ECAT Pre Computer Science Chapter 6 MCQ Test With Answer for Computer Science chapter 6 (Data Communication)

ECAT Computer Science Chapter 6 Data Communication Online Test

Sr. #	Questions	Answers Choice
1	In______________communication modes the data communication can take place in only one direction	Simplex Half-duplex Full-deplex None
2	How many types of data transmission modes are there?	2 3 4 5
3	BCD stands for	None Binary coded decimal Bit coded digit Byte coded decimal
4	___________ code systems can represent upto 65536 symbols	ASCII-7 EBCDIC ASCII-8 Unicode
5	ASCII 8 bit code can represent maximum	256 character 128 character 64 character 65536 character
6	ASCII 7 bit code can represent maximum	265 character 128 character 64 character 65536 character
7	The height of the wave is called :	Oscillation Amplitude Signal Frequency
8	The _____________ is the physical path over which the message travels :	Protocol Medium Signal All of the above
9	IBM stands for	International Business Machine International Binary Machine Internal Business Machine International Business Microsoft
10	___________coding scheme is used by IBM	Unicode ASCII EBCDIC BCD
11	_________Coding schemes use 4 bit code	Unicode ASCII EBCDIC BCD
12	The music and speech represent the:	Image Data Audio Data Video Data Text Data
13	The charts, graphs and pictures are examples of:	Image Audio Video Text
14	Which types of data consists of words ,sentences and paragraphs	Text Image Numeric Video
15	The Height of wave within a given period of time is called :	Amplitude Oscillation Frequency Pulses