A+ Essentials Test Quiz -2

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When a technician upgrades firmware on a motherboard, they have to flash the Bios. This involves updating the software stored in the Basic Input/Output System (BIOS) chip on the motherboard. Flashing the BIOS typically involves downloading the latest firmware version from the manufacturer's website and using a specific software tool to overwrite the existing firmware with the new one. This process ensures that the motherboard is running the most up-to-date software, which can improve system stability, compatibility, and performance.

The correct answer is B. The VGA monitor connector is a type of video connector commonly used to connect a computer to a monitor or display. It has 15 pins arranged in three rows, with five pins in each row. The VGA connector is typically blue in color and is widely used for analog video signals. It is gradually being replaced by digital connectors such as DVI and HDMI, but is still commonly found on older computers and monitors.

The jumper settings determine the master or slave in a system that supports two IDE devices. IDE devices, such as hard drives or CD/DVD drives, have jumper pins that can be configured to set the device as either master or slave. The master device is usually connected to the end of the IDE cable and has priority over the slave device. The jumper settings allow the system to identify and assign the appropriate roles to each device, ensuring proper functioning and data transfer between them.

The correct answer is "atx." ATX is a form factor for motherboards, which refers to the physical dimensions and layout of the motherboard. It was introduced by Intel in the mid-1990s and has become the most common form factor for desktop computers. ATX motherboards typically have a rectangular shape and specific mounting hole locations, allowing them to fit into standard ATX cases. They also have standardized I/O panel locations and power supply connectors.

A female DB-15 socket with three rows of five sockets is used for a VGA/SVGA video adapter. VGA and SVGA are video standards commonly used for displaying graphics on computer monitors. The DB-15 socket is designed to transmit video signals from the computer to the monitor, and the three rows of five sockets provide the necessary connections for the various video signals. This type of socket is not used for an EGA/CGA video port, a network transceiver port, or a joystick port.

The color code used for the mouse port on a new PC that uses a mini DIN 6 Connector is green.

The technician should verify that the BIOS has been configured to detect a second hard disk drive. This is because if the BIOS is not set up to recognize the new hard disk drive, the system will not be able to detect it. By checking the BIOS settings, the technician can ensure that the computer is configured correctly and able to detect the newly installed hard disk drive.

The output from a power supply is rated in watts. Watts is a unit of power, which measures the rate at which energy is transferred or consumed. In the context of a power supply, the watt rating indicates the maximum amount of power that the supply can deliver to a device. It is important to match the wattage of the power supply with the power requirements of the device to ensure proper functioning and avoid damage.

The correct answer is D. A parallel port connector is a type of connector used to connect devices to a computer's parallel port. This type of connector is typically wider and has more pins compared to other types of connectors. It is commonly used for connecting printers, scanners, and other external devices to a computer.

A PS/2 mouse would be attached to option C.

When installing a new CPU, thermal compound is applied directly to the CPU. Thermal compound is a substance with high thermal conductivity that helps to improve the transfer of heat from the CPU to the heat sink. It fills in microscopic gaps and air pockets between the CPU and the heat sink, ensuring better contact and heat dissipation. This helps to prevent overheating and ensures optimal performance of the CPU. Cooling liquid, a heat sink, and a fan are also important components in CPU cooling, but they are not applied directly to the CPU like thermal compound.

LCD (Liquid Crystal Display) screens are known for their slim and compact design, which allows them to take up less space on a desk compared to other display types such as CRT (Cathode Ray Tube). CRT screens are bulky and require more desk space due to their large size and depth. LED (Light Emitting Diode) screens are also slim, but LCD screens are generally thinner and take up even less space. Therefore, LCD screens are the display type that takes up the least space on a desk.

When a technician upgrades the video drivers on a Windows XP computer and it fails to boot up properly, the first step should be to start the computer in Safe Mode. Safe Mode allows the computer to boot up with minimal drivers and services, which can help isolate and troubleshoot the issue. Once in Safe Mode, the technician can then roll back the video driver to the previous version. This can be done through the Device Manager or by using the System Restore feature. Reverting to the last known good configuration or running the Recovery Console may also be viable options, but starting in Safe Mode and rolling back the driver is the most straightforward solution.

