Answer:
The capacity of the disk is "40 GB".
Explanation:
Given value:


                                             

                                                

                                                      
Cache memory is often used to speed up the runtime. It will enable us to improve performance unless we can store information, that is retrieved constantly in memory space. 
- Hit Cache: when the Processor relates to representing database data, Cache Hit results. 
- Miss Cache: when this Processor responds to a non-present cache data, this will trigger its miss of cache.
- It doesn't have to retrieve the Main Memory through secondary storage.
 
        
             
        
        
        
local stores in neighborhood do not have computerized cash registers but they may have cameras if they are in a bad neighborhood. inventory is controlled by checking the shelves.
the Qs about computers, servers and clients are for national chain stores. they use clients at each store which are connected to the central servers at HQ. employees need special training as the system is complicated. the whole system is maintained by their IT department.
 
        
                    
             
        
        
        
Answer:
A. 0
Explanation:
RAID level zero refers to disk arrays with striping at the level of blocks, but without any redundancy. 
RAID ZERO (disk striping) : This is the process of dividing a body of data into blocks and also spreading the data blocks across multiple storage devices, such as hard disks or solid-state drives (SSDs), in a redundant array of independent disks (RAID) group.