Please keep at least one language enabled. || కనీసం ఒక భాషను ఎంచుకోండి.
Question 1
ప్రశ్న 1
While assembling a desktop computer, a technician must install the processor on the motherboard. Which motherboard component is specifically designed to mechanically hold the CPU and provide its electrical connection to the system?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The CPU socket provides the physical mounting position and electrical interface between the processor and the motherboard.
• DIMM slots are intended for memory modules, while PCI Express slots accommodate expansion cards.
• SATA connectors are primarily used for connecting compatible storage devices.
• DIMM slots are intended for memory modules, while PCI Express slots accommodate expansion cards.
• SATA connectors are primarily used for connecting compatible storage devices.
వివరణ:
Question 2
ప్రశ్న 2
A high-performance graphics card is to be installed in a modern desktop motherboard. Which expansion interface is normally the most appropriate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• PCI Express x16 is the standard high-bandwidth expansion interface commonly used for discrete graphics cards.
• DIMM is a memory-module interface and SATA is primarily a storage-device interface.
• PS/2 is an external interface traditionally used for keyboards and mice.
• DIMM is a memory-module interface and SATA is primarily a storage-device interface.
• PS/2 is an external interface traditionally used for keyboards and mice.
వివరణ:
Question 3
ప్రశ్న 3
Which of the following correctly describes the function of the data bus in a computer system?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The data bus carries the actual data being transferred among the CPU, memory and other components.
• The address bus identifies memory or I/O locations involved in a transfer.
• Control signals are carried separately through control-related lines rather than by the data bus itself.
• The address bus identifies memory or I/O locations involved in a transfer.
• Control signals are carried separately through control-related lines rather than by the data bus itself.
వివరణ:
Question 4
ప్రశ్న 4
A motherboard requires its main power connection from an ATX power supply. Which connector is normally used as the principal motherboard power connector in modern desktop systems?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The 24-pin ATX connector is the primary power connection between a standard ATX power supply and motherboard.
• SATA power connectors are intended mainly for storage devices.
• PCIe auxiliary power connectors are commonly used for expansion devices such as high-power graphics cards.
• SATA power connectors are intended mainly for storage devices.
• PCIe auxiliary power connectors are commonly used for expansion devices such as high-power graphics cards.
వివరణ:
Question 5
ప్రశ్న 5
Which motherboard slot is specifically intended for installing standard desktop RAM modules?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Desktop memory modules are normally installed in DIMM slots on the motherboard.
• PCIe slots are used for expansion cards, while M.2 connectors are used for certain compact storage and expansion devices.
• A CPU socket is designed for installation of the processor.
• PCIe slots are used for expansion cards, while M.2 connectors are used for certain compact storage and expansion devices.
• A CPU socket is designed for installation of the processor.
వివరణ:
Question 6
ప్రశ్న 6
A technician needs to connect a conventional 2.5-inch SATA SSD to the motherboard for data communication. Which motherboard connector should be used?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A SATA SSD uses a SATA data connection to communicate with the motherboard.
• The drive also requires a separate power connection from the power supply.
• PCIe slots, DIMM sockets and audio headers serve different purposes.
• The drive also requires a separate power connection from the power supply.
• PCIe slots, DIMM sockets and audio headers serve different purposes.
వివరణ:
Question 7
ప్రశ్న 7
Which statement about an M.2 connector on a motherboard is most appropriate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• M.2 is a compact internal expansion form factor commonly used for compatible SSDs and certain other expansion modules.
• The exact interface supported by an M.2 slot depends on motherboard design and device compatibility.
• It is not a replacement for the ATX power connector, DIMM slot or external display port.
• The exact interface supported by an M.2 slot depends on motherboard design and device compatibility.
• It is not a replacement for the ATX power connector, DIMM slot or external display port.
వివరణ:
Question 8
ప్రశ్న 8
USB, Ethernet, audio and display connectors grouped on the rear edge of a motherboard are collectively referred to as:
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The rear I/O area provides external ports through which peripherals and communication devices connect to the motherboard.
• Typical examples include USB, Ethernet, audio and display connectors where supported.
• Processor sockets and memory banks are internal motherboard components.
• Typical examples include USB, Ethernet, audio and display connectors where supported.
• Processor sockets and memory banks are internal motherboard components.
వివరణ:
Question 9
ప్రశ్న 9
A technician installs a network interface card into a free motherboard slot to provide additional Ethernet connectivity. The network interface card is best classified as a:
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• An expansion card adds functionality to a computer through an expansion slot on the motherboard.
