Unit 1.1 Systems Architecture MCQs
7th - 11th grade
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Computers
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40 QuestionsShow answers
  • Question 1
    30 seconds
    Q. Processors have a speed measured in (1-4) 
    answer choices
    Hertz 
    Bits 
    Bytes 
    Seconds 
  • Question 2
    30 seconds
    Q. Data and Instructions in use are stored in the: (1-4) 
    answer choices
    Processor 
    Embedded System 
    Hard Disk Drive 
    Main Memory 
  • Question 3
    30 seconds
    Q. Typical processor speed of 2016: (1-4) 
    answer choices
    16Hz 
    100MHz 
    4GHz 
    300GHz 
  • Question 4
    30 seconds
    Q. What doesn’t affect the performance of the computer (1-4) 
    answer choices
    Clock Speed 
    Number of Cores 
    Cache Size 
    The number of instructions in the program 
  • Question 5
    30 seconds
    Q. If the number of cores goes up from 2 to 4 – what is the exact effect on performance? (1-4) 
    answer choices
    Performance decreases 
    The maximum number of instructions executed per second doubles 
    The maximum number of instructions executed per second quadruples 
    The maximum number of instructions executed per second is halved 
  • Question 6
    30 seconds
    Q. If the processing speed goes up from 1GHZ to 4GHZ – what is the exact effect on the performance of the computer? (1-4) 
    answer choices
    The maximum number of instructions executed per second doubles 
    The maximum number of instructions executed per second quadruples 
    The maximum number of instructions executed per second is halved 
    The maximum number of instructions executed per second is quartered 
  • Question 7
    30 seconds
    Q. If the processing speed goes up from 2GHZ to 4GHZ and the number of cores goes from 2 to 4 – what is the exact effect on the performance of the computer? (5-6) 
    answer choices
    The maximum number of instructions executed per second doubles 
    The maximum number of instructions executed per second quadruples 
    The maximum number of instructions executed per second is halved 
    The maximum number of instructions executed per second is quartered 7 
  • Question 8
    30 seconds
    Q. If the processing speed goes from 1GHZ to 4GHZ and the processor is changed from an 8 core to a dual core processor – what is the exact effect on the performance of the computer? (5-6) 
    answer choices
    The number of instructions executed per second doubles 
    The number of instructions executed per second quadruples 
    The number of instructions executed per second is halved 
    The number of instructions executed per second stays the same 
  • Question 9
    30 seconds
    Q. Firmware in which software and hardware are integrated on a circuit board is often used in what type of system? (5-6) 
    answer choices
    Desktop System 
    Embedded System 
    Operating System 
    Point of Sales System 
  • Question 10
    30 seconds
    Q. Which is an example of an Embedded System: (1-4) 
    answer choices
    Laptops 
    Tablets 
    PCs 
    Washing Machine 
  • Question 11
    30 seconds
    Q. Processor don’t do the following (1-4) 
    answer choices
    Process Data 
    Execute Instructions 
    Execute Data 
    Operate in Hz 
  • Question 12
    30 seconds
    Q. The part of a processor in which instructions are executed is known as? (1-4) 
    answer choices
    Core 
    Centre 
    Execution 
    Instruction Centre 
  • Question 13
    30 seconds
    Q. What acts as an intermediary between the processor and the Main Memory? (6-9) 
    answer choices
    Bus 
    User 
    Cache 
    Clock 
  • Question 14
    30 seconds
    Q. What is held in cache? (5-6) 
    answer choices
    All of the programming instructions 
    Commonly used instructions and data 
    Instructions that have been processed 
    Data that hasn’t been used for a long time 
  • Question 15
    30 seconds
    Q. Moore’s Law? (7-9) 
    answer choices
    Predicted that the number of transistors on a circuit board would double ever year 
    Computers would be capable of thinking and learning for themselves by 2020 
    That the number of cores on a processor would double every year 
    The performance increase of computers would eventually halt in 2020 
  • Question 16
    30 seconds
    Q. Firmware refers to (5-6) 
    answer choices
    Any hardware that can’t easily break 
    A combination of hardware and software 
    A type of software that is updated to make a computer work better 
    Hardware used in kitchens 
  • Question 17
    30 seconds
    Q. If the processing speed goes up from 2GHZ to 4GHZ and the number of cores goes from 1 to 2 – what is the exact effect on the performance of the computer? (5-6) 
    answer choices
    Doubled 
    Quadrupled 
    Eight Times faster 
    Sixteen times faster 
  • Question 18
    30 seconds
    Q. If the processing speed goes up from 2GHZ to 4GHZ and the number of cores goes from 1 to 4 – what is the exact effect on the performance of the computer? (5-6) 
