week 7

Question 1

what are the five components of IS?

Answer 1

hardware
software
people
data
process

Question 2

what are the 4 components of hardware?

Answer 2

storage
process
input
output

Question 3

explain the two types of storage.

Answer 3

non-volatile - not at risk of being lost. magnetic disk, solid state, usb.

volatile - can lose data when power is lost. cache and main memory.

Question 4

what is opperating system software?

Answer 4

a set of programs that controls the hardware and provides the interface for applications. windows, android.

Question 5

what is application software?

Answer 5

software developed to help the user perform a task or solve a problem. eg microsoft word.

Question 6

what is firmware?

Answer 6

special software installed on read-only memory. usually only changed by an IS professional. eg printers

Question 7

explain a license.

Answer 7

a right to use a specified number of copies. limited vendor liability.

Question 8

explain a site license.

Answer 8

flat fee to install software on all company computors or all computors at a specific site.

Question 9

explain open sourse.

Answer 9

no licensing fee. the source code is available for free but it may have other costs such as maintenece or a fee to contact the developer.

Question 10

explain a horizontal application.

Answer 10

made for wide general use by various people and industries. e.g. microsoft excel

Question 11

explain a vertical application.

Answer 11

made to suit one industry. eg medical systems, accounting software

Question 12

explain a one-of-a-kind application.

Answer 12

specifically built for one client

Question 13

what are the 5 criteria for evaluating software.

Answer 13

fitness for purpose
ease of learning
ease of use
compatibility
vendor factors (reputation and support)