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Home » Classes » Intermediate » Aptitude Test - 15
1.The number of times a wave repeats during a specific time interval is called choose which one is correct?
A. Amplitude
B. Oscillation
C. Frequency
D. Amplitude
2.The height of wave within a given period of time is called choose which one is correct?
A. Amplitude
B. Oscillation
C. Frequency
D. Amplitude
3.Which type of data consists of words, sentences, and paragraphs?
A. Text
B. Image
C. Numeric
D. Text
4.The charts, graphs and pictures are examples of choose which one is correct?
A. Image
B. Audio
C. Video
D. Image
5.The music and speech represent the choose which one is correct?
A. Image data
B. Audio data
C. Video data
D. Image data
6.data type represents actions and movements choose which one is correct?
A. Image data
B. Audio data
C. Video data
D. Image data
7.coding schemes uses 4 bit code choose which one is correct?
A. Unicode
B. ASCII
C. EBCDIC
D. Unicode
8.coding schemes is used by IBM choose which one is correct?
A. Unicode
B. ASCII
C. EBCDIC
D. Unicode
9.IBM stands for choose which one is correct?
A. International Business Machine
B. International Binary Machine
C. Internet Business Machine
D. International Business Machine
10.The is the physical path over which the message travels choose which one is correct?
A. Protocol
B. Medium
C. Single
D. Protocol
11.The height of the wave is called choose which one is correct?
A. Oscillation
B. Amplitude
C. Signal
D. Oscillation
12.ASCII 7-bit code can represent maximum choose which one is correct?
A. 256 characters
B. 128 characters
C. 64 characters
D. 256 characters
13.ASCII 8-bit code can represent maximum choose which one is correct?
A. 256 characters
B. 128 characters
C. 64 characters
D. 256 characters
14.code systems can represent up to 65536 symbols choose which one is correct?
A. ASCII-7
B. EBCDIC
C. ASCII-8
D. ASCII-7
15.coding schemes uses 16-bit code to represent a symbol?
A. BCD
B. EBCDIC
C. ASCII
D. BCD
16.BCD stands for choose which one is correct?
A. Bit Coded Digit
B. Byte Coded Decimal
C. Binary Coded Decimal
D. Bit Coded Digit
17.How many types of data transmission modes?
A. 2
B. 3
C. 4
D. 2
18.In � � communication modes the data communication can take place in only one direction?
A. Simplex
B. Half-duplex
C. Full-duplex
D. Simplex
19.Internet surfing or browsing is an example of choose which one is correct?
A. Simplex
B. Half-duplex
C. Full-duplex
D. Simplex
20.The conversation of two persons through telephone line is an example of choose which one is correct?
A. Simplex
B. Half-duplex
C. Full-duplex
D. Simplex
21.Which of the following has a 4-bit coding scheme?
A. BCD
B. EBCDIC
C. ASCII
D. BCD
22.ASCII is ___bit coding scheme.
A. 18
B. 16
C. 7
D. 18
23.is the fastest communication mode choose which one is correct?
A. Simplex
B. Half-duplex
C. Full-duplex
D. Simplex
24.In� communication modes the multiplexer devices are used choose which one is correct?
A. Simplex
B. Half-duplex
C. Full-duplex
D. Simplex
25.device uses the parallel transmission choose which one is correct?
A. Mouse
B. Keyboard
C. Printer
D. Mouse
26.Inside the computer binary data flows from one unit to another using choose which one is correct?
A. Serial mode
B. Parallel mode
C. Both a and b
D. Serial mode
27.The flow of traffic on one-lane residential street is an example of choose which one is correct?
A. Serial transmission
B. Parallel transmission
C. Both a and b
D. Serial transmission
28.An asynchronous line that is idle is identified with a value choose which one is correct?
A. 0
B. 1
C. 23300
D. 0
29.Data is transmitted block-by-block in choose which one is correct?
A. Digital transmission
B. Analog transmission
C. Synchronous transmission
D. Digital transmission
30.Which technique uses modulation?
A. Baseband
B. Broadband
C. Bandwidth
D. Baseband
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