IT602 MCQs

IT602 Infrastructure Architecture MCQs

Which amount of new data is generated worldwide each day?

1. 5 petabytes
2. 10 petabytes
3. 15 petabytes
4. 50 petabytes

Answer: C) 15 petabytes

How often does the total amount of digital data approximately double?

1. Every year
2. Every two years
3. Every five years
4. Every ten years

Answer: B) Every two years

Which storage medium was used in early computers?

1. SSD
2. Hard disk
3. Punched cards
4. Blu-ray disks

Answer: C) Punched cards

Paper tape stores data using: A. Magnetic fields B. Laser beams C. Electrical charges D. Holes in paper

Answer: D

Drum memory was widely used during which period?

1. 1930s–1940s
2. 1950s–1960s
3. 1970s–1980s
4. 1990s–2000s

Answer: B) 1950s–1960s

Drum memory stores data using: A. Optical technology B. Magnetic coating C. Flash memory D. Semiconductor chips

Answer: B

What was the storage capacity of drum memory?

1. 5 MB
2. 2 MB
3. 62 KB
4. 300 GB

Answer: C) 62 KB

Which was the first commercial digital disk storage system?

1. IBM 726
2. DEC DLT
3. IBM RAMAC 350
4. LTO

Answer: C) IBM RAMAC 350

In which year was IBM RAMAC 350 introduced?

1. 1952
2. 1956
3. 1964
4. 1970

Answer: B) 1956

What was the storage capacity of IBM RAMAC 350?

1. 62 KB
2. 2 MB
3. 5 MB
4. 10 MB

Answer: C) 5 MB

How many disks were used in IBM RAMAC 350?

1. 10
2. 20
3. 30
4. 50

Answer: D) 50

What was the approximate weight of IBM RAMAC 350?

1. 100 kg
2. 500 kg
3. 1 ton
4. 5 tons

Answer: C) 1 ton

Over time, hard disk size has: A. Increased B. Remained same C. Shrunk D. Become unstable

Answer: C

Which improvement reduced seek times in hard disks?

1. Stepper motors
2. Servo-controlled heads
3. Optical sensors
4. Flash controllers

Answer: B) Servo-controlled heads

The IBM 726 is associated with which storage technology?

1. Hard disk
2. Magnetic tape
3. SSD
4. Optical disk

Answer: B) Magnetic tape

What was the storage capacity of IBM 726 per tape reel?

1. 500 KB
2. 1 MB
3. 2 MB
4. 5 MB

Answer: C) 2 MB

Magnetic reel tapes were mainly used until: A. 1960s B. 1970s C. Late 1980s D. 2000s

Answer: C