Barister PC Aptitude Test
This test is to ensure that you are knowledgeable before allowing you to accept service calls from Barrister Global Services.
Questions and Answers
- 1.
The contents of these chips are lost when the computer is switched off?
- A.
ROM chip
- B.
RAM chip
- C.
DRAM chip
Correct Answer
B. RAM chipExplanation
RAM stands for Random Access Memory, which is a type of computer memory that is volatile, meaning its contents are lost when the computer is switched off. This is in contrast to ROM (Read-Only Memory), which retains its contents even when power is turned off. DRAM (Dynamic Random Access Memory) is a specific type of RAM that stores each bit of data in a separate capacitor within an integrated circuit, and like other RAM chips, its contents are lost when power is disconnected.Rate this question:
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- 2.
Which bus carries information between processors and peripherals?
- A.
Data Bus
- B.
Auto Bus
- C.
Address Bus
Correct Answer
A. Data BusExplanation
The data bus carries information between processors and peripherals. It is responsible for transferring data, such as commands, instructions, and data values, between different components of a computer system. This allows the processor to communicate with peripherals, such as input/output devices and memory, by sending and receiving data through the data bus. The data bus is a critical component for the overall functioning of a computer system as it enables efficient and effective communication between different parts of the system.Rate this question:
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- 3.
When describing a CPU, what does "45 nm" refer to?
- A.
The energy wavelength that powers it
- B.
The manufacturing process used to produce it
- C.
The thickness of the silicon that the processor came from
- D.
The factory in New Mexico where the processor was made
Correct Answer
B. The manufacturing process used to produce itExplanation
"45 nm" refers to the manufacturing process used to produce the CPU. The term "nm" stands for nanometers, which is a unit of measurement used to describe the size of transistors and other components on a microchip. In this case, "45 nm" indicates that the transistors on the CPU are approximately 45 nanometers in size. This measurement is important because it determines the efficiency, speed, and power consumption of the processor. Smaller nanometer sizes generally result in faster and more efficient CPUs.Rate this question:
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- 4.
What is the bus clock speed of PC8500 DDR2 SDRAM?
- A.
8500 Mhz
- B.
300 Mhz
- C.
533 Mhz
- D.
1000 Hz
- E.
1066 Mhz
Correct Answer
C. 533 MhzExplanation
PC8500 has a 533 Mhz bus clock speed and a 1066 Mhz transfer rate.Rate this question:
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- 5.
What type of cable, at a minimum, must be used for Gigabit ethernet?
- A.
Cat 3
- B.
Cat 4e
- C.
Cat 5
- D.
Cat 6.5a
Correct Answer
C. Cat 5Explanation
Cat 5 cable is the minimum requirement for Gigabit Ethernet because it is capable of transmitting data at speeds up to 1000 Mbps. Cat 3 and Cat 4e cables are not suitable for Gigabit Ethernet as they have lower data transfer capabilities. Cat 6.5a cable does not exist, so it cannot be used for Gigabit Ethernet.Rate this question:
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- 6.
How many pins does a PCIe power connector have?
- A.
4
- B.
12
- C.
20
- D.
245
- E.
6
Correct Answer
E. 6Explanation
A PCIe power connector typically has 6 pins. This connector is used to provide additional power to graphics cards and other high-performance components in a computer. The 6 pins allow for a sufficient amount of power to be delivered to the device, ensuring stable and reliable operation.Rate this question:
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- 7.
What is the advantage of using LCD monitors instead of CRT monitors?
- A.
Takes up less space
- B.
Lighter
- C.
Less power consumption
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The advantage of using LCD monitors instead of CRT monitors is that they take up less space, are lighter, and have less power consumption. LCD monitors are thinner and more compact, allowing for more desk space. They are also lighter, making them easier to move and transport. Additionally, LCD monitors require less power to operate compared to CRT monitors, resulting in lower energy consumption and cost savings. Therefore, the correct answer is "All of the above."Rate this question:
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- 8.
Which of the following is most likely to interfere with a home wireless netowrk (WLAN)?
- A.
TV Remote
- B.
Cordless Phone
- C.
Walkie Talkies
- D.
Microwave
Correct Answer
B. Cordless PhoneExplanation
A cordless phone is most likely to interfere with a home wireless network (WLAN). Cordless phones operate on similar frequencies as Wi-Fi networks, typically in the 2.4 GHz range. This can cause interference and result in a weaker or slower Wi-Fi signal. The proximity of the cordless phone to the Wi-Fi router can also impact the strength of the signal. Therefore, if a cordless phone is being used in close proximity to the Wi-Fi router, it is likely to interfere with the home wireless network.Rate this question:
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- 9.
