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Flashcards in IT becker quick notes Deck (21):
1

Components of IT?

1. Hardware
2. Software
3. Data
4. People
5. Network

2

Components of BIS

1. TPS-Transaction Processing System
2. Knowledge Systems and Office Systems
3. MIS-Management Information Systems
4. DPS-Decision Support System
5. EIS- Executive Information System

3

Order of Events for Data Processing

1. Collect
2. Process
3. Store
4. Transform
5. Distribute

4

Accounting trail order includes what?

1. Source document
2. Journal
3. Ledger
4. Trial Balance
5. F/S Reports

5

4 Critical IT Resources include

1. Application
2. People
3. Information
4. Infrastructure

6

What are Digital Certificates?

Another form of data security. An electronic document, created and digitally signed by a trusted party, which certifies the identity of the owners of a particular public key. Contains that party's public key.

7

Public Key Infrastructure?

refers to the system and processes used to issue and manage asymmetric keys and digital certificates.

8

4 Types of risks

1. Strategic Risk
2. Operating Risk
3. Financial Risk
4. Information Risk

9

Strategic Risk defined

Risk of choosing inappropriate technology

10

Operating Risk defined

Doing the right things the wrong way

11

Financial Risk defined

Having financial resources lost, wasted, or stolen.

12

Information Risk defined

Risk of loss of data integrity, incomplete transactions, or hackers

13

Steps in Disaster Recovery

1. Assess the risks
2. Identify mission-critical applications and data
3. develop a Plan
4. Determine the Responsibilities of the personnel involved
5. Test the disaster recovery plan

14

What is RAM?

stores data TEMPORARILY while it is being processed

15

What is ROM?

Used to PERMANENTLY store data needed to power the computer.

16

What is RAID?

Redundant Array of Independent Disks= disk storage, combines multiple inexpensive disk drives into an array of disk drives to obtain performance, capacity and reliability that exceed that of a single large disk drive.

17

RAID 0

Non redundant, large code

18

RAID 1

Writes all data to 2 disks original and redundant disks

19

RAID4-6

Writes to 1 disk and parity bit to a second disk

20

RAID 10

Combination of RAID 0 and RAID 1

21

SQL consists of

1. DDL- Data definition language
2. DML- Data Manipulation Language
3. DCL- Data Control Lanaguage