Third Grade A/B Second Period Exam.

The correct answer is "usb" because USB (Universal Serial Bus) is a commonly used port for connecting various devices to a computer. It is widely used for connecting peripherals such as keyboards, mice, printers, and external storage devices. USB ports are easily recognizable by their rectangular shape and the USB symbol.

The correct answer is "wireless network card" because it is a specific type of card that allows a computer or device to connect to a wireless network. It is different from the other options listed, such as videocard, audiocard, usb hub, and network adapter, which serve different functions in a computer or device.

The correct answer is antistatic bracelet. An antistatic bracelet is a tool used to prevent the buildup of static electricity on a person's body while working with sensitive electronic components. It is typically worn on the wrist and is connected to a grounding point, allowing any static charge to be safely discharged. This helps to protect the electronic components from damage caused by static electricity.

The symbol of a lightning bolt typically represents high voltage. Lightning bolts are commonly associated with electricity and are used to indicate areas or objects that have a high voltage electrical current running through them. This symbol is often used as a warning sign to alert people of potential electrical hazards or to indicate the presence of high voltage equipment or power lines.

SATA stands for Serial Advanced Technology Attachment and it is a type of cable used for connecting storage devices such as hard drives and solid-state drives to a computer's motherboard. SATA cables are widely used in modern computers due to their higher data transfer rates, smaller size, and better compatibility compared to older cable types like PATA (Parallel ATA) and IDE (Integrated Drive Electronics). The given correct answer indicates that the cable in question is a SATA cable.

IEEE stands for Institute of Electrical and Electronic Engineering. This organization is a professional association that focuses on advancing technology and innovation in the fields of electrical engineering, electronics, and related disciplines. The correct answer is "Institute of Electrical and Electronic Engineering."

The two most popular types of printers are laser and inkjet. Laser printers use a laser beam to transfer toner onto the paper, resulting in high-quality prints and fast printing speeds. Inkjet printers, on the other hand, use small ink droplets sprayed onto the paper to create images and text. They are known for their versatility, affordability, and ability to produce high-resolution prints. Both laser and inkjet printers are widely used in homes and offices due to their reliability and wide range of printing capabilities.

The correct answer is 480mbs. USB 2.0 has a maximum data transfer rate of 480 megabits per second (mbps). This means that it can transfer data at a speed of up to 480 megabits per second.

A floppy disk cable typically has 34 pins. This cable is used to connect the floppy disk drive to the motherboard of a computer. The 34 pins on the cable are used to transmit data and signals between the drive and the motherboard.

The correct answer is 400 Mbps. IEEE 1394a, also known as FireWire 400, has a maximum speed of 400 Mbps. This technology is commonly used for high-speed data transfer between devices such as computers, cameras, and external hard drives.

The correct answer is thermal element. When installing a processor in a motherboard, a thermal element is necessary. This element helps in conducting heat away from the processor and transferring it to a heat sink or cooling system. It ensures that the processor does not overheat and maintains optimal performance.

BIOS stands for Basic Input Output System. It is a firmware that is embedded on a computer's motherboard. BIOS is responsible for initializing hardware components during the boot process and providing the computer with basic instructions on how to load the operating system. It also provides a set of low-level routines for communication between the operating system and the hardware devices.

The roller of a laser printer should never be touched because it becomes extremely hot during the printing process. This is because the roller is responsible for fusing the toner onto the paper, and the heat is necessary for this process. Touching the roller can cause burns or other injuries due to the high temperature.

VGA stands for Video Graphics Array and it is a type of monitor cable. It is commonly used to connect computers or laptops to external displays such as monitors or projectors. VGA cables transmit analog video signals and are characterized by their distinctive blue color and trapezoidal connector shape. They have been widely used in the past but are gradually being replaced by digital connections such as HDMI or DisplayPort.

DVI stands for Digital Visual Interface. It is a type of monitor cable that is used to transmit digital video signals from a computer to a display device. DVI cables are commonly used to connect computers to monitors, projectors, and HDTVs. The digital aspect of DVI ensures high-quality video transmission, while the visual interface refers to the connection between the computer and the display device.

The correct answer is IEEE 1394a. IEEE 1394a is the standard for Firewire cables and ports. Firewire is a high-speed data transfer technology commonly used for connecting devices such as digital cameras, external hard drives, and audio interfaces to a computer. The IEEE 1394a standard specifies the physical and electrical characteristics of the Firewire interface, ensuring compatibility and interoperability between devices.