What do the data send/receive lights on a cable or dsl modem indicate?
- A.
The reception and distribution to and from your ISP
- B.
The reception and distribution to the nearest tower
- C.
How much data is being transmitted to your computer
Correct Answer
A. The reception and distribution to and from your ISPExplanation
The data send/receive lights on a cable or DSL modem indicate the reception and distribution of data to and from your ISP. These lights provide a visual representation of the data flow between your modem and the internet service provider. The lights will blink or stay solid depending on the amount of data being transmitted or received, giving you an indication of the network activity.Rate this question:
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- 10.
Terms like SLI and CrossFire refer to which computer component?
- A.
Monitor
- B.
Video Card
- C.
Memory
- D.
CPU
- E.
Keyboard
Correct Answer
B. Video CardExplanation
SLI (Scalable Link Interface) and CrossFire are technologies used for combining multiple graphics cards in a computer system to improve graphical performance. These technologies allow two or more video cards to work together, sharing the workload and increasing the overall rendering power. Therefore, the correct answer is Video Card, as SLI and CrossFire are specifically related to this computer component.Rate this question:
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- 11.
What does ACPI stand for?
- A.
Advanced Configuration and Power Interface
- B.
Alternate Control Processing Interface
- C.
Anti Control Power Interface
Correct Answer
A. Advanced Configuration and Power InterfaceExplanation
ACPI stands for Advanced Configuration and Power Interface. This is a standard for communication between the operating system and the computer's hardware, specifically related to power management and configuration. ACPI allows the operating system to control power usage and configure hardware settings, such as sleep mode and battery management. It provides a more efficient and standardized way of managing power resources in modern computers.Rate this question:
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- 12.
What is bareboning a system?
- A.
Removing all components and cabling to the minimum of which a computer can be tested for functionality
- B.
Opening the computer case and removing components that may cause damage to the other components
- C.
Removing the CD drive and the hard Drive so the unit errors out
Correct Answer
A. Removing all components and cabling to the minimum of which a computer can be tested for functionalityExplanation
Bareboning a system refers to the process of removing all unnecessary components and cables from a computer, leaving only the essential components required for testing its functionality. This is done to simplify troubleshooting and identify any potential issues with the system. By removing non-essential components, such as extra drives or peripherals, the focus is solely on the core components to determine if they are functioning properly.Rate this question:
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- 13.
What does RAM stand for?
- A.
Random Access Memory
- B.
Ramdom Accelerator Module
- C.
Random Access Module
- D.
None of the above
Correct Answer
A. Random Access MemoryExplanation
RAM stands for Random Access Memory. This is a type of computer memory that allows data to be read from and written to in any order, regardless of the physical location of the data. It is volatile memory, meaning that its contents are lost when the power is turned off or when the computer is restarted. RAM is an essential component of a computer system as it provides fast and temporary storage for data and instructions that are actively being used by the CPU.Rate this question:
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- 14.
The power supply supplies power to the drives, certain expansion cards and _________?
- A.
CPU
- B.
Memory
- C.
Motherboard
- D.
BIOS
Correct Answer
C. MotherboardExplanation
The power supply supplies power to the drives, certain expansion cards, and the motherboard. The motherboard is the main circuit board in a computer system, and it connects all the components together, allowing them to communicate and function properly. Therefore, it requires power from the power supply to operate effectively.Rate this question:
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- 15.
Most motherboards have how many IDE connectors?
- A.
1
- B.
2
- C.
3
- D.
4
- E.
None
Correct Answer
B. 2Explanation
Most motherboards have two IDE connectors. IDE (Integrated Drive Electronics) connectors are used to connect devices such as hard drives and optical drives to the motherboard. Having two connectors allows for the connection of multiple IDE devices, such as two hard drives or a hard drive and an optical drive.Rate this question:
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- 16.
The BIOS is used to do what?
- A.
Transfer data between the motherboard and the drives
- B.
Allow the PC's components to communicate
- C.
Set the time of your PC
- D.
Set up the computers hardware
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
The BIOS, or Basic Input/Output System, is a firmware that is responsible for initializing and testing hardware components during the boot process. It allows the PC's components to communicate with each other and with the operating system. It also facilitates the transfer of data between the motherboard and the drives. Additionally, the BIOS is used to set the time of the PC and to configure and set up the computer's hardware. Therefore, the correct answer is "All of the above."Rate this question:
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- 17.
