IT

Question 1

IT Seg of Duties

Answer 1

Operator, Programming, Library

Question 2

What is a system analyst?

Answer 2

Designs or purchase IT system

Question 3

What is a system adminiatrstor

Answer 3

controls database access

Question 4

What is system programmer?

Answer 4

Writes, tests, updates software

Question 5

What is a systems operator

Answer 5

schedule and monitor jobs, runs IT desk

Question 6

AIS

Answer 6

processes transsactions

Question 7

EIS

Answer 7

for executives

assist with strategy only

Question 8

Expert System

Answer 8

computer uses reasoning

structured

Question 9

DSS

Answer 9

computer provides data

human interpretation needed

Question 10

What is a file server

Answer 10

stores shared programs

Question 11

Local Area Network

Answer 11

connects in close proximity

Question 12

Wide Area Network

Answer 12

connects computers that are far apart

Question 13

VAN

Answer 13

private 3rd party handles EDI
very costly
slow (batch)
more secure

Question 14

What is a virus

Answer 14

Host needed

takes over a computer

Question 15

What is a worm

Answer 15

No host needed

takes over muliptle computers

Question 16

RAM

Answer 16

Internal Memory

Question 17

CPU

Answer 17

processes commands with computer

Question 18

Input device exmaples

Answer 18

Keyboard
Mouse
scanner
EDI
Point of sale

Question 19

What are parity checks

Answer 19

detects internal errors

Question 20

What are echo checks

Answer 20

transmitted data is returned to sender

Question 21

Bit

Answer 21

1-on

0-off

Question 22

Byte

Answer 22

8 bits=1 character

Question 23

Field

Answer 23

Group of related chracters

Question 24

Record

Answer 24

group of fields

Question 25

File

Answer 25

group of records

Question 26

Who are disgn engineers

Answer 26

determine language for computer

Question 27

Online Analytical Processing

Answer 27

uses data warehouse to support decision

Question 28

Internet

Answer 28

less secure faster less expensive public

Question 29

Batch Processing

Answer 29

updated at once | better audit trail

Question 30

Hash input toal

Answer 30

sum of meaningless numbers

Question 31

Validity check

Answer 31

compares data to existing tables | Does certain answer belong?

Question 32

Limit check

Answer 32

cant surpass a certain limit

Question 33

Check Digit

Answer 33

adds an identificaiton number to a set of digits

Question 34

Field Check

Answer 34

prevents invalid characters

Question 35

Cold Site

Answer 35

Off site location that has all electrical connections and other requirements for data processing-no actual equipment

Question 36

Hot site

Answer 36

setup immediately

Question 37

Data Definition Language

Answer 37

defines database | controls tables

Question 38

Data Manipulation Language

Answer 38

queries tables

Question 39

Data Control Language

Answer 39

Controls access

Question 40

What is e-cash

Answer 40

Allows pmy for purch over internet

Question 41

What is XBRL

Answer 41

exchanges financial infor on web

Question 42

What is a compiler?

Answer 42

convertssource proggram into instruction code

Question 43

Intranet characteristics

Answer 43

High security risk | less costly

Question 44

What does a cyrptograph do?

Answer 44

Protects data in transmission

Question 45

What does a descision table do?

Answer 45

indicates alternative logic

Question 46

What is a public switch?

Answer 46

provides the least secure for a network