Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 15
Q241:
What is the primary disadvantage of using mass storage systems?
A. High volatility
B. Limited size
C. Slow access time
D. High cost
Correct Answer:
C
Chapter: 16
Q242:
What is the primary storage format used by CDs for data?
A. Magnetic
B. Optical
C. Electronic
D. None of these
Correct Answer:
B
Chapter: 16
Q243:
What is the diameter of a standard Compact Disk (CD)?
A. 10 cm
B. 12 cm
C. 15 cm
D. 18 cm
Correct Answer:
B
Chapter: 16
Q244:
How is data stored on a CD?
A. By magnetic charges
B. By laser etching
C. By creating variations in reflective surfaces
D. By storing electrons in silicon
Correct Answer:
C
Chapter: 16
Q245:
What is the storage capacity of a standard sector on a CD?
A. 1 KB
B. 2 KB
C. 4 KB
D. 512 bytes
Correct Answer:
B
Chapter: 16
Q246:
Which of the following formats was initially used for audio recording on CDs?
A. CD-ROM
B. CD-DA
C. CD-RW
D. DVD-Audio
Correct Answer:
B
Chapter: 16
Q247:
What type of data storage is best suited for long continuous strings of data?
A. Magnetic systems
B. Optical systems
C. Flash drives
D. SSDs
Correct Answer:
B
Chapter: 16
Q248:
What feature allows DVDs to store more data than CDs?
A. Smaller size
B. Higher rotation speed
C. Multiple semi-transparent layers
D. Different material
Correct Answer:
C
Chapter: 16
Q249:
Which type of light spectrum is used by Blu-ray Discs (BDs) for data reading?
A. Red
B. Infrared
C. Blue-violet
D. Ultraviolet
Correct Answer:
C
Chapter: 16
Q250:
How much more capacity does a Blu-ray Disc (BD) provide compared to a DVD?
A. Two times
B. Three times
C. Five times
D. Ten times
Correct Answer:
C
Chapter: 16
Q251:
What is a major limitation of magnetic and optical systems compared to flash drive technology?
A. Limited capacity
B. Physical motion required
C. High cost
D. Limited lifespan
Correct Answer:
B
Chapter: 16
Q252:
How are bits stored in flash drive technology?
A. Using magnetic fields
B. By creating variations on reflective surfaces
C. By trapping electrons in silicon dioxide chambers
D. Using optical light
Correct Answer:
C
Chapter: 16
Q253:
Which of the following is a drawback of flash drives?
A. Cannot be erased
B. Damages silicon chambers with repeated erasing
C. Requires external power
D. High cost
Correct Answer:
B
Chapter: 16
Q254:
Which storage device is NOT suitable as a replacement for main memory?
A. SSD
B. SD Card
C. Flash drive
D. Magnetic disk
Correct Answer:
C
Chapter: 16
Q255:
What makes SSDs more efficient compared to magnetic disks?
A. Higher capacity
B. Quieter operations and low access time
C. Easier to manufacture
D. Cheaper
Correct Answer:
B
Chapter: 16
Q256:
What does SDHC stand for?
A. Secure Digital High Capacity
B. Standard Digital High Capacity
C. Secure Disk High Capacity
D. Solid-state Drive High Capacity
Correct Answer:
A
Chapter: 16
Q257:
What is the maximum capacity provided by SDXC cards?
A. 64 GB
B. 128 GB
C. 512 GB
D. 1 TB
Correct Answer:
D
Chapter: 16
Q258:
Which storage devices are commonly used in car navigation and cameras due to their compact size?
A. SSDs
B. SD cards
C. Flash drives
D. DVDs
Correct Answer:
B
Chapter: 16
Q259:
What is the key difference between SDHC and SDXC cards?
A. Physical size
B. Storage capacity
C. Data transfer speed
D. Durability
Correct Answer:
B
Chapter: 17
Q260:
What is a key issue with magnetic and optical storage systems?
A. High cost
B. Physical motion required
C. Low storage capacity
D. Complex data retrieval
Correct Answer:
B