The AGP expansion slot connects AGP video cards to what?
- A.
Modem
- B.
Motherboard
- C.
Memory
- D.
GPU
Correct Answer
B. MotherboardExplanation
The AGP expansion slot connects AGP video cards to the motherboard. This slot is specifically designed for graphics cards and provides a high-speed connection between the graphics card and the motherboard. By connecting the video card directly to the motherboard, it allows for faster data transfer and improved graphics performance. The motherboard acts as a bridge between the video card and other components of the computer, allowing for seamless integration and communication between them.Rate this question:
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- 18.
Both sides of the DIMM are connected together at each contact point on both sides of the module.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false because both sides of the DIMM are not connected together at each contact point on both sides of the module. DIMM (Dual In-Line Memory Module) is a type of computer memory module that has separate electrical contacts on each side. This allows for greater memory capacity and faster data transfer rates. Therefore, the correct answer is false.Rate this question:
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- 19.
Motherboards with integrated audio, or sound, do not need a sound card.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Motherboards with integrated audio have built-in sound capabilities, eliminating the need for a separate sound card. This means that users can directly connect their speakers or headphones to the motherboard's audio ports and enjoy audio playback without the need for additional hardware. Therefore, the statement "Motherboards with integrated audio, or sound, do not need a sound card" is true.Rate this question:
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- 20.
You are installing a second hard disk in the computer, what should you set the jumper to?
- A.
ID 0
- B.
ID 7
- C.
Master
- D.
Slave
Correct Answer
D. SlaveExplanation
When installing a second hard disk in a computer, you should set the jumper to "Slave". This is because the jumper settings determine the role of the hard disk in the computer's configuration. The "Slave" setting designates the second hard disk as a secondary storage device, while the "Master" setting is used for the primary hard disk. By setting the jumper to "Slave", the computer will recognize the second hard disk as an additional storage device without conflicting with the primary hard disk.Rate this question:
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- 21.
Which users on a Windows XP computer have the right to load device drivers?
- A.
All Users
- B.
Administrators
- C.
Guest
- D.
Power Users
Correct Answer
B. AdministratorsExplanation
Administrators have the right to load device drivers on a Windows XP computer. Administrators have the highest level of privileges and can perform all tasks, including installing and updating device drivers. Other user groups like All Users, Guest, and Power Users do not have the necessary permissions to load device drivers.Rate this question:
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- 22.
Device settings, such as IRQ's, can be modified through which tools? (Choose all that apply)
- A.
Device manager
- B.
Resource manager
- C.
Device Control Panel (such as the network control panel)
- D.
Desktop
Correct Answer(s)
A. Device manager
C. Device Control Panel (such as the network control panel)Explanation
The device settings, such as IRQ's, can be modified through the Device Manager and the Device Control Panel (such as the network control panel). The Device Manager is a Windows tool that allows users to view and manage the hardware devices installed on their computer. It provides options to update drivers, disable or enable devices, and modify device settings. The Device Control Panel, on the other hand, is a control panel specific to the network settings of the device. It allows users to configure network adapters, TCP/IP settings, and other network-related options. Both these tools provide access to modify device settings, including IRQ's.Rate this question:
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- 23.
What does ESD stand for?
- A.
Electronic Static Discharge
- B.
Electro Static Disruptance
- C.
Electric Synthetic Distribution
- D.
None of the above
Correct Answer
A. Electronic Static DischargeExplanation
ESD stands for Electronic Static Discharge. This refers to the sudden flow of electricity between two objects with different electrical potentials. It occurs when there is a buildup of static electricity on one object and it comes into contact with another object, causing a rapid transfer of electrons. ESD can damage electronic components and devices, which is why precautions such as grounding and anti-static measures are taken to prevent it.Rate this question:
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- 24.
The computer constantly prompts for the date and time. What does this indicate?
- A.
The date and time are wrong
- B.
The time has fallen back by one hour
- C.
The battery on the motherboard has lost its charge
- D.
The time has jumped ahead by one hour
Correct Answer
C. The battery on the motherboard has lost its chargeExplanation
The computer constantly prompting for the date and time indicates that the battery on the motherboard has lost its charge. The motherboard battery is responsible for maintaining the system's clock and date settings when the computer is turned off or unplugged. When the battery loses its charge, the computer is unable to retain the correct date and time information, leading to constant prompts for these settings.Rate this question:
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- 25.
