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Hassan
1.A line drawn in the background color is ?
A. Visible
B. Invisible
C. Visible or Invisible
D. Visible
2.Which devices provides positional information to the graphics system ?
A. Input devices
B. Output devices
C. Pointing devices
D. Input devices
3.The number of pixels stored in the frame buffer of a graphics system is known as ?
A. Resolution
B. Depth
C. Width
D. Resolution
4.In graphical system, the array of pixels in the picture are stored in ?
A. Memory
B. Frame buffer
C. Processor
D. Memory
5.Heat supplied to the cathode by directing a current through a coil of wire is called ?
A. Electron gun
B. Electron beam
C. Filament
D. Electron gun
6.The maximum number of points that can be displayed without overlap on a CRT is referred as ?
A. Persistence
B. Resolution
C. Picture
D. Persistence
7.Which stores the picture information as a charge distribution behind the phosphor-coated screen ?
A. Cathode ray tube
B. Flat panel displays
C. 3D viewing device
D. Cathode ray tube
8.The devices which converts the electrical energy into light is called ?
A. Liquid-crystal displays
B. Non-emitters
C. Plasma panels
D. Liquid-crystal displays
9.In which system, the Shadow mask methods are commonly used ?
A. Raster-scan system
B. Random-scan system
C. Rasterization
D. Raster-scan system
10.The process of digitizing a given picture definition into a set of pixel-intensity for storage in the frame buffer is called ?
A. Rasterization
B. Encoding
C. Scan conversion
D. Rasterization
11.Which display devices allows us to walk around an object and view it from different sides ?
A. Plasma panel display devices
B. Flat panel display devices
C. Three-dimensional devices
D. Plasma panel display devices
12.In LCD, the refresh rate of the screen is ?
A. 80 frames/sec
B. 60 frames/sec
C. 100 frames/sec
D. 80 frames/sec
13.Random-scan system mainly designed for ?
A. Fog effect
B. Realistic shaded screen
C. Line-drawing applications
D. Fog effect
14.The primary output device in a graphics system is ?
A. Printer
B. Scanner
C. Video monitor
D. Printer
15.On a black and white system with one bit per pixel, the frame buffer is commonly called as ?
A. Pix map
B. Multi map
C. Bitmap
D. Pix map
16.Aspect ratio means ?
A. Number of pixels
B. Ratio of vertical points to horizontal points
C. Ratio of horizontal points to vertical points
D. Number of pixels
17.The IETF standards documents are called ?
A. RFC
B. RCF
C. ID
D. RFC
18.In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are ?
A. Added
B. Modified
C. Rearranged
D. Added
19.The structure or format of data is called ?
A. Formatting
B. Struct
C. Semantics
D. Formatting
20.Communication between a computer and a keyboard involves transmission ?
A. Simplex
B. Full-duplex
C. Half-duplex
D. Simplex
21.The first Network was called ?
A. CNNET
B. NSFNET
C. ASAPNET
D. CNNET
22.A is the physical path over which a message travels ?
A. Route
B. Path
C. Medium
D. Route
23.Which organization has authority over interstate and international commerce in the communications field ?
A. ITU-T
B. IEEE
C. FCC
D. ITU-T
24.Which of this is not a network edge device ?
A. Smartphones
B. PC
C. Switch
D. Smartphones
25.A set of rules that governs data communication ?
A. Protocols
B. Standards
C. RFCs
D. Protocols
26.Three or more devices share a link in connection ?
A. Simplex
B. Point to point
C. Multi-point
D. Simplex
27.Which of this is not a constituent of residential telephone line ?
A. An ultra-high speed downstream channel
B. A low-speed downstream channel
C. A medium-speed downstream channel
D. An ultra-high speed downstream channel
28.DSL telcos provide which of the following services ?
A. Wired phone access and ISP
B. Network routing and ISP
C. ISP
D. Wired phone access and ISP
29.The function of DSLAM is to ?
A. De-amplify digital signals
B. Amplify digital signals
C. Convert digital signals into analog signals
D. De-amplify digital signals
30.Which of the following terms is not associated with DSL ?
A. Splitter
B. CMTS
C. CO
D. Splitter
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