ECAT Computer Science MCQ's Test For Full Book With Answers

ECAT Computer Science MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 The Process of automatic office tasks using computer is called Office support Office automation Data management Reprographics
2 The benefits of using computers are: Speed Reliable Storage All
3 Is an automatic programmable machine : CAD CAM CBT Robot
4 ________Is used to control all the parts of manufacturing process ATM CAD CAM MICR
5 Many products are designed by using ATM ROBOT CAD CAM
6 Computer at home can be used for : Keeping recods Making budgets Watching Movies All
7 In______________communication modes the data communication can take place in only one direction Simplex Half-duplex Full-deplex None
8 How many types of data transmission modes are there? 2 3 4 5
9 BCD stands for None Binary coded decimal Bit coded digit Byte coded decimal
10 ___________ code systems can represent upto 65536 symbols ASCII-7 EBCDIC ASCII-8 Unicode
11 ASCII 8 bit code can represent maximum 256 character 128 character 64 character 65536 character
12 ASCII 7 bit code can represent maximum 265 character 128 character 64 character 65536 character
13 The height of the wave is called : Oscillation Amplitude Signal Frequency
14 The _____________ is the physical path over which the message travels : Protocol Medium Signal All of the above
15 IBM stands for International Business Machine International Binary Machine Internal Business Machine International Business Microsoft
16 ___________coding scheme is used by IBM Unicode ASCII EBCDIC BCD
17 _________Coding schemes use 4 bit code Unicode ASCII EBCDIC BCD
18 The music and speech represent the: Image Data Audio Data Video Data Text Data
19 The charts, graphs and pictures are examples of: Image Audio Video Text
20 Which types of data consists of words ,sentences and paragraphs Text Image Numeric Video
21 The Height of wave within a given period of time is called : Amplitude Oscillation Pulses Frequency
22 The number of times a wave repeats during a specific time interval is called Amplitude Oscillation Frequency Pulses
23 Light sound and radio waves are examples of : Analog Signals Digital Signals Simple Signals None
24 Communication between a computer and a keyboard involves Simplex half-duplex Full-duplex automatic
25 BIT stands for: Binary integer Binary Digit Binary Interval None of the above
26 The electromagnetic or light waves representing data are called: Reraction Information Signals None
27 The _______ is the physical path over which a message travels. Protocol Medium Single All
28 A device that receives messages is called: Transmitter Receiver Source Sender
29 _______is not component of data communication. Medium Voltage Decoder Receiver
30 ________ is component of data communication. Sender Receiver Encoder and Decoder All
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