What components can be tested by BIOS self tests? (select all that apply)
- A.
Memory
- B.
Graphic Card
- C.
Hard Drive
- D.
CD Drive
- E.
CPU
Correct Answer(s)
A. Memory
C. Hard DriveExplanation
BIOS self tests can test the memory and hard drive components. The BIOS (Basic Input/Output System) is responsible for initializing and testing the hardware components of a computer during the boot process. It performs a series of self tests to ensure that the hardware is functioning properly. Memory and hard drive are essential components of a computer, and it is important to ensure their proper functioning. Therefore, the BIOS self tests can check these components for any issues or errors. The graphic card, CD drive, and CPU are not mentioned as components that can be tested by BIOS self tests.Rate this question:
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- 26.
Which of the following does not improve computer air-flow?
- A.
Keeping a unit free of dust
- B.
Placing the unit in a cabinet
- C.
Adding exhaust fans
- D.
Leaving spaces between devices
Correct Answer
B. Placing the unit in a cabinetExplanation
Placing the unit in a cabinet does not improve computer airflow because cabinets restrict the flow of air and can cause the computer to overheat.Rate this question:
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- 27.
A modem can give the appearance of a video issue with a computer?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
A modem can give the appearance of a video issue with a computer because a modem is responsible for connecting a computer to the internet. If there is a problem with the modem, it can affect the computer's ability to access and display online content, including videos. This can manifest as video playback issues, such as buffering, freezing, or poor quality. Therefore, a malfunctioning modem can indeed give the appearance of a video issue with a computer.Rate this question:
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- 28.
If a unit will not boot from CD, what may be wrong?
- A.
The CD is scratched
- B.
The boot order is set incorrectly
- C.
The CD drive is bad
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
All of the above options could potentially be the reason why a unit will not boot from CD. If the CD is scratched, it may not be readable by the CD drive, preventing the unit from booting. If the boot order is set incorrectly, the unit may not be attempting to boot from the CD drive. Lastly, if the CD drive itself is faulty or not functioning properly, it may not be able to read the CD and initiate the boot process. Therefore, all of these factors can contribute to the unit's inability to boot from CD.Rate this question:
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- 29.
What does clicking coming from a computer case indicate?
- A.
A bad system fan
- B.
A virus
- C.
A bad hard drive
- D.
A critter is in the computer case
Correct Answer
C. A bad hard driveExplanation
Clicking coming from a computer case typically indicates a bad hard drive. When a hard drive starts making clicking noises, it is often a sign of mechanical failure or damage to the internal components. This can lead to data loss and the inability to access files stored on the hard drive. It is important to back up data and replace the faulty hard drive as soon as possible to prevent further damage and potential data loss.Rate this question:
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- 30.
Which is correct from smallest to largest memory size?
- A.
Gigabyte, Byte, Megabyte, Kilobyte, Bit
- B.
Byte, Megabyte, Kilobyte, Bit, Gigabyte
- C.
Bit, Byte, Megabyte, Kilobyte, Gigabyte
- D.
Bit, Byte, Kilobyte, Megabyte, Gigabyte
Correct Answer
D. Bit, Byte, Kilobyte, Megabyte, GigabyteExplanation
The correct answer is "Bit, Byte, Kilobyte, Megabyte, Gigabyte." This is the correct order from smallest to largest memory size. A bit is the smallest unit of memory, followed by a byte, which is made up of 8 bits. A kilobyte is equal to 1024 bytes, a megabyte is equal to 1024 kilobytes, and a gigabyte is equal to 1024 megabytes. Therefore, the memory sizes increase from bit to byte to kilobyte to megabyte to gigabyte.Rate this question:
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- 31.
Which of the following are all peripherals?
- A.
Printers, cameras, external hard drive, motherboard
- B.
Printers cameras, external hard drive, telephone
- C.
Keyboard, printers, cameras, external hard drive, scanner
- D.
Motherboard, cpu, printer, camera, graphics card
Correct Answer
C. Keyboard, printers, cameras, external hard drive, scannerExplanation
The answer "keyboard, printers, cameras, external hard drive, scanner" is correct because all of these devices are considered peripherals. Peripherals are external devices that connect to a computer and provide input, output, or storage capabilities. In this case, the keyboard, printers, cameras, external hard drive, and scanner are all examples of peripherals that can be connected to a computer to enhance its functionality.Rate this question:
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Current Version
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Mar 15, 2023Quiz Edited by
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Sep 09, 2010Quiz Created by
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