Please keep at least one language enabled. || కనీసం ఒక భాషను ఎంచుకోండి.
Question 1
ప్రశ్న 1
Which component is primarily responsible for processing graphical data and generating images for display on a monitor?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Graphics Processing Unit processes graphical information and helps generate the images displayed on a monitor.
• A GPU may be integrated into a processor or system design, or provided on a discrete graphics card.
• Network, storage and audio controllers perform different specialized functions.
• A GPU may be integrated into a processor or system design, or provided on a discrete graphics card.
• Network, storage and audio controllers perform different specialized functions.
వివరణ:
Question 2
ప్రశ్న 2
A monitor is configured to display 1920 × 1080. What do these numbers primarily represent?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Display resolution is commonly expressed as the number of pixels horizontally by the number vertically.
• A 1920 × 1080 display therefore contains 1920 pixel positions across and 1080 vertically.
• Resolution does not directly specify physical screen dimensions or refresh frequency.
• A 1920 × 1080 display therefore contains 1920 pixel positions across and 1080 vertically.
• Resolution does not directly specify physical screen dimensions or refresh frequency.
వివరణ:
Question 3
ప్రశ్న 3
A desktop computer requires high graphics performance for image processing and has an available PCI Express x16 slot. Which hardware addition is generally the most appropriate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A discrete graphics card provides dedicated graphics-processing hardware and is commonly installed in a PCI Express x16 slot.
• It can provide greater graphics capability than basic integrated graphics, depending on the hardware involved.
• Sound, storage and network cards do not perform the primary graphical-processing role.
• It can provide greater graphics capability than basic integrated graphics, depending on the hardware involved.
• Sound, storage and network cards do not perform the primary graphical-processing role.
వివరణ:
Question 4
ప్రశ్న 4
Which statement correctly distinguishes integrated graphics from a discrete graphics card?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Integrated graphics functionality is incorporated into the processor or system platform rather than installed as a separate graphics expansion card.
• A discrete card has its own graphics processor and commonly includes dedicated video memory.
• Actual performance depends on the specific hardware and cannot be determined solely from the integrated or discrete label.
• A discrete card has its own graphics processor and commonly includes dedicated video memory.
• Actual performance depends on the specific hardware and cannot be determined solely from the integrated or discrete label.
వివరణ:
Question 5
ప్రశ్న 5
Which monitor characteristic specifies how many times per second the displayed image can be refreshed?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Refresh rate describes how frequently a display updates its image each second.
• It is normally measured in hertz, such as 60 Hz or 120 Hz.
• Resolution instead specifies the number of pixels used to form the displayed image.
• It is normally measured in hertz, such as 60 Hz or 120 Hz.
• Resolution instead specifies the number of pixels used to form the displayed image.
వివరణ:
Question 6
ప్రశ్న 6
A monitor operates at a refresh rate of 60 Hz. What does this specification indicate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Hertz is a unit of frequency representing cycles per second.
• A 60 Hz display refresh rate therefore represents up to 60 display refresh cycles per second under that operating mode.
• It does not specify pixel count, resolution or graphics-memory capacity.
• A 60 Hz display refresh rate therefore represents up to 60 display refresh cycles per second under that operating mode.
• It does not specify pixel count, resolution or graphics-memory capacity.
వివరణ:
Question 7
ప్రశ్న 7
Which display interface among the following is traditionally associated with analog video transmission?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• VGA is a traditional analog video interface widely used on older computers and monitors.
• HDMI and DisplayPort are digital display interfaces.
• This analog-versus-digital distinction is important when identifying compatible display connections.
• HDMI and DisplayPort are digital display interfaces.
• This analog-versus-digital distinction is important when identifying compatible display connections.
వివరణ:
Question 8
ప్రశ్న 8
Which interface commonly carries both digital video and digital audio through a single cable and is widely used with monitors and televisions?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• HDMI is a digital multimedia interface designed to carry digital video and audio.
• It is widely used with computers, monitors, televisions and other multimedia equipment.
• VGA is principally an analog video interface and does not normally carry digital audio.
• It is widely used with computers, monitors, televisions and other multimedia equipment.
• VGA is principally an analog video interface and does not normally carry digital audio.
వివరణ:
Question 9
ప్రశ్న 9
Which of the following statements about DisplayPort is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• DisplayPort is a digital interface designed primarily for display connectivity.
• It can carry high-quality digital video and can also transport audio where supported.
• It is unrelated to keyboard input or motherboard power delivery.
• It can carry high-quality digital video and can also transport audio where supported.
• It is unrelated to keyboard input or motherboard power delivery.
