Computer Hardware: Test Your GK! Quiz

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Computer Hardware: Test Your GK! Quiz - Quiz


Do you have a general knowledge of hardware? Computer hardware includes everything from the computer's essential parts, such as the case, central processing unit, monitor, mouse, keyboard, computer information storage, graphics card, sound card, speakers, and motherboard. The software typically produces hardware to perform any command or teaching. A blend of hardware and software forms a working computing system. This quiz will tell you about computer hardware. Good luck with the examination.


Questions and Answers
  • 1. 

    Resolution of display card is:

    • A.

      The number of pixels

    • B.

      The number of colours

    • C.

      The amount of memory

    • D.

      The speed of CPU

    Correct Answer
    A. The number of pixels
    Explanation
    The resolution of a display card refers to the number of pixels it can display. Pixels are the smallest units of color that make up an image on a screen. A higher resolution means that the display card can show more pixels, resulting in a clearer and more detailed image. Therefore, the correct answer is "the number of pixels."

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  • 2. 

    External modem requires a/an __________ to get powered on.

    • A.

      AC adapter

    • B.

      Ethernet adapter

    • C.

      DC adapter

    • D.

      Data cable

    Correct Answer
    A. AC adapter
    Explanation
    An external modem requires an AC adapter to get powered on because it needs an external power source to function. AC adapters convert the alternating current from a wall outlet into the direct current needed to power the modem. This allows the modem to receive power and operate properly. Ethernet adapters, DC adapters, and data cables are not used to power on an external modem.

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  • 3. 

    The output of a blue color wire in an SMPS is

    • A.

      -12v DC

    • B.

      13v DC

    • C.

      22v DC

    • D.

      23v DC

    Correct Answer
    A. -12v DC
    Explanation
    The output of a blue color wire in an SMPS is -12v DC. This means that when the blue wire is connected to a device, it will provide a direct current (DC) voltage of -12 volts. The negative sign indicates that the voltage is negative relative to the reference point. This voltage level may be used to power specific components or circuits that require a -12v DC supply.

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  • 4. 

    In a color monitor, 1 pixel is represented by ___________.

    • A.

      Triad

    • B.

      Nibble

    • C.

      Both (1) and (2)

    • D.

      Btye

    Correct Answer
    A. Triad
    Explanation
    A triad is a group of three colors that are used to represent one pixel in a color monitor. Each color in the triad represents a different component of the pixel's color, such as red, green, and blue. By combining different intensities of these three colors, a wide range of colors can be displayed on the monitor. Therefore, the correct answer is triad.

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  • 5. 

    In a DVD- ROM, tracks are placed ________ mm apart.

    • A.

      0.74

    • B.

      10

    • C.

      164

    • D.

      74

    Correct Answer
    A. 0.74
    Explanation
    In a DVD-ROM, tracks are placed 0.74 mm apart. This distance between tracks is important because it allows the laser in the DVD-ROM drive to accurately read the data stored on the disc. If the tracks were too close together, the laser may accidentally read data from adjacent tracks, causing errors. Conversely, if the tracks were too far apart, the laser may not be able to read the data at all. Therefore, the spacing of 0.74 mm strikes a balance between data density and readability.

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  • 6. 

    The output of red color wire in an SMPS is

    • A.

      +5v DC

    • B.

      +12v DC

    • C.

      -5v DC

    • D.

      -3.3v DC

    Correct Answer
    A. +5v DC
    Explanation
    The output of the red color wire in an SMPS is +5v DC. This means that the red wire carries a direct current (DC) with a voltage of +5 volts. The SMPS (Switched-Mode Power Supply) is a type of power supply that converts AC voltage from the main power source to different DC voltages for various components in a device. In this case, the red wire provides a +5v DC output, which is commonly used to power certain components or peripherals in electronic devices.

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  • 7. 

    Which IRQ number is used by the floppy disk controller?

    • A.

      1

    • B.

      5

    • C.

      6

    • D.

      8

    Correct Answer
    C. 6
    Explanation
    The floppy disk controller uses IRQ number 6.

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  • 8. 

    Which of the following is the type of logical memory?

    • A.

      RAM

    • B.

      EEPROM

    • C.

      Pen drive

    • D.

      Extended Memory

    Correct Answer
    D. Extended Memory
    Explanation
    Extended memory is a type of logical memory that refers to the additional memory beyond the 1MB limit of conventional memory in a computer system. It is typically used in older computer systems that use the 16-bit architecture. Extended memory allows for the expansion of the available memory, providing more space for running applications and storing data. RAM, EEPROM, and pen drive are all types of physical memory devices, not types of logical memory.

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  • 9. 

    To which port of the computer system can a pen drive connect? 

    • A.

      USB

    • B.

      PS/2 port

    • C.

      Serial port

    • D.

