Characteristic of Hard Disk Drive

Very reliable and large storage capacity

Time delay for packets to transfer to destination

Device with many specialist functions

Ensures secure network connection

Data permanently lost during compression

Function of a Firewall

Monitor traffic to prevent unauthorised access

Software designed to cause harm to an IT system

Ensures data can be recovered after loss

PAN (Personal Area Network)

Connects devices wirelessly within a short range

Reads fingerprints, iris or hand prints

Programme to compress/decompress files

Multi User Operating System

Many users can use the system at the same time and run apps

Date capture and collection system

Collect and input data through automated systems

Create packets and reassemble them

Primary source of data

Data gathered directly from the source

Flash memory used as primary storage in portable devices

Real Time Operating System

Processed and responded to immediately

Cleaners for redundant registry entries

Source code owned privately by a software company

Advantage of Fibre Optic

Improved security: cable cannot be tapped

Conversion of data into an unreadable code

Data from customer transactions

Ensures a database is correctly structured

Network that covers a large geographical area

Increasing interconnectedness of countries

Microwave / Laser connection

Point to Point LAN connections between locations

Retrieve emails from mail server

Original data can be recovered when uncompressed

KS5 - Unit 1 - BTEC L3 ICT Flashcards

Student preview

56 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Bandwidth

Back

Rate of data transfer over a network

2.

FLASHCARD QUESTION

Front

Accessibility Device

Back

Braille Embosser

3.

FLASHCARD QUESTION

Front

Example of PAN connection

Back

Bluetooth

4.

FLASHCARD QUESTION

Front

VOIP

Back

Voice Over Internet Protocol

5.

FLASHCARD QUESTION

Front

Limitation of Cat5 cabling

Back

Only useful over shorter distances

6.

FLASHCARD QUESTION

Front

LAN

Back

Computer network covering a single building or site

7.

FLASHCARD QUESTION

Front

Server

Back

Powerful computer that provides services to computers

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