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ICSE Class 4  >  Class 4 Notes  >  Computer Studies   >  Worksheet: Computer: Storage and Memory Device

Worksheet: Computer: Storage and Memory Device

Multiple Choice Questions (MCQs)

Q1: What is data?
(a) Organized information
(b) Unorganized facts and figures
(c) Only numbers
(d) Only pictures

Q2: What is the smallest unit of data in a computer?
(a) Byte
(b) Kilobyte
(c) Bit
(d) Megabyte

Q3: Which memory is temporary and gets erased when the computer is switched off?
(a) ROM
(b) RAM
(c) Hard disk
(d) CD

Multiple Choice Questions (MCQs)

Q4: Which device is fixed inside the computer and not easily removable?
(a) Pen Drive
(b) CD
(c) Hard Disk
(d) Memory Stick

Q5: Which of the following uses a blue laser to read data?
(a) DVD
(b) CD
(c) Pen drive
(d) Blu-ray Disk

Multiple Choice Questions (MCQs)

Fill in the Blanks

Q1: Information is ________ data.

Q2: A group of 8 bits is called a ________.

Q3: ________ memory stores data permanently and is not erased when the computer is off.

Q4: A CD can store nearly ________ MB of data.

Q5: A pen drive is also called a ________ drive.

Fill in the Blanks

True or False

Q1: Data is already processed and meaningful.

Q2: RAM allows users to both read and write data.

Q3: Secondary memory keeps data safe even when the computer is turned off.

Q4: A memory stick is used only inside the computer and cannot be removed.

Q5: DVDs have lower storage capacity than CDs.

Short Question Answers

Q1: What is the difference between data and information?

Q2: Why do computers need secondary memory?

Q3: What is RAM used for?

Q4: What is ROM and why is it important?

Q5: What is a pen drive used for?

Match the Following

Match the Following

You can access the solutions to this Worksheet here.

The document Worksheet: Computer: Storage and Memory Device is a part of the Class 4 Course Computer Studies Class 4 ICSE.
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FAQs on Worksheet: Computer: Storage and Memory Device

1. What are storage devices in computers?
Ans. Storage devices in computers are hardware components used to store digital data. They can be classified into primary storage, such as RAM, and secondary storage, such as hard drives and solid-state drives. Primary storage is temporary and fast, while secondary storage is permanent and slower.
2. What is the difference between RAM and ROM?
Ans. RAM (Random Access Memory) is a type of volatile memory that temporarily holds data and instructions for the CPU to access quickly while a computer is running. ROM (Read-Only Memory), on the other hand, is non-volatile and stores essential system firmware that is not lost when the computer is turned off.
3. Why is data backup important?
Ans. Data backup is important because it protects against data loss due to hardware failure, accidental deletion, or malicious attacks. Regular backups ensure that important information can be restored, thus maintaining data integrity and continuity of operations.
4. Can you explain what a hard disk drive (HDD) is?
Ans. A hard disk drive (HDD) is a type of secondary storage device that uses magnetic storage to store and retrieve digital information. It consists of spinning disks coated with magnetic material and read/write heads that move over the disks to access data.
5. What are solid-state drives (SSDs) and how do they differ from HDDs?
Ans. Solid-state drives (SSDs) are storage devices that use flash memory to store data, making them faster and more reliable than traditional hard disk drives (HDDs), which rely on mechanical parts. SSDs have no moving parts, resulting in quicker data access times and lower power consumption.
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Apr 19, 2026 Last updated
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