• Network cards, sound cards and graphics cards are common examples.
• A motherboard slot provides the interface, while the installed device itself is the expansion card.
• Network cards, sound cards and graphics cards are common examples.
• A motherboard slot provides the interface, while the installed device itself is the expansion card.
వివరణ:
Question 10
ప్రశ్న 10
In the context of a parallel bus, the term 'bus width' most directly refers to:
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Bus width indicates how many bits can be transferred simultaneously over a parallel data path.
• For example, a 32-bit data bus can carry 32 data bits in parallel during a transfer operation.
• It does not describe the physical size of the motherboard or number of connected peripherals.
• For example, a 32-bit data bus can carry 32 data bits in parallel during a transfer operation.
• It does not describe the physical size of the motherboard or number of connected peripherals.
వివరణ:
Question 11
ప్రశ్న 11
Consider the following statements about PCI Express:
1. PCI Express uses point-to-point serial links.
2. PCI Express links may contain different numbers of lanes such as x1, x4, x8 and x16.
3. A higher lane count generally provides greater potential bandwidth within the same PCIe generation.
Which of the statements given above are correct?
1. PCI Express uses point-to-point serial links.
2. PCI Express links may contain different numbers of lanes such as x1, x4, x8 and x16.
3. A higher lane count generally provides greater potential bandwidth within the same PCIe generation.
Which of the statements given above are correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• PCI Express uses high-speed serial point-to-point connections rather than the shared parallel-bus design of conventional PCI.
• PCIe links are available with different lane counts such as x1, x4, x8 and x16.
• Within the same PCIe generation, increasing the number of active lanes increases the potential aggregate bandwidth.
• PCIe links are available with different lane counts such as x1, x4, x8 and x16.
• Within the same PCIe generation, increasing the number of active lanes increases the potential aggregate bandwidth.
వివరణ:
Question 12
ప్రశ్న 12
A desktop computer loses its date and time whenever it is disconnected from mains power for a long period. Which motherboard component should be checked first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The motherboard battery supplies backup power required by the real-time clock and traditionally associated firmware-setting retention circuitry when normal power is unavailable.
• A weak or exhausted battery may cause the system clock to reset after power is removed.
• Expansion slots and storage connectors do not provide this backup function.
• A weak or exhausted battery may cause the system clock to reset after power is removed.
• Expansion slots and storage connectors do not provide this backup function.
వివరణ:
Question 13
ప్రశ్న 13
The power switch, reset switch and case indicator LEDs of a desktop cabinet are normally connected to which motherboard interface?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The front-panel header provides pins for cabinet controls and indicators such as the power switch, reset switch, power LED and drive-activity LED.
• Correct pin placement is important because the individual connectors perform different functions.
• CPU, memory and PCIe interfaces are not intended for cabinet switches and indicator LEDs.
• Correct pin placement is important because the individual connectors perform different functions.
• CPU, memory and PCIe interfaces are not intended for cabinet switches and indicator LEDs.
వివరణ:
Question 14
ప్రశ్న 14
What is the primary purpose of the address bus in a computer system?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Address lines identify the location from which data is to be read or to which data is to be written.
• The actual data is transported through the data bus or corresponding data paths.
• Power delivery and external display connections are separate functions.
• The actual data is transported through the data bus or corresponding data paths.
• Power delivery and external display connections are separate functions.
వివరణ:
Question 15
ప్రశ్న 15
Which of the following is an older motherboard expansion-slot standard that was widely used for devices such as sound cards and network cards before PCI Express became dominant?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Conventional PCI was widely used for internal expansion cards before PCI Express became the dominant general-purpose expansion interface.
• DIMM is a memory-module interface and SATA is mainly associated with storage devices.
• USB is primarily an external peripheral interface rather than the conventional internal expansion slot described.
• DIMM is a memory-module interface and SATA is mainly associated with storage devices.
• USB is primarily an external peripheral interface rather than the conventional internal expansion slot described.
వివరణ:
Question 16
ప్రశ్న 16
Besides the main ATX motherboard power connector, a modern motherboard normally has a separate power connector located near the CPU socket. Its principal purpose is to:
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The ATX12V/EPS CPU power connector supplies power used by the processor's voltage-regulation circuitry.
• It is separate from the motherboard's main 24-pin ATX power connector.
• It does not carry CPU-memory data or provide the normal power connection for SATA drives.
• It is separate from the motherboard's main 24-pin ATX power connector.
• It does not carry CPU-memory data or provide the normal power connection for SATA drives.