When installing SCSI devices, one of the tasks that needs to be performed is assigning each SCSI device a unique ID number. This is necessary because SCSI devices are connected in a daisy-chain configuration, and each device must have a unique identifier to ensure proper communication and data transfer. By assigning a unique ID number, the system can differentiate between different SCSI devices and address them accordingly. This helps in avoiding conflicts and ensuring smooth operation of the SCSI devices.

The color-code used for the keyboard Port on a new PC that uses a mini-Din 6 Connector is Purple.

The correct answer is C. The reason why C is the correct answer is because it is commonly used to connect a game controller, such as a joystick. C could refer to a USB cable or port, which is a standard connection method for game controllers on many gaming consoles and computers.

The South Bridge component on the motherboard usually houses the IDE connectors. The South Bridge is responsible for connecting the slower peripheral devices to the motherboard, including the IDE connectors for connecting hard drives and optical drives. The IDE connectors allow for data transfer between the motherboard and these storage devices.

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The head actuator is the part of a CD-ROM drive's head assembly that moves across the disk to read it. It is responsible for positioning the read/write head accurately over the desired location on the disk surface. The head actuator moves the read/write head in a controlled manner, allowing it to access different areas of the disk to retrieve or write data.

When connecting the power cable of an "AT" power supply to the motherboard, the two wires on the power connectors (P8/P9) that should be together are the black wires. This is because the black wires are the ground wires, and connecting them ensures proper grounding and electrical continuity between the power supply and the motherboard.

IEEE 1394, also known as FireWire, is a computer standard that supports a data transfer rate of 400 Mbps and allows for connection of up to 63 devices. USB 1.1 and USB 2.0 have lower data transfer rates and Ultra SCSI 2 does not support as many devices as IEEE 1394. Therefore, IEEE 1394 is the correct answer.

After selecting the Display Properties and going to the Settings tab, the next step would be to select the Second Display option and check the Extend the Desktop checkbox. This will allow the user to enable dual monitors on their laptop by extending the desktop across both screens.

Enabling termination on the adapter is the first step to try and fix the problem because termination is necessary for proper communication between SCSI devices. Terminating the adapter ensures that the electrical signals are properly terminated at the end of the SCSI chain, preventing signal reflections and data corruption. By enabling termination on the adapter, you are ensuring that the SCSI devices are able to communicate effectively and function properly.

The AGPx8 expansion slot has a clock speed of 533 MHz. This means that data can be transferred at a rate of 533 million cycles per second. A higher clock speed allows for faster data transfer and improved performance.

A female DB-25 connector is commonly used for a parallel port. A parallel port is a type of interface that allows for the simultaneous transmission of multiple bits of data. The DB-25 connector has 25 pins, which is suitable for connecting to a parallel port. This type of port was commonly used for connecting printers, scanners, and other peripheral devices to a computer.

The correct answer is Socket 478. This socket is used for a 3.4 GHz Pentium 4 processor.

The correct answer is B and E because both B and E are commonly used keyboard connectors. B refers to the PS/2 connector, which is a round connector with six pins and is used for connecting keyboards to computers. E refers to the USB connector, which is a rectangular connector and is also used for connecting keyboards to computers. Both of these connectors are widely used and recognized in the computer industry.

RIMMs, or Rambus Inline Memory Modules, have 184 pins and are 16 bits wide. RIMMs were a type of memory module used in computers during the late 1990s and early 2000s. They were designed to work with Rambus memory technology, which offered high-speed data transfer rates. RIMMs were mainly used in high-performance systems and were eventually phased out in favor of other memory technologies like DDR and DDR2.

The correct answer is A. A serial port connector is a type of connector used to connect devices such as printers, modems, and serial mice to a computer. It is a 9-pin connector, also known as a DB-9 connector, which is commonly found on older computers. The serial port connector is used for serial communication, where data is transmitted one bit at a time.

Dual inline memory modules (DIMMs) are typically associated with 168 and 184 pins. DIMMs are used in computers to provide additional memory capacity. The number of pins on a DIMM determines its compatibility with the motherboard. The options 30, 72, and 144 are not commonly associated with DIMMs. Therefore, the correct answer is 168 and 184.

