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Hassan
1.Which type of data consists of words, sentences, and paragraphs?
A. Text
B. Image
C. Numeric
D. Text
2.The charts, graphs and pictures are examples of choose which one is correct?
A. Image
B. Audio
C. Video
D. Image
3.The music and speech represent the choose which one is correct?
A. Image data
B. Audio data
C. Video data
D. Image data
4.data type represents actions and movements choose which one is correct?
A. Image data
B. Audio data
C. Video data
D. Image data
5.coding schemes uses 4 bit code choose which one is correct?
A. Unicode
B. ASCII
C. EBCDIC
D. Unicode
6.coding schemes is used by IBM choose which one is correct?
A. Unicode
B. ASCII
C. EBCDIC
D. Unicode
7.IBM stands for choose which one is correct?
A. International Business Machine
B. International Binary Machine
C. Internet Business Machine
D. International Business Machine
8.The is the physical path over which the message travels choose which one is correct?
A. Protocol
B. Medium
C. Single
D. Protocol
9.The height of the wave is called choose which one is correct?
A. Oscillation
B. Amplitude
C. Signal
D. Oscillation
10.ASCII 7-bit code can represent maximum choose which one is correct?
A. 256 characters
B. 128 characters
C. 64 characters
D. 256 characters
11.ASCII 8-bit code can represent maximum choose which one is correct?
A. 256 characters
B. 128 characters
C. 64 characters
D. 256 characters
12.code systems can represent up to 65536 symbols choose which one is correct?
A. ASCII-7
B. EBCDIC
C. ASCII-8
D. ASCII-7
13.coding schemes uses 16-bit code to represent a symbol?
A. BCD
B. EBCDIC
C. ASCII
D. BCD
14.BCD stands for choose which one is correct?
A. Bit Coded Digit
B. Byte Coded Decimal
C. Binary Coded Decimal
D. Bit Coded Digit
15.How many types of data transmission modes?
A. 2
B. 3
C. 4
D. 2
16.In � � communication modes the data communication can take place in only one direction?
A. Simplex
B. Half-duplex
C. Full-duplex
D. Simplex
17.Internet surfing or browsing is an example of choose which one is correct?
A. Simplex
B. Half-duplex
C. Full-duplex
D. Simplex
18.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
19.Which of the following has a 4-bit coding scheme?
A. BCD
B. EBCDIC
C. ASCII
D. BCD
20.ASCII is ___bit coding scheme.
A. 18
B. 16
C. 7
D. 18
21.is the fastest communication mode choose which one is correct?
A. Simplex
B. Half-duplex
C. Full-duplex
D. Simplex
22.In� communication modes the multiplexer devices are used choose which one is correct?
A. Simplex
B. Half-duplex
C. Full-duplex
D. Simplex
23.device uses the parallel transmission choose which one is correct?
A. Mouse
B. Keyboard
C. Printer
D. Mouse
24.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
25.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
26.An asynchronous line that is idle is identified with a value choose which one is correct?
A. 0
B. 1
C. 23300
D. 0
27.Data is transmitted block-by-block in choose which one is correct?
A. Digital transmission
B. Analog transmission
C. Synchronous transmission
D. Digital transmission
28.Which technique uses modulation?
A. Baseband
B. Broadband
C. Bandwidth
D. Baseband
29.Which technique does not use modulation?
A. Baseband
B. Broadband
C. Bandwidth
D. Baseband
30.ASCII-7 can represent maximum characters
A. 65536
B. 256
C. 16
D. 65536
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