IT Essentials Chapter 1 V5.0

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  • 1/21 Questions

    Which two devices are considered input devices? (Choose two.)

    • Digital camera
    • Printer
    • Speakers
    • Biometric authentication device
    • Projector
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About This Quiz

The 'IT Essentials Chapter 1 v5.0' quiz assesses knowledge crucial for IT professionals, focusing on hardware components and configurations. It covers topics such as cache memory, workstation requirements for virtual machines, input and output devices, and optimal upgrades for gaming PCs.

IT Essentials Quizzes & Trivia

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  • 2. 

    A user playing a game on a gaming PC with a standard EIDE 5400 RPM hard drive finds the performance unsatisfactory. Which hard drive upgrade would improve performance while providing more reliability and using less power?

    • A 7200 RPM SATA hard drive

    • A 7200 RPM EIDE hard drive

    • An SSD

    • A 10,000 RPM SATA hard drive

    Correct Answer
    A. An SSD
    Explanation
    An SSD (Solid State Drive) would be the best hard drive upgrade to improve performance while providing more reliability and using less power. SSDs have faster read and write speeds compared to traditional hard drives, which would greatly enhance the gaming experience. Additionally, SSDs have no moving parts, making them more reliable and less prone to mechanical failure. They also consume less power, resulting in longer battery life for gaming laptops or reduced electricity usage for desktop PCs.

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  • 3. 

    Which hardware upgrade would allow the processor in a gaming PC to provide the optimal gaming performance?

    • A fast EIDE drive

    • Large amounts of fast RAM

    • Liquid cooling

    • A high capacity external hard drive

    Correct Answer
    A. Large amounts of fast RAM
    Explanation
    Large amounts of fast RAM would allow the processor in a gaming PC to provide optimal gaming performance because RAM is responsible for storing and quickly accessing data that the processor needs to perform tasks. In gaming, a large amount of fast RAM allows for smoother gameplay and faster loading times as it can store more game data and quickly retrieve it when needed. This helps to prevent lag and improve overall performance, making it an essential hardware upgrade for optimal gaming experience.

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  • 4. 

    Which component controls the communications and interactions between the CPU and other components on the motherboard?

    • RAM

    • CMOS

    • Chipset

    • BIOS

    Correct Answer
    A. Chipset
    Explanation
    The chipset is responsible for controlling the communications and interactions between the CPU and other components on the motherboard. It manages the flow of data and instructions between the CPU, memory, storage devices, and other peripherals. The chipset also plays a crucial role in determining the capabilities and compatibility of the motherboard, as it provides support for various features such as USB, SATA, PCI-E, and audio/video interfaces.

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  • 5. 

    Which two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two.)

    • High-end sound card

    • Number of CPU cores

    • Water cooling

    • Powerful video card

    • Amount of RAM

    Correct Answer(s)
    A. Number of CPU cores
    A. Amount of RAM
    Explanation
    When building a workstation that will run multiple virtual machines, the number of CPU cores is important because each virtual machine requires processing power, and having more cores allows for better multitasking and performance. Additionally, the amount of RAM is crucial as each virtual machine needs memory to operate efficiently, and having enough RAM ensures smooth operation and prevents performance bottlenecks.

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  • 6. 

    Which type of memory is primarily used as cache memory?

    • DRAM

    • RAM

    • ROM

    • SRAM

    Correct Answer
    A. SRAM
    Explanation
    SRAM (Static Random Access Memory) is primarily used as cache memory. Unlike DRAM (Dynamic Random Access Memory) which requires constant refreshing to retain data, SRAM retains data as long as power is supplied. SRAM is faster and more expensive than DRAM, making it ideal for cache memory which needs to provide quick access to frequently used data. RAM (Random Access Memory) and ROM (Read-Only Memory) are not typically used as cache memory.

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  • 7. 

    Which three devices are considered output devices? (Choose three.)

    • Headphones

    • Keyboard

    • Fingerprint scanner

    • Monitor

    • Mouse

    • Printer

    Correct Answer(s)
    A. Headphones
    A. Monitor
    A. Printer
    Explanation
    The three devices that are considered output devices are headphones, monitor, and printer. Headphones are used to output audio signals, allowing the user to listen to sound. Monitors display visual information and output it to the user. Printers produce hard copies of digital information, such as documents or images, as output for the user.

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  • 8. 

    Which unit of measurement is used to indicate the hard drive speed?

    • Pages per minute

    • Gigabytes

    • Revolutions per minute

    • Clusters per minute

    Correct Answer
    A. Revolutions per minute
    Explanation
    The correct answer is revolutions per minute. This unit of measurement is used to indicate the speed of a hard drive. It refers to the number of times the hard drive platter rotates in one minute. A higher RPM generally means faster read and write speeds, resulting in improved performance.

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  • 9. 

    What type of connector can be used to connect an eSATA interface to an external SATA drive?

    • 7-pin connector

    • 9-pin connector

    • 15-pin connector

    • 5-pin connector

    Correct Answer
    A. 7-pin connector
    Explanation
    A 7-pin connector can be used to connect an eSATA interface to an external SATA drive. This is because eSATA uses a 7-pin connector, which provides a faster and more reliable connection compared to other types of connectors. The 7-pin connector ensures that the necessary data and power signals are properly transmitted between the eSATA interface and the external SATA drive, allowing for efficient data transfer and communication.

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  • 10. 

    Where can the input voltage selection be changed from 110 volts to 220 volts on a computer system?

