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ICT 6A - Storage/ Memory
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5. Which relationship represents each person having a unique passport?**
 
One-to-One
 
One-to-Many
 
Many-to-Many
 
None of the above
Put the following units of storage into the correct order, starting with the smallest first and going down to the largest. (1. Kilobyte 2. Byte 3. Megabyte 4. Terabyte 5. Gigabyte 6. Bit)
Bit, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte
1 byte is 8 bits, so 1 megabyte is 8 megabits
 
True
 
false
What do you call the smallest unit of data which can be stored in a computer?
 
bit
 
byte
 
megabyte
 
gigabyte
Think of a teacher and students in a class. One teacher teaches many students, but each student has only one main class teacher.
 
One-to-Many (1:M) Relationship
 
One-to-One (1:1) Relationship
 
Many-to-Many (M:M) Relationship
Imagine you have a box, and inside that box, there's only one toy. Each box has its own unique toy, and no two boxes have the same toy.
 
This is a one-to-one relationship:
 
One-to-Many (1:M) Relationship
 
Many-to-Many (M:M) Relationship
how many bits are in a byte?
1 byte has 8 bits. WHY?
Whats is a bit?
fundamental unit of information in computing and digital communications. The word "bit" is a contraction of "binary digit." It can have one of two values: 0 1
Whats this?
internal harddisk
Whats this?
External harddisk
Whats this?
RAM (RAndom Access Memory), computer short term memory
What can you do to make your computer faster?
Add RAM, use an SSD instead of a HDD.
Which size refers to memory and which to storage? 4GB and 50GB
Memory: 4GB Storage: 500GB
What is the difference between Online storage and Cloud computing?
Cloud computing: programs run on a server on the internet VS accessing stored files
Name 3 disadvantages of Online Storage:
Bandwidth to upload and download, Internet connectivity needed, Slow to upload large files, Volatile - company security.
Name 3 advantages of Online Storage
Accessibility, Updated changes, Sharing, Backup
Name 3 examples of online storage services:
OneDrive, Dropbox, Google Drive
Which is faster: HDD or SSD?
SSD
SSD stands for:
Solid State Drive
SSD is an example of Memory / Storage?
Storage
RAM stands for:
Random Access Memory
RAM refers to:
Memory
Name two characteristics of MEMORY
Only while computer is on, Electronic, Fast, Volatile
Name two characteristic of STORAGE
Permanent, Magnetic, Slow, Non-volatile
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