SAMPLE FORMAT FOR MAKUT STUDENT CA1 PPT PRESENTATION

SAMPLE FORMAT FOR MAKUT STUDENT CA1 PPT PRESENTATION

1. STORAGE DEVICES OF COMPUTER
Presented By
Name :
Roll No :
Paper Name :
Paper Code :
Semester :
Department :
Institute of Science &
Technology
CA1 Examination For Odd Semester-2023

2. TABLE OF CONTENT
•Storage capacity
•Relationship between measurement
•Activity
•Storage devices used in a computer
•Main store (computer memory)
•Ram
•Internal backing store-hard disk
•MAGNETIC STORAGE medium-floppy disks
•Magnetic storage medium-hard drives
•References

3. STORAGE CAPACITY
•Storage capacities and file sizes are measured
from lowest to highest in:
•bits
•bytes
•kilobytes
•megabytes
•gigabytes
•Terabytes

4. Relationship between measurement
8 bits 1 byte
1024 bytes 1 kilobyte
1024 kilobytes 1 megabyte
1024 megabytes 1 gigabyte
1024 gigabytes 1 terabyte
1000 Terabyte 1 Petabyte1000 Terabyte 1Petabyte

5. ACTIVITY
PLACE THE FOLLOWING MEASURING UNIT IN TERMS
OF THEIR STORAGE CAPACITY FROM SMALLEST TO
LARGEST
•bits
•Kilobytes
•Gigabytes
•Terabytes
•Megabytes
•Bytes

6. STORAGE DEVICES USED IN A
COMPUTER
•A computer uses two types of storage.
•A main store consisting of ROM and RAM,
and
•backing stores which can be internal, eghard
disk, or external, ega CD or USB flash drive.

7. MAIN STORE (COMPUTER MEMORY)
•Main store (or computer memory) is divided into
Read Only Memory (ROM) and Random Access
Memory (RAM).
•ROM (NON VOLATILE MEMORY)
•ROMis memory that cannot be changed by a
program or user. ROM retains its memory even
after the computer is turned off. For example,
ROM stores the instructions for the computer to
start up when it is turned on again.

8. RAM
RAM (VOLATILE MEMORY)
•In the case of RAM, it is volatile (this means
that when power is switched off all of the data
in the memory disappears). Main memory is
used to store data whilst it is being processed
by the CPU. Data can be put into memory, and
read back from it, very quickly.

9. INTERNAL BACKING STORE-HARD DISK
•The main internal backing store is a computer's hard
disk.
•A hard disk stores:
the operating system
softwareapplications or programs
the majority of your data files
Note: Hard disks store large amounts of data -200GB to
1TB is common in desktop computers. The data stored
on a hard disk is retained until deleted, but it needs to
be loaded into main store RAM before it can be used.

10. MAGNETIC STORAGE MEDIUM-Floppy disks
oFloppy disks hold very small amounts of
data, just 1.44MB and a computer needs a
floppy drive to read them.
oThey are used to:
transfer small files of data from
one machine to another
backup important small files that are
stored on your hard disk
store restricted files that you don't want
other users of your computer seeing

11. MAGNETIC STORAGE MEDIUM-HARD
DRIVES
•Hard Drives-There are two types of Hard Drives.
One is Internal that we studied earlier. The other
is an Portable Hard Drive.
•A portable hard-drive is one that is placed into a
small casealong with some electronics that allow
the hard-drive to be accessed using a USBor
similar connection.
Portable hard-drives allow very large amounts of
datato be transportedfrom computer to
computer.
•HARD DRIVES ARE RANDOM ACCESS DEVICES

12. References
[1] Yang, J. Q., Zhou, Y., & Han, S. T. (2021). Functional applications of future
data storage devices.Advanced Electronic Materials,7(5), 2001181.
[2] Yang, L. X., & Yang, X. (2012). The spread of computer viruses under the
influence of removable storage devices.Applied Mathematics and
Computation,219(8), 3914-3922.
[3] Douglis, F., Caceres, R., Kaashoek, M. F., Krishnan, P., Li, K., Marsh, B., &
Tauber, J. (1996). Storage alternatives for mobile computers.Mobile
Computing, 473-505.
[4] Schlosser, S. W., Griffin, J. L., Nagle, D. F., & Ganger, G. R. (2000).
Designing computer systems with MEMS-based storage.ACM SIGARCH
Computer Architecture News,28(5), 1-12.