      Parallel port

    Correct Answer
    A. USB
    Explanation
    A pen drive can connect to the USB port of a computer system. The USB (Universal Serial Bus) port is a standard interface that allows for the connection of various devices, including pen drives. It provides a fast and convenient way to transfer data between the pen drive and the computer. The other options listed (PS/2 port, serial port, parallel port) are older types of ports that are less commonly used for connecting pen drives.

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  • 10. 

    Which of the following memories is used by a pen drive?

    • A.

      Flash memory

    • B.

      Cache memory

    • C.

      Physical memory

    • D.

      RAM

    Correct Answer
    A. Flash memory
    Explanation
    A pen drive uses flash memory. Flash memory is a type of non-volatile memory that can be electrically erased and reprogrammed. It is commonly used in portable storage devices like pen drives because it allows for fast and easy data transfer. Unlike cache memory, which is used by the CPU to store frequently accessed data, or RAM, which is volatile and loses data when power is turned off, flash memory retains data even when not powered. Physical memory is a general term that refers to any type of memory used in a computer system.

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  • 11. 

    Which power connector is used to supply power to the motherboard?

    • A.

      PCI

    • B.

      AGP

    • C.

      PS/2

    • D.

      ATX

    Correct Answer
    D. ATX
    Explanation
    The ATX power connector is used to supply power to the motherboard. ATX stands for Advanced Technology Extended, and it is a standard power supply design used in most modern computers. It provides the necessary power to the motherboard and other components, ensuring proper functioning of the system. The other options listed, PCI, AGP, and PS/2, are not power connectors but rather refer to different types of expansion slots or ports on the motherboard.

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  • 12. 

    How many pins does a DIMM package contain?

    • A.

      144 pins

    • B.

      168 pins

    • C.

      172 pins

    • D.

      72 pins

    Correct Answer
    B. 168 pins
    Explanation
    A DIMM package typically contains 168 pins. DIMM stands for Dual In-Line Memory Module, which is a type of memory module used in computers. The number of pins is important as it determines the compatibility and connection of the module to the motherboard. 168 pins is a common configuration for DIMM packages, allowing for efficient data transfer between the memory module and the system.

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  • 13. 

    Baby AT motherboard supports a maximum of _____ slots.

    • A.

      7

    • B.

      8

    • C.

      2

    • D.

      4

    Correct Answer
    B. 8
    Explanation
    The correct answer is 8. Baby AT motherboards are designed to support a maximum of 8 expansion slots. These slots are used to connect various components such as graphics cards, sound cards, and network cards to the motherboard. Having 8 slots allows for greater customization and expansion options for the user.

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  • 14. 

    Which of the following is also known as a printed circuit board in the computer system?

    • A.

      RAM

    • B.

      Micro-processor

    • C.

      Motherboard

    • D.

      Jumper

    Correct Answer
    C. Motherboard
    Explanation
    The motherboard is also known as a printed circuit board in the computer system. It is the main circuit board that connects and allows communication between all the components of a computer system, such as the CPU, RAM, and storage devices. It provides electrical connections and pathways for data transfer, as well as houses various connectors and slots for expansion cards and peripherals. The motherboard is crucial for the proper functioning of a computer system as it acts as a central hub for all the hardware components.

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  • 15. 

    _______________ store(s) the time and settings of a system.

    • A.

      Memory slots

    • B.

      CPU socket

    • C.

      CMOS chip

    • D.

      BIOS chip

    Correct Answer
    C. CMOS chip
    Explanation
    The CMOS chip is responsible for storing the time and settings of a system. CMOS stands for Complementary Metal-Oxide-Semiconductor, and it is a type of memory technology used in computers. It is powered by a small battery, allowing it to retain information even when the computer is turned off. The CMOS chip holds important system configuration data, such as the date and time, boot order, and hardware settings. This information is essential for the proper functioning of the computer and is accessed by the BIOS (Basic Input/Output System) during the booting process.

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  • 16. 

    IRQ 8 is assigned to ________.

    • A.

      Keyboard

    • B.

      Network card

    • C.

      Sound Card

    • D.

      Real time clock

    Correct Answer
    D. Real time clock
    Explanation
    IRQ 8 is assigned to the real time clock. The real time clock is responsible for keeping track of the current time and date in a computer system. It is an essential component for various tasks such as scheduling events, time-sensitive operations, and synchronization. Assigning IRQ 8 to the real time clock ensures that it has a dedicated interrupt line for timely updates and accurate timekeeping.

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  • 17. 

    1 nibble is equivalent to

    • A.

      4 bits

    • B.

      8 bits

    • C.

      32 bits

    • D.

      None of these

    Correct Answer
    A. 4 bits
    Explanation
    A nibble is a unit of digital information that consists of 4 bits. It is half of a byte, which is composed of 8 bits. Therefore, 1 nibble is equivalent to 4 bits.

