min 16 Sec 60/60 -
A ali moid 19 - Jul - 2024 01 Min 12 Sec 55/60 -
A Asad watto 31 - May - 2024 01 Min 16 Sec 55/60 -
N Nitalaya Hassan 31 - Dec - 2024 02 Min 13 Sec 55/60 -
S Sughra Haider 15 - Sep - 2024 07 Min 02 Sec 55/60 -
S suzi 06 - Feb - 2026 01 Min 17 Sec 52/60 -
M Manoush Fatima 02 - Jun - 2024 02 Min 35 Sec 50/60
ECAT Computer Sciences Chapter 6 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | What does the acronym ISDN stand for? |
A. International Services Data Network
B. Intelligent Services Digital Network
C. Integrated Services Digital Network
D. Interactive Services Digital Network
|
| 2 | ASCII 8 bit code can represent maximum |
A. 256 character
B. 128 character
C. 64 character
D. 65536 character
|
| 3 | The signals produced by a computer or terminal to be sent over phone lines must be converted to. |
A. modems
B. analog signals
C. digital signals
D. microwave
|
| 4 | Who invented the modem? |
A. IBM
B. DEC
C. AT&T information System, USA
D. Apple computers Inc
|
| 5 | A device that receives messages is called: |
A. Transmitter
B. Receiver
C. Source
D. Sender
|
| 6 | A computer based system in which a telephone message is recorded in digital form and then forwarded to others is |
A. a teleconferencing
B. voice mail
C. a bulletin board
D. telecommuting
|
| 7 | Centralized processing but with access from terminals is known as. |
A. DDP
B. a ring network
C. telecommuting
D. a teleprocessing system
|
| 8 | A driver is. |
A. hardware
B. a peripheral device
C. a card
D. software
|
| 9 | Which of the following does not provide a graphical user interface. |
A. OS/2
B. MS-DOS
C. Macintosh
D. Windows NT Workstation
|
| 10 | The type of modulation that changes the height of the signal is called. |
A. frequency
B. phase
C. amplitude
D. prephase
|
Test Questions