An operating system for a computer is software that help all the computer's software and hardware understand each other. It manages all the parts of the computer, without the operating system the computer can not do anything
ANSWER:
1)i. The relationship is a degree of 2 ( i.e Binary). The cardinality of the relationship is One-to-Many.
ii. The model is from piano description to piano manufacturer.
PIANO:
Model name
Model number
Serial number
Manufacturing completion date
MANUFACTURER:
Ebony and Ivory
2)i. The relationship is a degree of 2 ( i.e Binary). The cardinality of the relationship is Many-to-Many.
ii. The model is from piano description to Technician.
PIANO:
Model name
Model number
Serial number
Manufacturing completion date
TECHNICIAN
Employee number
Specialty
3)i. The relationship is a degree of 2 (i.e Binary). The cardinality of the relationship is Many-to-One.
ii. The model is from Technician to Technician
TECHNICIAN:
Lower rank
TECHNICIAN:
Higher rank
Answer:
what do you like about this school?
what do you think we should do Differently
what club would you take?
Answer:
c) 2^32 times as many values can be represented.
Explanation:
It's funny, this problem comes from a real-life situation, except it wasn't really foreseen :-) And we will encounter a similar problem in less than 20 years.
The difference in terms of storage capacity from 32-bit integers and 64-bits integers is huge.
A 32-bit integer can store (signed) numbers up to 2,147,483,647. (so over 2 BILLIONS)
A 64-bit integer can store (signed) numbers up to 9,223,372,036,854,775,807 (9 BILLIONS of BILLONS)