When installing an IDE device, it is important to connect the cable correctly. In this case, if the cable is not keyed, the correct approach is to locate the red stripe on the cable and connect the device with the red stripe lining up to pin #1. This ensures that the device is properly aligned with the correct pin. However, if there is no red stripe on the cable, the next step is to locate the blue stripe and connect the device with the blue stripe lining up to pin #1. This ensures that the device is connected correctly, even without a red stripe. Purchasing a new cable is not necessary unless there is a problem with the current cable.

ID 3 is the SCSI ID number generally recommended for the CD-ROM. The SCSI ID number is used to identify devices connected to a SCSI bus. In most cases, the CD-ROM is assigned the ID 3 to ensure compatibility and avoid conflicts with other SCSI devices. This allows the CD-ROM to be recognized and accessed by the computer system effectively.

An "AT" keyboard would be attached to option E.

Ultra Wide SCSI and Fast Wide SCSI are the SCSI types that allow for 16 devices, including the adapter, to be connected on a single shared cable. These SCSI types have a wider bus width, which allows for more devices to be connected and increases the data transfer rate. Ultra SCSI, Ultra 2 SCSI, and Fast SCSI do not support 16 devices on a single shared cable.

SGRAM is a type of memory module that is a specialization of DDR SDRAM and Synchronous Graphics RAM. The other options listed, EDO DRAM, VRAM, and Standard (FPM) DRAM, are not specializations of DDR SDRAM or SGRAM.

184 pin RIMMs (Rambus Inline Memory Modules) must be installed in pairs because they use a technology called Rambus that requires a high-bandwidth connection between the modules. This high-bandwidth connection is achieved by using two modules in parallel, allowing for faster data transfer rates. Installing only one module would result in reduced performance and potential compatibility issues. Therefore, 184 pin RIMMs should always be installed in pairs to ensure optimal performance.

PC100 is the correct answer because it indicates that the RAM module requires 8 ns DRAM chips, which means it can operate at a speed of 125MHz. PC66, PC133, and PC800 do not meet the requirement for 8 ns DRAM chips and are therefore not capable of operating at 125MHz.

The correct answer describes the main differences between the "baby" AT and ATX motherboards. It states that on a "baby" AT motherboard, the processor, memory, and expansion slots are all in line with each other, while on an ATX motherboard, the processor and memory slots are at right angles to the expansion cards. Additionally, it mentions that the ATX motherboard allows for the installation of more than two full-length expansion cards, whereas the "baby" AT only allows for one or two.

Serial ports are used for connecting external devices such as printers, modems, and mice to a computer. In the case of Apple Macintosh computers, they typically do not have built-in serial ports. However, in the given options, option C is the only one that mentions a serial port, suggesting that it could be the correct answer.

Ultra 2 SCSI is the correct answer because it has a transfer rate of 40 MBps and a maximum cable length of 12 meters. SCSI 2, Ultra Wide SCSI, Fast SCSI, and Ultra SCSI do not meet both criteria of having a transfer rate of 40 MBps and a maximum cable length of 12 meters.

A RIMM module supports a bandwidth of 16 bits. This means that it can transfer 16 bits of data simultaneously between the memory module and the processor. The higher the bandwidth, the faster the data can be transferred, which ultimately improves the overall performance of the system.

A RS 232 connector is a type of serial connector used for connecting devices such as computers and modems. It is typically a 9-pin connector, which is represented by option A in this question. Options B, C, and D are not specified, so it is not possible to determine if they are RS 232 connectors.

Male DB-25 and male DB-9 connectors are used for serial ports. The DB-25 connector has 25 pins and is typically used for older serial port connections, while the DB-9 connector has 9 pins and is commonly used for modern serial port connections. Female DB-9 and DB-25 connectors are not used for serial ports. Female DB-15 connectors are typically used for VGA connections, not serial ports.

The 6 pin MINI Din connector plug, DB 9 to 25 pin adapter, and DIN 9 connector plug can all be used for connecting a mouse to the computer.

The S-Video connectors are purple and gray (large). S-Video is a type of video signal that carries separate luminance (brightness) and chrominance (color) signals, resulting in a higher quality image compared to composite video. The purple connector is used for the luminance signal, while the gray (large) connector is used for the chrominance signal.

Option B and D could be the correct answers because a mouse can be attached to an IBM PC using either a PS/2 port (Option B) or a USB port (Option D). These ports are commonly found on IBM PCs and are used to connect peripherals such as mice and keyboards.