వివరణ:
Question 10
ప్రశ్న 10
A technician connects a modern digital monitor to an older graphics adapter using a VGA connection. Which statement is most accurate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• VGA is fundamentally an analog video interface.
• The graphics adapter generates the display output, while the interface merely transports the video signal.
• Using VGA does not increase the monitor's native pixel count or provide additional graphics-processing hardware.
• The graphics adapter generates the display output, while the interface merely transports the video signal.
• Using VGA does not increase the monitor's native pixel count or provide additional graphics-processing hardware.
వివరణ:
Question 11
ప్రశ్న 11
The smallest individual picture element that makes up a digital display image is called a:
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A pixel is the basic picture element used to construct a digital display image.
• Display resolution specifies how many such pixel positions exist horizontally and vertically.
• Sectors and tracks are storage-related terms rather than display-image elements.
• Display resolution specifies how many such pixel positions exist horizontally and vertically.
• Sectors and tracks are storage-related terms rather than display-image elements.
వివరణ:
Question 12
ప్రశ్న 12
A monitor has a native resolution of 2560 × 1440. Why does operating an LCD-type display at its native resolution generally produce the sharpest image?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A flat-panel display has a fixed physical pixel matrix that defines its native resolution.
• Operating at that resolution allows the image to map directly to the physical pixel grid with minimal scaling.
• Non-native resolutions may require interpolation or scaling, which can reduce apparent sharpness.
• Operating at that resolution allows the image to map directly to the physical pixel grid with minimal scaling.
• Non-native resolutions may require interpolation or scaling, which can reduce apparent sharpness.
వివరణ:
Question 13
ప్రశ్న 13
Which statement best describes video memory or VRAM on a discrete graphics card?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Dedicated graphics cards commonly contain video memory used by the GPU during graphics processing.
• This memory can hold frame buffers, textures and other graphical data required for rendering.
• It does not replace system storage or serve primarily as keyboard-input memory.
• This memory can hold frame buffers, textures and other graphical data required for rendering.
• It does not replace system storage or serve primarily as keyboard-input memory.
వివరణ:
Question 14
ప్రశ్న 14
A PC powers on normally, POST completes, but the monitor reports 'No Signal' immediately after a graphics card was replaced. Which should be checked first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The symptom appeared immediately after the graphics hardware was changed, so the new graphics path should be examined first.
• The card should be fully seated and properly powered, and the display cable should be connected to the intended output with the monitor on the matching input source.
• Storage capacity and printer settings do not directly explain a firmware-stage no-signal condition.
• The card should be fully seated and properly powered, and the display cable should be connected to the intended output with the monitor on the matching input source.
• Storage capacity and printer settings do not directly explain a firmware-stage no-signal condition.
వివరణ:
Question 15
ప్రశ్న 15
Which monitor specification primarily describes the proportional relationship between the screen's width and height?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Aspect ratio expresses the proportional relationship between display width and height, such as 16:9.
• Resolution specifies pixel dimensions, while refresh rate specifies updates per second.
• Aspect ratio and resolution are related display concepts but are not the same measurement.
• Resolution specifies pixel dimensions, while refresh rate specifies updates per second.
• Aspect ratio and resolution are related display concepts but are not the same measurement.
వివరణ:
Question 16
ప్రశ్న 16
Consider the following statements:
1. Resolution indicates the number of pixels used to form an image.
2. Refresh rate is measured in hertz.
3. HDMI is a digital multimedia interface.
4. VGA is primarily a digital-only interface.
Which statements are correct?
1. Resolution indicates the number of pixels used to form an image.
2. Refresh rate is measured in hertz.
3. HDMI is a digital multimedia interface.
4. VGA is primarily a digital-only interface.
Which statements are correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Statements 1 and 2 correctly describe resolution and refresh rate.
• HDMI is a digital audio/video interface, so Statement 3 is correct.
• VGA is traditionally an analog video interface, making Statement 4 incorrect.
• HDMI is a digital audio/video interface, so Statement 3 is correct.
• VGA is traditionally an analog video interface, making Statement 4 incorrect.
వివరణ:
Question 17
ప్రశ్న 17
A graphics adapter is functioning, but after changing to an unsupported display mode the monitor becomes blank. Which action is generally appropriate during troubleshooting?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A monitor can display only video modes that fall within its supported resolution and refresh-rate capabilities.
• Returning to a supported display mode can restore normal output when an incompatible mode caused the problem.
• CPU, storage and RAM replacement should not precede correction of the known display-configuration change.
• Returning to a supported display mode can restore normal output when an incompatible mode caused the problem.
