System Analysis and Design
The time lag, between the keying of the last character on the keyboard input and the appearance of the first output character on the screen, is known as

System review
response time
batch Processing
None of these
Key

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
Indexed-Sequential organization

uses an index for each key type
has records placed randomly throughout the file
means storing records in contiguous blocks according to a key
stores records sequentially but uses an index to locate records

ANSWER DOWNLOAD EXAMIANS APP