    answer choices
    Doubled 
    Quadrupled 
    Eight Times faster 
    Sixteen times faster 
  • Question 19
    30 seconds
    Q.  If the processing speed goes up from 1GHZ to 4GHZ and the number of cores goes from 1 to 2 – what is the exact effect on the performance of the computer? (5-6) 
    answer choices
    Doubled 
    Quadrupled 
    Eight Times faster 
    Sixteen times faster 
  • Question 20
    30 seconds
    Q. If the processing speed goes up from 1GHZ to 4GHZ and the number of cores goes from 1 to 8 – what is the exact effect on the performance of the computer? (5-6) 
    answer choices
    Eight Times faster 
    Sixteen times faster 
    Thirty Two times faster 
    Sixty Four times faster 
  • Question 21
    30 seconds
    Q.  What component holds the address of the next instruction (7-9) 
    answer choices
    Memory Address Register 
    Memory Data Register 
    Program Counter 
    Accumulator 
  • Question 22
    30 seconds
    Q.  Results of calculations are held in this register: (7-9) 
    answer choices
    Memory Address Register 
    Memory Data Register 
    Program Counter 
    Accumulator 
  • Question 23
    30 seconds
    Q. This holds the instruction/data temporarily after it is brought to the processor from the main memory (7-9) 
    answer choices
    Memory Address Register 
    Memory Data Register 
    Program Counter 
    Accumulator 
  • Question 24
    30 seconds
    Q. This holds the number of the current instruction being worked on (7-9) 
    answer choices
    Memory Address Register 
    Memory Data Register 
    Program Counter 
    Accumulator 
  • Question 25
    30 seconds
    Q. This would perform an operation including the word “And” (5-7) 
    answer choices
    Arithmetic Logic Unit 
    Accumulator 
    Cache 
    Control Unit 
  • Question 26
    30 seconds
    Q. This would send a signal such as “Memory Read” (5-7) 
    answer choices
    Arithmetic Logic Unit 
    Accumulator 
    Cache 
    Control Unit 
  • Question 27
    30 seconds
    Q. This would perform an operation such as 5+8 (1-4) 
    answer choices
    Arithmetic Logic Unit 
    Accumulator 
    Cache 
    Control Unit 
  • Question 28
    30 seconds
    Q. This would reduce the number of memory/processor transfers (5-7) 
    answer choices
    Arithmetic Logic Unit 
    Accumulator 
    Cache 
    Control Unit 
  • Question 29
    30 seconds
    Q. This sends signals such as “I/O Read” (5-7) 
    answer choices
    Arithmetic Logic Unit 
    Accumulator 
    Cache 
    Control Unit 
  • Question 30
    30 seconds
    Q. This sends signals such as “Memory write” (5-7) 
    answer choices
    Arithmetic Logic Unit 
    Accumulator 
    Cache 
    Control Unit 
  • Question 31
    30 seconds
    Q. This doesn’t happen during the Fetch part of the cycle: (7-9) 
    answer choices
    Address Bus is used 
    Program Counter increments by one 
    Arithmetic operations are performed 
    Main Memory is addressed 
  • Question 32
    30 seconds
    Q. This doesn’t happen during the Decode / Execute part of the cycle: (7-9) 
    answer choices
    Current Instruction is held in the CIR 
    Results are held in the Accumulator 
    Status Register updated 
    Instructions are transferred from Main Memory 
  • Question 33
    30 seconds
    Q. What is held in ROM? (1-4) 
    answer choices
    Data currently in use 
    Bootstrap Loader 
    Instructions frequently used 
    Operating System 
  • Question 34
    30 seconds
    Q. This carries address of the next instruction that will be fetched (4-6) 
    answer choices
    Address Bus 
    Data Bus 
    Control Bus 
    System Bus 
  • Question 35
    30 seconds
    Q. What is a property of an Address Bus (4-6) 
    answer choices
    Carries Data and Instructions 
    Uni-Directional 
    Bi-Directional 
    Carries control Signals 
  • Question 36
    30 seconds
    Q. Which component generates addresses(4-6) 
    answer choices
    Processor 
    Main Memory 
    Control Unit 
    Secondary Storage 
  • Question 37
    30 seconds
    Q.  What is transferred down the data bus? (4-6) 
    answer choices
    Data only 
    Addresses only 
    Data and Instructions 
    Data, Instructions and Addresses 
  • Question 38
    30 seconds
    Q. What accurately describes a peripheral? (1-4) 
    answer choices
    A component of a computer system 
    A device that is not directly connected to the CPU 
    A device that is directly connected to the CPU 
    A device that is plugged in 
  • Question 39
    30 seconds
    Q. This is not a type of secondary storage (1-4) 
    answer choices
    Blu-Ray Drive/Disc 
    Flash Memory 
    Hard Disk Drive 
    RAM 
  • Question 40
    30 seconds
    Q. What is the purpose of the accumulator? (4-6) 
    answer choices
    To perform arithmetic operations 
    To hold the results of a calculation 
    To hold the accumulation of instructions that have happened 
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