The correct answer is 63. FireWire is a high-speed data transfer technology that allows multiple devices to be connected to a single port using a daisy-chain configuration. Each device in the chain uses one FireWire port, and a maximum of 63 devices can be connected in this way. Therefore, 63 is the maximum number of devices that can support a FireWire port.

POST stands for Power On Self Test. It is a diagnostic testing sequence that a computer's firmware or BIOS (Basic Input/Output System) performs to determine if the hardware components of the computer are functioning correctly. During POST, the computer checks various hardware components such as the CPU, memory, hard drive, and other peripherals to ensure they are working properly. This helps to identify any potential hardware issues or errors that may prevent the computer from booting up successfully.

A voltage of 30v is enough to damage a computer component. Exposing a computer component to a voltage higher than its recommended operating voltage can cause electrical overstress, leading to damage or even failure of the component. Therefore, it is important to ensure that the voltage supplied to computer components remains within their specified limits to prevent any potential damage.

The given picture shows a command line interface. In a command line interface, users interact with the computer by typing commands instead of using a graphical user interface (GUI). This type of operating system allows users to execute commands directly, providing more control and flexibility but may require a higher level of technical knowledge.

In the case of a heavy fire caused by electrical equipment, the correct type of fire extinguisher to use is type C. This is because type C fire extinguishers are specifically designed to extinguish fires involving electrical equipment, such as computers, appliances, and wiring. Using any other type of fire extinguisher, such as type A or type B, could potentially result in electrical shock or re-ignition of the fire.

The correct answer is Molex. Molex is a well-known brand that specializes in manufacturing a wide range of electronic connectors, including the one shown in the question. This specific connector is commonly used in computer hardware, such as power supply units and disk drives. It features a rectangular shape with multiple pins arranged in a single row, allowing for secure and reliable connections. Molex connectors have become a standard in the industry due to their durability and compatibility with various devices.

The given correct answer for this question is "phillips." Phillips is a type of screw head that features a cross-shaped indentation in the center. It is designed to be used with a corresponding Phillips screwdriver, which has a matching cross-shaped tip. The Phillips screw head is commonly used in various applications, including woodworking, construction, and electronics. It provides good torque transfer and reduces the risk of cam-out, making it a popular choice for many projects.

A PATA cable, also known as an IDE cable, is used to connect storage devices, such as hard drives or optical drives, to the motherboard of a computer. It has two connectors, one for the motherboard and one for the storage device. Each connector has 40 pins, allowing for the transfer of data between the device and the motherboard. Therefore, the correct answer is 40.

The correct answer is "Master." In the context of hard drives, "Master" refers to the primary drive in a computing system that controls the data flow between the computer and the connected devices. It is responsible for managing and organizing the data transfer process. This term is commonly used in IDE (Integrated Drive Electronics) or PATA (Parallel ATA) systems, where multiple drives can be connected to a single controller. The "Master" drive has a higher priority and typically contains the operating system and important files.

The correct answer is s-video. The question is asking for the name of a port, and out of the given options, s-video is the only one that matches. The other options, such as ps-2, fire-wire, ide, and molex, are not names of ports. Therefore, s-video is the correct answer.

The unit of electricity that is measured in amperes is represented by the symbol "I". Amperes (A) is the unit used to measure electric current, which is the flow of electric charge in a circuit. It is named after the French physicist André-Marie Ampère, who made significant contributions to the field of electromagnetism.

The unit of electricity that is measured in ohms is resistance (R). Ohms is the unit of measurement for electrical resistance, which is the opposition to the flow of electric current in a circuit. Resistance is represented by the symbol R and is measured in ohms (Ω). It determines how much current will flow through a circuit for a given voltage.

The crown in a laser printer is dangerous to touch because it may have high voltage.

The correct answer is "phillips". Phillips is the name of a type of screwdriver tool that has a cross-shaped tip. It is commonly used for driving screws with a corresponding cross-shaped indentation on the head. The Phillips screwdriver is widely used and is available in various sizes.

The correct answer is Phoenix. Phoenix is the BIOS manufacturer of the computer being worked on. The other options, HP, Compaq, Sony, and BIOS Award, are not the correct BIOS manufacturers for the computer.

A CD drive is a type of optical drive that is used to read and write data from and to CDs. It is called an optical drive because it uses lasers to read the data stored on the CD. Other options like floppy drive, hard drive, USB drive, and external hard drive are not specifically designed for reading and writing data on CDs.

The given answer "torx" refers to the type of screws being described in the question. Torx screws have a six-point star-shaped pattern on the head, which provides better torque transfer and reduces the risk of cam-out (slippage) compared to other types of screws. Therefore, based on the information provided, the correct type of screws depicted in the question is "torx."

The little blue piece in the picture is called a jumper.

