Computer Fundamentals and Hardware
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Computer Fundamentals and Hardware - sample questions with answers
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1. By what other name is Flash memory also known?
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Answer: Flash RAM
Flash memory is also known as Flash RAM.
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2. The fourth generation of computers was primarily based on which system?
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Answer: GUI based operating systems
The fourth generation of computers was based on GUI based operating systems.
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3. Which of the following is a low-level programming language?
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Answer: Machine Language
Machine language is a low-level programming language because it is directly understood by the hardware.
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4. What is the decimal value of the character 'a' in ASCII representation?
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Answer: 97
In ASCII code, the value of the lowercase letter 'a' is 97.
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5. Which of the following options contains only graphical file extensions?
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Answer: JPG, GIF, BMP
JPG, GIF, and BMP are graphical file extensions.
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6. Which disk can store more data compared to a DVD?
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Answer: Blue Ray Disk
A Blue Ray Disk stores more data than a DVD.
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7. What is the main characteristic of micro computers?
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Answer: Being as compact as possible
Micro computers are designed to be as compact as possible.
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8. Which type of computer is used in large organizations such as banking, railways, and airlines?
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Answer: Mainframe Computer
Mainframe computers are used in banking, railways, and airlines because they can process massive amounts of data.
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9. Which technology is used in optical mice?
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Answer: LED
Optical mice use Light Emitting Diodes (LED).
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10. Which RAM must be refreshed multiple times per second to maintain its data?
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Answer: Dynamic RAM
Dynamic RAM must be refreshed periodically because the capacitors used to store data leak charge over time.
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11. Which type of access medium does magnetic tape use?
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Answer: Sequential-access
Magnetic tape is a sequential-access medium.
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12. What type of storage does a hard disc drive provide?
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Answer: Non-volatile storage
Hard disc drives provide non-volatile storage, meaning data is retained even when power is removed.
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13. Which unit is used to measure the speed of a computer?
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Answer: Gigahertz
Computer speed is measured in Gigahertz (GHz).
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14. What is the circuitry that responds to and processes basic instructions to drive a computer system called?
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Answer: Processor
A processor is the circuitry that responds to and processes basic instructions to drive a computer system.
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15. Which memory unit can a processor access most rapidly?
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Answer: Cache memory
Cache memory is the memory unit that a processor can access most rapidly.
This chapter has 572 questions. Practise them all with timing, answers and explanations.