Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 17
Q261:
How are bits stored in flash drives?
A. By using magnetic fields
B. By trapping electrons in silicon dioxide
C. By applying laser beams
D. By moving read/write heads
Correct Answer:
B
Chapter: 17
Q262:
What is a common limitation of flash drives compared to main memory?
A. They are slower
B. They have smaller capacity
C. They cannot be used for long-term storage
D. They are more expensive
Correct Answer:
C
Chapter: 17
Q263:
What is one advantage of SSDs over magnetic disks?
A. Lower cost
B. Higher capacity
C. Quiet operation and low access time
D. Longer durability
Correct Answer:
C
Chapter: 17
Q264:
Which type of storage card provides up to 32 GB of storage?
A. SD
B. SDHC
C. SDXC
D. MicroSD
Correct Answer:
B
Chapter: 17
Q265:
Which type of storage card may exceed to TB of storage?
A. SD
B. SDHC
C. SDXC
D. CompactFlash
Correct Answer:
C
Chapter: 17
Q266:
What happens to the silicon dioxide chambers in flash drives over time?
A. They get upgraded
B. They become more efficient
C. They get damaged due to repeated erasing
D. They increase in size
Correct Answer:
C
Chapter: 17
Q267:
What is a primary use case for flash drives?
A. Main memory replacement
B. Long-term archival storage
C. Portable data storage
D. High-capacity server storage
Correct Answer:
C
Chapter: 17
Q268:
Why are SSDs generally more expensive than magnetic disks?
A. Higher production cost
B. Lower capacity
C. Less durability
D. More complex technology
Correct Answer:
A
Chapter: 17
Q269:
Which type of flash drive is typically used in cameras and smartphones?
A. SSD
B. SDHC
C. MicroSD
D. CompactFlash
Correct Answer:
B
Chapter: 17
Q270:
Flash drives are most suitable for which of the following?
A. High-performance computing
B. Long-term data storage
C. Portable devices with controlled data alterations
D. Main memory replacement
Correct Answer:
C
Chapter: 17
Q271:
What does SDXC stand for?
A. Secure Digital Extra Capacity
B. Standard Digital Extended Capacity
C. Secure Digital Extended Capacity
D. Standard Digital Extra Capacity
Correct Answer:
C
Chapter: 17
Q272:
Why are optical systems considered slower than magnetic systems?
A. They have higher storage capacities
B. They require physical motion and aiming of laser beams
C. They are more reliable
D. They have lower cost
Correct Answer:
B
Chapter: 17
Q273:
What is the typical storage capacity range for Secure Digital Memory Cards?
A. Up to 1 GB
B. Up to 10 GB
C. Up to 32 GB
D. Up to 1 TB
Correct Answer:
C
Chapter: 17
Q274:
How does the data retrieval speed of flash drives compare to magnetic and optical systems?
A. Faster
B. Slower
C. The same
D. Variable
Correct Answer:
A
Chapter: 17
Q275:
What makes SSDs advantageous over traditional magnetic disks in terms of operation?
A. Higher noise level
B. Increased access time
C. Quiet operation
D. Higher energy consumption
Correct Answer:
C
Chapter: 18
Q276:
How many bits are typically used to represent each character in ASCII?
A. 6
B. 7
C. 8
D. 9
Correct Answer:
C
Chapter: 18
Q277:
What organization developed the ASCII standard?
A. ANSI
B. ISO
C. IEEE
D. NIST
Correct Answer:
A
Chapter: 18
Q278:
How many characters can be represented using standard ASCII?
A. 64
B. 128
C. 256
D. 512
Correct Answer:
B
Chapter: 18
Q279:
What is the primary limitation of ASCII code?
A. It is too complex
B. It only supports 128 characters
C. It cannot represent any characters
D. It is not supported by most devices
Correct Answer:
B
Chapter: 18
Q280:
Which code system was developed to address the limitations of ASCII for global languages?
A. ASCII
B. UTF-8
C. Unicode
D. EBCDIC
Correct Answer:
C