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  • 18. 

    With the help of which scanner can you scan photo slides?

    • A.

      Slide scanner

    • B.

      Drum scanner

    • C.

      Flat bed scanner

    • D.

      Sheet fed scanner

    Correct Answer
    A. Slide scanner
    Explanation
    A slide scanner is the correct answer because it is specifically designed to scan photo slides. This type of scanner has a specialized mechanism that allows it to hold and scan individual slides, ensuring high-quality scanning of these small and transparent images. Drum scanners, flatbed scanners, and sheet-fed scanners are not specifically designed for scanning photo slides, although they can be used for other types of scanning tasks.

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  • 19. 

    The scanning surface of a scanner is made up of _________.

    • A.

      Plastic

    • B.

      Wood

    • C.

      Ceramic

    • D.

      Glass

    Correct Answer
    D. Glass
    Explanation
    The scanning surface of a scanner is made up of glass because glass is a smooth and transparent material that allows light to pass through easily. This transparency ensures accurate scanning and reproduction of the document or image being scanned. Glass is also durable and resistant to scratches, making it an ideal material for the scanning surface as it can withstand repeated use without compromising the quality of the scan.

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  • 20. 

    You can use the ______________ scanner for scanning large individual sheets of paper.

    • A.

      Slide

    • B.

      Sheet

    • C.

      Sheet fed

    • D.

      Drum

    Correct Answer
    C. Sheet fed
    Explanation
    The correct answer is "sheet fed". This is because a sheet fed scanner is specifically designed to scan large individual sheets of paper. It is able to feed one sheet at a time and scan it quickly and efficiently. This type of scanner is commonly used in offices and other settings where large documents need to be scanned regularly.

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  • 21. 

    CD-ROM stands for?

    • A.

      Combined disk read only memory

    • B.

      Comparative disk read only memory

    • C.

      Compact disk read on memory

    • D.

      Compact disk read only memory

    Correct Answer
    D. Compact disk read only memory
    Explanation
    CD-ROM stands for Compact Disk Read Only Memory. It is a type of optical disk storage that can store large amounts of data. The term "compact" refers to the physical size of the disk, which is smaller compared to other types of disks. "Read only" means that the data on the disk can only be read and not modified or erased. CD-ROMs were commonly used for distributing software, games, and multimedia content before the rise of USB flash drives and online downloads.

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  • 22. 

    Which memory is termed as ' Destructive Memory'?

    • A.

      Primary Memory

    • B.

      Secondary Memory

    • C.

      Cache Memory

    • D.

      None of the above

    Correct Answer
    A. Primary Memory
    Explanation
    Primary memory is termed as 'Destructive Memory' because it is volatile in nature. This means that the data stored in primary memory is lost when the power supply is turned off or interrupted. Unlike secondary memory and cache memory, primary memory does not retain data for a long time and is constantly changing or getting destroyed. Therefore, primary memory is considered as 'Destructive Memory'.

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  • 23. 

    The number of bits that a memory card consists of is called its

    • A.

      Length

    • B.

      Byte

    • C.

      Word length

    • D.

      None of the above

    Correct Answer
    C. Word length
    Explanation
    The word length refers to the number of bits that a memory card consists of. It is a measure of the size of the data that can be processed or stored in the memory card. The length and byte options are not correct because they do not specifically refer to the number of bits in a memory card. Therefore, the correct answer is word length.

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  • 24. 

    Which technology was used for storing a large amount of data in the Fourth Generation computers?

    • A.

      RAID

    • B.

      Hard disk

    • C.

      CD-Rom

    • D.

      None of the above

    Correct Answer
    A. RAID
    Explanation
    RAID (Redundant Array of Independent Disks) technology was used for storing a large amount of data in the Fourth Generation computers. RAID combines multiple physical disk drives into a single logical unit, providing improved performance, fault tolerance, and increased storage capacity. It allows data to be distributed across multiple disks, providing redundancy and protection against data loss in case of disk failure. Therefore, RAID was a significant technology used for efficient and reliable data storage in Fourth Generation computers.

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  • 25. 

    Which section of the CPU selects and interprets program instruction and checks whether they are executed or not?

    • A.

      ALU section

    • B.

      Control Section

    • C.

      Memory

    • D.

      None of the above

    Correct Answer
    B. Control Section
    Explanation
    The control section of the CPU is responsible for selecting and interpreting program instructions. It ensures that the instructions are executed correctly by coordinating the activities of other sections of the CPU, such as the ALU and memory. It also checks whether the instructions have been executed or not, ensuring the proper flow of the program. Therefore, the control section is the correct answer to the question.

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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
  • May 05, 2019
    Quiz Created by
    Vaibhavgaware521
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