Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 14
Q221:
What is the function of a memory address in a computer?
A. To store multiple bits
B. To identify and access individual memory cells
C. To increase memory size
D. To manage power consumption
Correct Answer:
B
Chapter: 14
Q222:
Which of the following best describes RAM?
A. Stores data permanently
B. Is used only for processing
C. Can be accessed in any order
D. Requires sequential access
Correct Answer:
C
Chapter: 14
Q223:
What happens if a memory cell in RAM is not refreshed in DRAM?
A. It will store data permanently
B. It will lose its stored data
C. It will become read-only
D. It will increase speed
Correct Answer:
B
Chapter: 14
Q224:
In byte size organization, which side typically represents the least significant bits?
A. Left side
B. Right side
C. Middle
D. Both sides
Correct Answer:
B
Chapter: 14
Q225:
What is the primary difference between DRAM and SDRAM?
A. DRAM is faster
B. SDRAM applies additional techniques to decrease retrieval time
C. DRAM consumes less power
D. SDRAM is used in portable devices
Correct Answer:
B
Chapter: 15
Q226:
What is the primary advantage of mass storage systems over main memory?
A. Higher speed
B. Less volatility
C. Lower cost
D. Easier access
Correct Answer:
B
Chapter: 15
Q227:
Which of the following is NOT a type of mass storage system?
A. Magnetic disks
B. Flash drives
C. RAM
D. CDs
Correct Answer:
C
Chapter: 15
Q228:
What does a magnetic disk use to hold data?
A. Electric charge
B. Magnetic coating
C. Optical light
D. Silicon chips
Correct Answer:
B
Chapter: 15
Q229:
In a disk storage system, what is the function of the Read/Write Heads?
A. Spin the disk
B. Hold data
C. Read and write data
D. Divide tracks
Correct Answer:
C
Chapter: 15
Q230:
What is a track in a disk storage system?
A. A circular path on the disk
B. A sector of the disk
C. The entire disk surface
D. The head's movement path
Correct Answer:
A
Chapter: 15
Q231:
What is typically used to divide a track in a disk storage system?
A. Zones
B. Sectors
C. Heads
D. Bytes
Correct Answer:
B
Chapter: 15
Q232:
How much data can a typical sector on a disk hold?
A. 128 bytes
B. 256 bytes
C. 512 bytes
D. 1024 bytes
Correct Answer:
C
Chapter: 15
Q233:
In zoned-bit recording, what do adjacent tracks form?
A. Sectors
B. Zones
C. Tracks
D. Disks
Correct Answer:
B
Chapter: 15
Q234:
How many zones does a typical disk contain in zoned-bit recording?
A. 5 zones
B. 8 zones
C. 10 zones
D. 12 zones
Correct Answer:
C
Chapter: 15
Q235:
What is the term for the time required to move the read/write heads from one track to another?
A. Rotation delay
B. Seek time
C. Access time
D. Transfer rate
Correct Answer:
B
Chapter: 15
Q236:
What is rotation delay?
A. Time to move the read/write heads
B. Time for data to rotate to the head
C. Time to transfer data
D. Time to divide the track
Correct Answer:
B
Chapter: 15
Q237:
What does access time in a disk storage system include?
A. Only seek time
B. Only rotation delay
C. Seek time and rotation delay
D. Transfer rate
Correct Answer:
C
Chapter: 15
Q238:
What does the transfer rate in a disk storage system refer to?
A. Time to move heads
B. Speed of the disk rotation
C. Rate of data transfer
D. Number of zones
Correct Answer:
C
Chapter: 15
Q239:
Why do outer tracks on a magnetic disk contain more information?
A. They spin faster
B. They are closer to the read/write head
C. They are longer
D. They are less volatile
Correct Answer:
C
Chapter: 15
Q240:
What type of storage allows removal of the medium from the machine for archival purposes?
A. Main memory
B. Mass storage
C. RAM
D. Cache memory
Correct Answer:
B