This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When using the sequential file organization, the addition of rows requires rewriting the file. ... (Read 163 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
on: Jul 7, 2018
When using the sequential file organization, the addition of rows requires rewriting the file.
 
  Indicate whether the statement is true or false

Question 2

Referencing use-case modeling, a source is an external entity that interacts with the system.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alexanderhamilton

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 7, 2018
Answer to Question 1

TRUE
Explanation: In a sequential file organization, the rows in the file are stored in sequence according to a primary key value. Adding a row requires rewriting the file.
CL

Answer to Question 2

FALSE
Explanation: An actor is an external entity that interacts with the system (similar to an external entity in data-flow diagramming).
CL


saliriagwu

  • Member
  • Posts: 537
Reply 2 on: Jul 7, 2018
Wow, this really help

bbburns21

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Leaf organization Leaf organization
The organization of mRNA as a translational unit The organization of mRNA as a translational unit
Xenophon (430–357 B.C.E.) Biographer of Socrates and his student as a youth. In addition to four ... Xenophon (430–357 B.C.E.) Biographer of Socrates and his student as a youth. In addition to four ...
Client files are kept in alphabetical order in locked file cabinets. Client files are kept in alphabetical order in locked file cabinets.
The flow of energy and the cycling of materials maintain nature’s organization The flow of energy and the cycling of materials maintain nature’s organization
Addition sentences Grade 1 math Addition sentences Grade 1 math
Video: HIV Infection: Viral life cycle

For a complete list of videos, visit our video library