వివరణ:
Question 17
ప్రశ్న 17
Which statement correctly distinguishes a CPU socket from an expansion slot on a motherboard?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The CPU socket provides the dedicated mechanical and electrical interface for a compatible processor.
• Expansion slots, such as PCI Express slots, allow compatible add-on cards to extend system functionality.
• Expansion interfaces normally carry data and control signals in addition to providing limited electrical power.
• Expansion slots, such as PCI Express slots, allow compatible add-on cards to extend system functionality.
• Expansion interfaces normally carry data and control signals in addition to providing limited electrical power.
వివరణ:
Question 18
ప్రశ్న 18
On a motherboard, the chipset or equivalent integrated controller logic primarily assists in:
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Motherboard controller logic manages or coordinates important communication and I/O functions among system components.
• In modern architectures, some functions historically handled by separate chipset components have moved into the processor, while the remaining chipset continues to manage significant platform I/O.
• It is an electronic control component rather than a mechanical support structure.
• In modern architectures, some functions historically handled by separate chipset components have moved into the processor, while the remaining chipset continues to manage significant platform I/O.
• It is an electronic control component rather than a mechanical support structure.
వివరణ:
Question 19
ప్రశ్న 19
Which of the following statements about USB ports is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• USB provides a standardized external interface for a wide variety of peripherals.
• Depending on the USB implementation, the connection can carry both data and electrical power.
• Processor installation and graphics-card expansion use different motherboard interfaces.
• Depending on the USB implementation, the connection can carry both data and electrical power.
• Processor installation and graphics-card expansion use different motherboard interfaces.
వివరణ:
Question 20
ప్రశ్న 20
A technician installs a graphics card into the correct motherboard slot, but the card requires substantially more electrical power than the slot alone can provide. What additional connection may be required?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• High-power graphics cards may require auxiliary PCIe power connectors from the system power supply in addition to power available through the motherboard slot.
• SATA data cables carry storage data and do not provide graphics-card power.
• Front-panel headers and DIMM interfaces do not serve as auxiliary graphics-card power connections.
• SATA data cables carry storage data and do not provide graphics-card power.
• Front-panel headers and DIMM interfaces do not serve as auxiliary graphics-card power connections.
వివరణ:
Answer Key సమాధానాల పట్టిక
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Question 1 ప్రశ్న 1Answer: B. CPU socket సమాధానం: B.
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Question 2 ప్రశ్న 2Answer: D. PCI Express x16 సమాధానం: D.
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Question 3 ప్రశ్న 3Answer: A. It carries actual data between components. సమాధానం: A.
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Question 4 ప్రశ్న 4Answer: C. 24-pin ATX power connector సమాధానం: C.
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Question 5 ప్రశ్న 5Answer: C. DIMM slot సమాధానం: C.
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Question 6 ప్రశ్న 6Answer: A. SATA data connector సమాధానం: A.
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Question 7 ప్రశ్న 7Answer: D. It can accommodate compatible compact devices such as certain SSDs, depending on motherboard support. సమాధానం: D.
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Question 8 ప్రశ్న 8Answer: B. Rear I/O ports సమాధానం: B.
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Question 9 ప్రశ్న 9Answer: A. Expansion card సమాధానం: A.
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Question 10 ప్రశ్న 10Answer: C. The number of bits that can be transferred in parallel in one bus operation సమాధానం: C.
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Question 11 ప్రశ్న 11Answer: B. 1, 2 and 3 సమాధానం: B.
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Question 12 ప్రశ్న 12Answer: D. CMOS/RTC battery సమాధానం: D.
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Question 13 ప్రశ్న 13Answer: D. Front-panel header సమాధానం: D.
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Question 14 ప్రశ్న 14Answer: A. To specify the memory or I/O location involved in a transfer సమాధానం: A.
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Question 15 ప్రశ్న 15Answer: B. PCI సమాధానం: B.
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Question 16 ప్రశ్న 16Answer: C. Supply dedicated power to the processor voltage-regulation circuitry సమాధానం: C.
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Question 17 ప్రశ్న 17Answer: A. A CPU socket is designed for a compatible processor, whereas an expansion slot is intended for compatible add-on cards. సమాధానం: A.
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Question 18 ప్రశ్న 18Answer: D. Managing communication and I/O functions among major system components సమాధానం: D.
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Question 19 ప్రశ్న 19Answer: C. They provide a standardized interface for connecting many types of external peripherals and can carry data and power. సమాధానం: C.
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Question 20 ప్రశ్న 20Answer: B. Auxiliary PCIe power connector from the power supply సమాధానం: B.