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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
Logical security for on-line systems is achieved primarily by ________ and authorization codes
Question # 2
The transfer if encoded information from one location to another by a communication channel is called
Question # 3
The Height of wave within a given period of time is called :
Question # 4
What best describes a bus topology network?
Question # 5
Terminal is a.
Question # 6
The information that is to be transferred from one location to another is called:
Question # 7
BIT stands for:
Question # 8
A device that connects multiple nodes to the network is.
Question # 9
Microwave transmission, coaxial cables, and fiber optics are examples of.
Question # 10
In the networking environment a network adapter card driver is needed for.
Question # 11
What layer of the OSI model does data compression?
Question # 12
A connection for similar networks.
Question # 13
_________Coding schemes use 4 bit code
Question # 14
Communication between a computer and a keyboard involves
Question # 15
The _____________ is the physical path over which the message travels :
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 | Logical security for on-line systems is achieved primarily by ________ and authorization codes |
A. MIS
B. Passwords
C. Tactical
D. None of the above
|
| 2 | 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
|
| 3 | ASCII 8 bit code can represent maximum |
A. 256 character
B. 128 character
C. 64 character
D. 65536 character
|
| 4 | Who invented the modem? |
A. IBM
B. DEC
C. AT&T information System, USA
D. Apple computers Inc
|
| 5 | Project 802 defines standards for which layers of the OSI model? |
A. Application and Presentation layers
B. Physical an Date Link layers
C. Transport and Network layers
D. Network and Data Link layers
|
| 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 | A device that receives messages is called: |
A. Transmitter
B. Receiver
C. Source
D. Sender
|
| 8 | _________Coding schemes use 4 bit code |
A. Unicode
B. ASCII
C. EBCDIC
D. BCD
|
| 9 | Microwave transmission, coaxial cables, and fiber optics are examples of. |
A. modems
B. communication links
C. gateways
D. ring network
|
| 10 | People on a LAN can share. |
A. Printer
B. CD/ROM disk drive
C. modem
D. fax machine
|
Test Questions