Let's solve each question in the worksheet step by step and explain the answers.
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I. FILL IN THE BLANKS:
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1) RAM is a ____________ memory.
Answer: Volatile
Explanation: RAM (Random Access Memory) is volatile memory, meaning it loses its data when the power is turned off.
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2) 1 Terabyte = ____________ GB (gigabytes)
Answer: 1024
Explanation: According to the data storage chart provided:
- 1 Terabyte (TB) = 1024 Gigabytes (GB)
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3) ____________ is the smallest unit of a computer.
Answer: Bit
Explanation: A bit (binary digit) is the smallest unit of data in a computer. It can have only two values: 0 or 1.
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4) 1 Byte = ____________
Answer: 8 bits
Explanation: One byte consists of 8 bits. This is standard in computing.
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5) ____________ and ____________ are the two types of memory.
Answer: Primary memory and Secondary memory
Explanation: Computer memory is broadly classified into two types:
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Primary memory: Directly accessible by the CPU (e.g., RAM, ROM)
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Secondary memory: External storage (e.g., Hard Disk, USB, SSD)
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6) A computer’s memory is measured in ______ and ________.
Answer: Bytes and Bits
Explanation: Memory is measured in units like bits and bytes, and larger units such as KB, MB, GB, etc., all based on these.
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7) ____________ and ____________ are two types of primary memory.
Answer: RAM and ROM
Explanation: Primary memory includes:
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RAM (Random Access Memory) – used for temporary storage
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ROM (Read-Only Memory) – stores permanent data like firmware
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8) Primary memory is divided into two parts: ____________ and ____________
Answer: RAM and ROM
Explanation: As above, primary memory consists of RAM and ROM.
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9) Memory which is inside the computer is called ____________
Answer: Primary memory
Explanation: Memory that is directly accessible by the CPU and located inside the computer (like RAM and ROM) is known as primary memory.
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10) Memory which is outside the computer is called ____________
Answer: Secondary memory
Explanation: External storage devices like hard drives, pen drives, CDs, etc., are part of secondary memory.
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✔ Final Answers:
1)
Volatile
2)
1024
3)
Bit
4)
8 bits
5)
Primary memory and
Secondary memory
6)
Bytes and
Bits
7)
RAM and
ROM
8)
RAM and
ROM
9)
Primary memory
10)
Secondary memory
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Parent Tip: Review the logic above to help your child master the concept of 4th grade memory worksheet.