The correct answer is PATA, which stands for Parallel ATA. PATA is a type of cable used to connect storage devices, such as hard drives and optical drives, to the motherboard of a computer. It was commonly used in older computer systems before being replaced by SATA (Serial ATA) cables. PATA cables have a wide, flat ribbon-like design with multiple pins, allowing for data transfer and power supply to the connected devices.

When you upgrade a videocard in a PC, it is considered hardware maintenance because you are physically replacing or adding a new component to the computer. Upgrading a videocard involves opening the computer case, removing the old videocard, and installing the new one. This process requires knowledge of the hardware and may involve connecting cables or adjusting settings. Software maintenance, on the other hand, refers to tasks such as updating or reinstalling software programs, optimizing system performance, or fixing software-related issues. Normal maintenance is a vague term that does not specifically describe the act of upgrading a videocard.

The given tool is called a torx. Torx is a type of screwdriver or screw head that has a six-point star-shaped pattern. It is commonly used in various applications, especially in automotive and electronics industries. The torx design provides better torque transfer and reduces the risk of cam-out, making it a preferred choice for many professionals.

Cat 5 is the correct answer as it refers to Category 5 Ethernet cables. These cables are a type of twisted pair cable used for Ethernet connections and can support data transfer speeds up to 1000 Mbps. They are widely used for both home and business networks due to their affordability and reliability. The other options, IEEE 1296 and SCSI, are not related to Ethernet cables. ISO is a standard-setting organization, but it does not specifically define Ethernet cable specifications. Cat 26 is not a recognized category for Ethernet cables.

FireWire is a type of connector used for high-speed data transfer between devices such as computers, digital cameras, and external hard drives. It is also known as IEEE 1394 or i.LINK. FireWire connectors have a distinctive rectangular shape with either 4 or 6 pins. They are commonly used in the audio/video industry for connecting devices like camcorders and video cameras to computers or other devices for data transfer or live streaming.

The given explanation suggests that the correct answer is "Spikes" because they are very brief, usually lasting millionths of a second, and they vary from a few hundred volts to several thousand volts.

The tool being referred to in this question is a digital multimeter. A digital multimeter is a versatile electronic measuring instrument that combines several functions in one device. It is commonly used to measure voltage, current, and resistance in electrical circuits. Unlike analog multimeters, digital multimeters provide precise numerical readings on a digital display. They are widely used by electricians, technicians, and hobbyists for troubleshooting, maintenance, and testing purposes.

Fdisk is a software tool used to create and delete partitions on a disk. It is a command-line utility that allows users to manage disk partitions by creating new partitions, deleting existing ones, and modifying the partition table. Fdisk is commonly used in operating systems like Linux and Windows to partition hard drives and allocate storage space for different purposes. It is a powerful tool for managing disk partitions efficiently.

DDR RAM stands for Double Data Rate Random Access Memory. This type of memory is designed to transfer data on both the rising and falling edges of the clock signal, effectively doubling the data transfer rate compared to traditional SDRAM. This allows for faster and more efficient data processing in computers and other electronic devices.

The key combination to access the BIOS in the computer you're working on is f10.

A hot swappable device refers to a device that can be connected or disconnected from a computer without the need to turn off the computer. This feature allows for convenient and seamless replacement or addition of devices without disrupting the computer's operation. It saves time and eliminates the need for system shutdowns, making it easier to upgrade or replace components.

The correct answer is Rj45. Rj45 is a type of connector commonly used for Ethernet networking. It is used to connect devices such as computers, routers, and switches to create a local area network (LAN). The Rj45 connector has eight pins and is typically used with twisted pair cables. It is widely used in homes, offices, and data centers for wired internet connections.

Berg is the name of the following connector.

An electrostatic bracelet is used to prevent electrostatic discharge (ESD) while working with electronic components. The monitor is a display device and does not come into direct contact with electronic components like the motherboard, keyboard, RAM memory, or wireless card. Therefore, an electrostatic bracelet is not necessary while working with a monitor.

The commonly the first bootable device is the CD. When a computer starts up, it checks for a bootable device to load the operating system. In many cases, the computer is set to check the CD drive first. This means that if there is a bootable CD in the drive, the computer will load the operating system from that CD. This can be useful for installing a new operating system or running a diagnostic tool from a CD.

SCSI stands for Small Computer System Interface. It is a set of standards for physically connecting and transferring data between computers and peripheral devices. SCSI ports are commonly used for connecting external storage devices, such as hard drives and tape drives, to a computer. This port is not as commonly used as USB or Firewire ports, but it is still used in some professional and enterprise-level applications.