Answer:
Processor
Explanation:
The processor handles large amounts of logical information (not storage or graphical), since this is what he is struggling with he likely needs a better CPU.
Organization and access method.
Hope this helped! :)
- Jujufire
Answer and Explanation:
E-commerce and e-business is a major business of the present time using the internet. It is basically defined as the online selling of goods or making any business online. Internet is the basic requirement for the e-commerce or e-business as
- it helps in providing the internet connectivity so that the e-business can be displayed online and users can buy goods or interact with seller regarding the business.
- Due to internet service users get to know about the online business and thus the business attains economic growth and benefit.
Answer:
Primary memory is directly accessible by Processor/CPU. Secondary memory is not directly accessible by the CPU. ... The memory devices used for primary memory are semiconductor memories. The secondary memory devices are magnetic and optical memories
Answer:
Giving that: The following is a sequence of undo-log records written by 2 transactions T and U:
< START T >;
< T,A,10 >;
< START U >;
< U, B, 20 >;
< T, C, 30 >;
< U, D, 40 >;
< Commit U >;
< T, E, 50 >;
< Commit T >;
1. < START U >
Recovery action in this case will be undo(-1) and undo(0). All restored to its original Value
log records < T, A, 10 >, < T, abort >; as written out
2. < T, E, 50 >
Recovery action in this case will be undo(8) and redo(0). A and C is restored to its original value, B and D are set to 20 and 40
log records <T, C, 30 >, < T, A, 10 >, < T, abort > are written out
3. < Commit T >
Recovery action in this case will be redo(7) and redo(4). A and C are set to 10 and 30, B and D are set to 20 and 40
