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Questions and Answers
What is the speed of a computer in processing instructions?
What is the speed of a computer in processing instructions?
- Thousands of instructions per second
- Hundreds of instructions per second
- Billions of instructions per second
- Millions of instructions per second (correct)
How does a computer's memory compare to that of human beings?
How does a computer's memory compare to that of human beings?
- Superior (correct)
- Inferior
- Unrelated
- Equal
What is the accuracy of computers in performing calculations?
What is the accuracy of computers in performing calculations?
- 80%
- 100% (correct)
- 70%
- 90%
What is the time taken by computers for their operations?
What is the time taken by computers for their operations?
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What characteristic allows a computer to perform different kinds of works with the same accuracy and efficiency?
What characteristic allows a computer to perform different kinds of works with the same accuracy and efficiency?
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Study Notes
Speed of Computers
- Computers process instructions at remarkably high speeds, often measured in gigahertz (GHz), with modern processors executing billions of cycles per second.
Memory Comparison
- Computer memory far exceeds that of human beings, with typical systems having several gigabytes (GB) to terabytes (TB) of RAM, while human memory is estimated in terms of capacity rather than bytes.
Accuracy in Calculations
- Computers boast near-perfect accuracy when performing calculations, with error rates much lower than those of humans, particularly in repetitive tasks or complex computations.
Time Taken for Operations
- Operations in computers are completed in nanoseconds, allowing for rapid execution of tasks compared to the slower cognitive processing speed of humans.
Versatility and Efficiency
- The architecture of computers, including their ability to execute various types of programs, enables them to perform different tasks with consistent accuracy and efficiency across a wide range of applications.
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