Page 17 - iPrime_V2.2_class4
P. 17
Crack The Code
Critical Thinking
Number these devices in descending order of their storage capacity.
1. Pen drive 3. CD
2. DVD 4. Hard disk
Hands On Creativity
Make a collage of optical storage devices using Internet pictures.
Subject Enrichment
Type the following in Word
1 byte = 8 bits 1 GB = 1024 MB 1 EB = 1024 PB
1 KB = 1024 bytes 1 TB = 1024 GB 1 ZB = 1024 EB
1 MB = 1024 KB 1 PB = 1024 TB 1 YB = 1024 ZB
Make a list of storage devices in Word.
Storage devices
Primary storage devices:
1. RAM
2. ROM
Secondary storage devices:
1. Magnetic Disk: Hard disk
2. Optical disc: CD, DVD, Blue-Ray disk
3. External Storage Devices: Pen drive,
Memory card
Teacher's Corner
1. Discuss the concept of memory.
2. Talk in general about the development of flash drives from 8 MB to 1 TB.
Computers—Storage and Memory Device 15

