Computer Science Test Trivia: Quiz!

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| By M Faheem
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M Faheem
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Quizzes Created: 1 | Total Attempts: 252
| Attempts: 256
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  • 1/15 Questions

    Which one of these is a non-volatile memory?

    • RAM
    • ROM
    • SRAM
    • DRAM
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About This Quiz

This Computer Science Test Trivia evaluates knowledge on data management, memory units, and printing technologies. It tests understanding of MICR, laser printer speeds, data access times, memory basics, and ASCII values, essential for IT professionals.

Computer Science Test Trivia: Quiz! - Quiz

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  • 2. 

    CPU consist of the following parts:

    • Control Unit and Main Memory

    • Control Unit and Arithmetic & Logic Unit

    • Main Memory and Storage

    • Main Memory and Arithmetic & Logic Unit

    Correct Answer
    A. Control Unit and Arithmetic & Logic Unit
    Explanation
    The correct answer is Control Unit and Arithmetic & Logic Unit. The CPU, or Central Processing Unit, is the main component of a computer that performs most of the processing inside the computer. The Control Unit is responsible for coordinating and controlling the operations of the CPU. It fetches instructions from the memory, decodes them, and directs the operations of the other components. The Arithmetic & Logic Unit, on the other hand, performs arithmetic and logical operations, such as addition, subtraction, comparison, and logical operations like AND, OR, and NOT. Together, the Control Unit and Arithmetic & Logic Unit form the core components of the CPU.

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  • 3. 

    A computer device which detects each spot of an image on a paper is

    • Video Cam

    • Web Scan

    • Scanner

    • Printer

    Correct Answer
    A. Scanner
    Explanation
    A scanner is a computer device that detects each spot of an image on a paper. It is specifically designed to capture and convert physical documents into digital format. Unlike a video cam or a web scan, a scanner is optimized for high-resolution image capturing, allowing it to accurately detect and reproduce every detail of the image. A printer, on the other hand, is used to produce physical copies of digital documents or images, and does not involve the detection of spots on a paper like a scanner does.

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  • 4. 

    Which of the following is not a characteristic of a computer?

    • Diligence

    • Versatlity

    • I.Q

    • Accuracy

    Correct Answer
    A. I.Q
    Explanation
    The characteristic of a computer that is not mentioned in the given options is "I.Q". Computers are not capable of having intelligence or an I.Q as they are designed to perform tasks based on pre-programmed instructions and algorithms. While computers can process data and perform complex calculations, they do not possess the ability to think or reason like humans do. Therefore, "I.Q" is not a characteristic of a computer.

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  • 5. 

    Which generation of computers use transistors?

    • First

    • Second

    • Third

    • Fourth

    Correct Answer
    A. Second
    Explanation
    The second generation of computers used transistors. Transistors were a significant advancement over the vacuum tubes used in the first generation. They were smaller, more reliable, and consumed less power. This allowed computers to become smaller, faster, and more efficient. The use of transistors marked a major milestone in computer technology and paved the way for further advancements in subsequent generations.

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  • 6. 

    MICR characters are printed in special ink usually containing iron oxide.

    • Lead Oxide

    • Iron Oxide

    • Iron Pyrite

    • Magnesium Oxide

    Correct Answer
    A. Iron Oxide
    Explanation
    MICR characters are printed in special ink usually containing iron oxide because iron oxide is magnetic. This allows the characters to be easily read and processed by MICR readers, which use magnetic fields to detect and interpret the characters. Iron oxide provides the necessary magnetic properties for accurate and efficient scanning and recognition of the MICR characters.

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  • 7. 

    Component of CPU which is responsible for comparing the contents of two pieces of data is:

    • Arithmetic Unit

    • Logic Unit

    • Memory

    • Register

    Correct Answer
    A. Logic Unit
    Explanation
    The logic unit is responsible for comparing the contents of two pieces of data in a CPU. It performs logical operations such as AND, OR, and NOT on binary data. This unit is essential for decision-making processes and executing conditional statements in computer programs. It compares the values of data and produces an output based on the comparison result. Therefore, the logic unit is the correct answer for this question.

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  • 8. 

    The time required to locate and retrieve stored data from the storage unit in response to program instructions.

    • Response Time

    • Locate Time

    • Access Time

    • Retrieve Time

    Correct Answer
    A. Access Time
    Explanation
    Access time refers to the time required to locate and retrieve stored data from the storage unit in response to program instructions. It includes the time taken to locate the data and the time taken to actually retrieve it. Therefore, access time is the correct answer in this case.

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  • 9. 

    The generation based on VLSI microprocessor.

    • First

    • Second

    • Third

    • Fourth

    Correct Answer
    A. Fourth
    Explanation
    The given correct answer is "Fourth", but without any context or additional information provided in the question, it is impossible to determine the specific explanation for this answer. It is unclear what the question is asking or what the options "First", "Second", "Third", and "Fourth" refer to. Therefore, an explanation cannot be generated.

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  • 10. 

    The most commonly available computer keyboard has _____ keys.

    • 102

    • 104

    • 106

    • 108

    Correct Answer
    A. 104
    Explanation
    The most commonly available computer keyboard has 104 keys.

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  • 11. 

    2 GB = 

    • 1048576 KB

    • 2097152 KB

    • 3145728 KB

    • 2056293 KB

    Correct Answer
    A. 2097152 KB
    Explanation
    The correct answer is 2097152 KB. This is because 2 GB is equal to 2,147,483,648 bytes, and since there are 1024 bytes in a kilobyte, we divide 2,147,483,648 by 1024 to get 2,097,152 KB.

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  • 12. 

    ASCII for "d" is

    • 99

    • 100

    • 67

    • 68

    Correct Answer
    A. 100
    Explanation
    The ASCII value for the letter "d" is 100. ASCII is a character encoding standard that assigns a unique numeric value to each character. In the ASCII table, the decimal value 100 corresponds to the letter "d".

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  • 13. 

    CD-R stands for?

    • Compact Drive Readable

    • Compact Drive Recordable

    • Compact Disk Recordable

    • Compact Disk Reliable

    Correct Answer
    A. Compact Disk Recordable
    Explanation
    CD-R stands for Compact Disk Recordable. This is a type of optical disc that can be written on or "burned" with digital data, such as music, videos, or documents. The data on a CD-R can be written once and cannot be erased or modified afterwards. The term "Compact Disk Recordable" accurately describes the functionality and purpose of this type of disc.

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  • 14. 

    The Basic unit of memory is:

    • Word

    • Byte

    • Kilobyte

    • None of these

    Correct Answer
    A. None of these
    Explanation
    The basic unit of memory is not specifically mentioned in the given options. The basic unit of memory is a bit, which is the smallest unit of information in a computer. A bit can have a value of either 0 or 1. Bytes, kilobytes, and words are all larger units of memory that are composed of multiple bits. Therefore, the correct answer is "None of these" as none of the options accurately represent the basic unit of memory.

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  • 15. 

    Speed of laser printer is:

    • 4-8 PPM

    • 6-12 PPM

    • 8-14 PPM

    • 8-16 PPM

    Correct Answer
    A. 6-12 PPM
    Explanation
    The speed of a laser printer is typically measured in PPM (pages per minute). The correct answer is "6-12 PPM" because this range represents the average speed of a laser printer. It means that the printer can print anywhere between 6 to 12 pages in a minute, depending on the complexity of the document being printed.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 01, 2020
    Quiz Created by
    M Faheem
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