    • On the motherboard

    • Where can the input voltage selection be changed from 110 volts to 220 volts on a computer in the BIOS

    • On the back of the power supply

    • In the operating system control panel

    Correct Answer
    A. On the back of the power supply
    Explanation
    The input voltage selection can be changed from 110 volts to 220 volts on a computer system by adjusting the settings on the back of the power supply.

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  • 11. 

    Refer to the exhibit. Which type of adapter is shown?

    • Network interface

    • Sound

    • Video

    • RAID

    Correct Answer
    A. Network interface
    Explanation
    The exhibit is not provided, so it is not possible to determine the exact type of adapter shown. However, based on the given options, the most likely correct answer is "network interface" as it is commonly used to connect a computer to a network.

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  • 12. 

    What are two factors that must be considered when choosing a computer case? (Choose two.)

    • The number of LED indicators at the front of the case

    • The size of the motherboard and the power supply

    • The vendor that manufactured the motherboard

    • The size of the monitor

    • The number of internal drive locations

    Correct Answer(s)
    A. The size of the motherboard and the power supply
    A. The number of internal drive locations
    Explanation
    When choosing a computer case, two factors that must be considered are the size of the motherboard and the power supply, as well as the number of internal drive locations. The size of the motherboard and power supply is important because it determines if they will fit properly within the case. The number of internal drive locations is also crucial as it determines how many storage devices can be installed in the case. The size of the monitor, the number of LED indicators, and the vendor that manufactured the motherboard are not directly related to the selection of a computer case.

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  • 13. 

    A technician looks at a motherboard and sees a 24-pin connector. What component would connect to the motherboard through the use of this 24-pin connector?

    • Power supply

    • SATA drive

    • Video card

    • PATA optical drive

    • Floppy drive

    Correct Answer
    A. Power supply
    Explanation
    The 24-pin connector on a motherboard is used to connect the power supply. The power supply is responsible for providing the necessary electrical power to all the components of the computer. By connecting the power supply to the motherboard via the 24-pin connector, the motherboard can receive the required power to function properly.

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  • 14. 

    Which memory module has a front side bus speed of 200 MHz?

    • DDR3-667

    • PC100 SDRAM

    • DDR-400*

    • DDR-333

    Correct Answer
    A. DDR-400*
    Explanation
    DDR-400 is the correct answer because it has a front side bus speed of 200 MHz. DDR-400 is a type of DDR memory module that operates at a clock speed of 200 MHz, which is double the bus speed. This means that it can transfer data at a rate of 400 million transfers per second. The other options, DDR3-667, PC100 SDRAM, and DDR-333, do not have a front side bus speed of 200 MHz.

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  • 15. 

    Refer to the exhibit. Which type of video card expansion slot is depicted?

    • PCIe

    • ISA

    • PCI

    • AGP

    Correct Answer
    A. AGP
    Explanation
    The correct answer is AGP. AGP (Accelerated Graphics Port) is a type of video card expansion slot that was commonly used in older computer systems. It provided a faster connection between the graphics card and the motherboard, allowing for improved performance in graphics-intensive applications. This slot is depicted in the exhibit.

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  • 16. 

    Which two activities are normally controlled by the Northbridge part of the chipset? (Choose two.)

    • Communication between the CPU and the sound card

    • Communication between the CPU and the hard drive

    • Access to the RAM

    • Communication between the CPU and the I/O ports

    • Access to the video card

    Correct Answer(s)
    A. Access to the RAM
    A. Access to the video card
    Explanation
    The Northbridge part of the chipset is responsible for controlling access to the RAM and the video card. It manages the communication between the CPU and these two components, ensuring efficient data transfer and coordination. The Northbridge allows the CPU to access and retrieve data from the RAM, which is essential for the computer's operation. It also controls access to the video card, allowing the CPU to send graphics data and instructions to be displayed on the monitor.

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  • 17. 

    Which two storage devices use a magnetic medium for storing data? (Choose two.)

    • Tape drive

    • Solid state drive

    • Hard disk drive

    • Compact disk drive

    • Blue-ray disk drive

    Correct Answer(s)
    A. Tape drive
    A. Hard disk drive
    Explanation
    The correct answer is tape drive and hard disk drive. Tape drives and hard disk drives both use a magnetic medium, such as magnetic tape or magnetic disks, to store data. In tape drives, data is stored on a magnetic tape that is wound around a spool, while in hard disk drives, data is stored on magnetic disks or platters that spin at high speeds. Both of these storage devices rely on the magnetic properties of the medium to read and write data.

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  • 18. 

    Refer to the exhibit. Which type of cable is shown in the graphic?

    • USB

    • Parallel

    • FireWire

    • Serial

    Correct Answer
    A. Serial
    Explanation
    The cable shown in the graphic is a serial cable. Serial cables are used to transfer data one bit at a time, sequentially, over a single communication line. They are commonly used for connecting devices such as modems, printers, and routers to computers.

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  • 19. 

    Which two pieces of information are needed before selecting a power supply? (Choose two.)

    • The total wattage of all components

    • The voltage requirements of peripheral devices

    • The form factor of the case

    • The type of CPU

    • The installed operating system

    Correct Answer(s)
    A. The total wattage of all components
    A. The form factor of the case
    Explanation
    Before selecting a power supply, two pieces of information that are needed are the total wattage of all components and the form factor of the case. The total wattage of all components is important to ensure that the power supply can provide enough power for all the components in the system. The form factor of the case is important because it determines the physical size and shape of the power supply, and it needs to be compatible with the case in order to fit properly. The other options, such as the voltage requirements of peripheral devices, the type of CPU, and the installed operating system, are not directly related to the selection of a power supply.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 20, 2014
    Quiz Created by
    N3CR0W
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