• CPU, storage and RAM replacement should not precede correction of the known display-configuration change.
వివరణ:
Question 18
ప్రశ్న 18
A graphics card provides HDMI, DisplayPort and DVI outputs. What is their common primary purpose in this context?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• HDMI, DisplayPort and DVI are display interfaces used to transfer video output from a graphics subsystem to compatible displays.
• Their capabilities differ, but all can serve as monitor/display connections.
• They are unrelated to CPU power, SATA storage or RAM installation.
• Their capabilities differ, but all can serve as monitor/display connections.
• They are unrelated to CPU power, SATA storage or RAM installation.
వివరణ:
Question 19
ప్రశ్న 19
Which statement most accurately describes the relationship between a graphics driver and a graphics adapter?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A graphics driver provides the software interface needed for the operating system to control and use graphics hardware.
• A correct driver can enable supported resolutions, acceleration and other hardware capabilities.
• It is software and cannot alter the physical pixel structure of a monitor.
• A correct driver can enable supported resolutions, acceleration and other hardware capabilities.
• It is software and cannot alter the physical pixel structure of a monitor.
వివరణ:
Question 20
ప్రశ్న 20
Match List I with List II:
List I
(a) Resolution
(b) Refresh rate
(c) VGA
(d) HDMI
List II
1. Digital audio/video interface
2. Number of pixels forming the display image
3. Traditional analog video interface
4. Number of display refreshes per second
Choose the correct matching code.
List I
(a) Resolution
(b) Refresh rate
(c) VGA
(d) HDMI
List II
1. Digital audio/video interface
2. Number of pixels forming the display image
3. Traditional analog video interface
4. Number of display refreshes per second
Choose the correct matching code.
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Resolution specifies the pixel dimensions of the displayed image, giving (a)-2.
• Refresh rate indicates display updates per second, giving (b)-4.
• VGA is a traditional analog video interface and HDMI is a digital multimedia interface, giving (c)-3 and (d)-1.
• Refresh rate indicates display updates per second, giving (b)-4.
• VGA is a traditional analog video interface and HDMI is a digital multimedia interface, giving (c)-3 and (d)-1.
వివరణ:
Answer Key సమాధానాల పట్టిక
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Question 1 ప్రశ్న 1Answer: A. Graphics Processing Unit సమాధానం: A.
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Question 2 ప్రశ్న 2Answer: C. Number of horizontal pixels by vertical pixels సమాధానం: C.
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Question 3 ప్రశ్న 3Answer: B. Discrete graphics card సమాధానం: B.
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Question 4 ప్రశ్న 4Answer: D. Integrated graphics is built into the processor or system platform, whereas a discrete graphics card is a separate expansion component. సమాధానం: D.
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Question 5 ప్రశ్న 5Answer: B. Refresh rate సమాధానం: B.
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Question 6 ప్రశ్న 6Answer: A. The display can refresh its image 60 times per second. సమాధానం: A.
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Question 7 ప్రశ్న 7Answer: D. VGA సమాధానం: D.
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Question 8 ప్రశ్న 8Answer: A. HDMI సమాధానం: A.
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Question 9 ప్రశ్న 9Answer: B. It is a digital display interface capable of carrying video and, in supported configurations, audio. సమాధానం: B.
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Question 10 ప్రశ్న 10Answer: D. VGA provides dedicated graphics-processing capability. సమాధానం: D.
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Question 11 ప్రశ్న 11Answer: C. Track సమాధానం: C.
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Question 12 ప్రశ్న 12Answer: A. The graphics card stops processing pixels at native resolution. సమాధానం: A.
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Question 13 ప్రశ్న 13Answer: D. It provides memory used by the graphics processor for items such as image, texture and frame data. సమాధానం: D.
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Question 14 ప్రశ్న 14Answer: B. Graphics-card seating, required auxiliary power, display cable and selected monitor input సమాధానం: B.
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Question 15 ప్రశ్న 15Answer: B. Pixel clock సమాధానం: B.
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Question 16 ప్రశ్న 16Answer: C. 1, 2 and 3 only సమాధానం: C.
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Question 17 ప్రశ్న 17Answer: C. Use a supported display resolution and refresh-rate combination. సమాధానం: C.
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Question 18 ప్రశ్న 18Answer: A. Connecting the graphics subsystem to display devices సమాధానం: A.
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Question 19 ప్రశ్న 19Answer: B. The operating system uses the graphics driver to communicate with and use the features of the graphics hardware. సమాధానం: B.
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Question 20 ప్రశ్న 20Answer: D. (a)-2, (b)-4, (c)-3, (d)-1 సమాధానం: D.