Information Technology

0.0(0)
studied byStudied by 0 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/84

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

85 Terms

1
New cards

Input Devices

Used to enter data into a computer system e.g. keyboards, mice, and scanners.

2
New cards

Output Devices

Used to present data from a computer system, including monitors, printers, and speakers.

3
New cards

Biometic Devices

Fingerprints or iris scans, for identification and access control.

4
New cards

Processor

The main component of a computer that executes instructions and processes data

5
New cards

Motherboard

The circuit board that connects and allows communication between various components of a computer

6
New cards

Power Supply Unit

The component that converts AC to DC for the computer to be able to process

7
New cards

RAM

Memory that allows for temporary data storage and quick access by the processor

8
New cards

ROM

A type of non-volatile memory that retains data even when the power is turned off

9
New cards

Cache

A type of high-speed memory that provides faster data access to the processor by storing frequently accessed data and instructions.

10
New cards

Magnetic Storage

Storage that uses magnetic fields to store and retrieve digital data, typically found in hard drives and magnetic tapes.

11
New cards

Magnetic Storage Advantages

Large capacity, durability, and cost-effectiveness for data storage compared to other mediums.

12
New cards

Magnetic Storage Disadvantages

Slower data access speeds, susceptibility to physical damage, and the risk of data loss due to magnetic interference.

13
New cards

Optical Storage

Storage that uses lasers and optical technology to read and write data, commonly found in CDs, DVDs, and Blu-ray discs.

14
New cards

Optical Storage Advantages

Durability, portability, and resistance to magnetic fields.

15
New cards

Optical Storage Disadvantages

Limited data rewrite cycles, lower storage capacity compared to magnetic storage, and sensitivity to scratches and light.

16
New cards

Solid State

Drive technology that uses flash memory to store data instead of spinning disks.

17
New cards

Solid State Advantages

Fastest storage, durability, lower power consumption, and silent operation.

18
New cards

Solid State Disadvantages

Expensive, limited read/write cycles

19
New cards

Cloud Storage

Storage in which digital data is stored on remote servers accessed via the internet

20
New cards

Cloud Storage Advantages

Accessibility, cost-effectiveness

21
New cards

Cloud Storage Disadvantages

Security risks, potential downtime, and limited control over data.

22
New cards

SCSI

Set of standards for connecting and transferring data between computers

23
New cards

SAS

(Serial Attached SCSI) is a point-to-point serial protocol that replaces the parallel SCSI standard for connecting storage devices to computers, offering faster data transfer rates and improved performance.

24
New cards

Graphics Card

A hardware component that generates and renders images, animations, and video for display on a computer screen

25
New cards

Sound Card

A hardware component that processes audio data, allowing a computer to output sound through speakers and input sound through microphones, essential for music production and gaming.

26
New cards

Network Interface Card

A hardware component that connects a computer to a network,

27
New cards

Fibre Channel Card

A hardware component that provides high-speed network connections between storage devices and servers, facilitating data transfer in storage area networks (SANs).

28
New cards

Storage Controller Card

A hardware component that manages data flow to and from storage devices, optimizing performance and reliability in storage area networks (SANs) and direct-attached storage.

29
New cards

Copper Cables Advantages

Offer low cost, ease of installation, flexibility, and sufficient bandwidth for many applications, making them suitable for standard networking needs.

30
New cards

Copper Cable Disadvantages

Are limited by distance, susceptible to electromagnetic interference, and have lower bandwidth compared to fiber optics, which can affect performance in high-demand environments.

31
New cards

Fibre Optic Cables Advantages

Provide higher bandwidth, longer transmission distances, immunity to electromagnetic interference, and enhanced security, making them ideal for high-speed data communication.

32
New cards

Fibre Optic Cables Disadvantages

Can be more expensive, require special installation skills, are fragile, and may pose challenges in terms of bending and connections.

33
New cards

Hub

Receives data packets from a connected device and transfers a copy to all connected nodes

34
New cards

Switch

Receives data packets, processes them and transfers them onto a device specifically listed in the destination address

35
New cards

Router

Transfers data packets between networks

36
New cards

Modem

Sends data across the telephone network, can only transfer analog signals so a modem is used to convert a computer’s digital data into an analog signal

37
New cards

WAP

provides link between wireless/wired networks

38
New cards

Open Source Software Advantages

Source code available to edit, unwanted features removed, shared with public, low in price

39
New cards

Open Source Software Disadvantages

Security risks, prone to errors, technical skill

40
New cards

Closed Source Software Advantages

Well tested, support is often provided

41
New cards

Closed Source Software Disadvantages

Not free, can’t modify

42
New cards

Off The Shelf Software Advantages

Tested throughly, cheap, may trust company

43
New cards

Off The Shelf Software Disadvantages

Expensive, additional features

44
New cards

Bespoke Software Advantages

Personalised, unwanted features removed

45
New cards

Bespoke Software Disadvantages

Expensive to develop, may need training, needs original programmers

46
New cards

Shareware

Software with trial period

47
New cards

Freeware

Freely available to download

48
New cards

Application Software

Productivity, Development, Business software

49
New cards

Antivirus Software

Locates and deletes viruses

50
New cards

Firewall

Each data packet is processed to check whether it should be given access to the network

51
New cards

Defragmentation

Rearranges files so that all fragments are back together in order

52
New cards

Compression

Decreases the size of a file

53
New cards

Operating systems

manage: inp/out devices, printing, secondary storage, memory, processes, security

54
New cards

Letters Advantages

Physical evidence, can be used for formal occasions

55
New cards

Letters Disadvantages

Postage cost, days to recieve, no attachments e.g. videos

56
New cards

Text Message

Can reach large audience, good for short messages

57
New cards

Text Message Disadvantages

Limited characters, can cost money for messages

58
New cards

Email Advantages

Can send to many people at once, attachments included, can send targetted emails

59
New cards

Email Disadvantages

Can be lost, phising scams

60
New cards

Instant Messaging Advantages

real-time, recieved instantly, attachments included

61
New cards

Instant Messaging Disadvantages

Can’t be used for formal occasions, ineternet access can be disruptive

62
New cards

Cellular Advantages

Can hear how something is said, fastest method of communication

63
New cards

Cellular Disadvantages

Impacted by reception, cant see body language

64
New cards

Teleconferences Advantages

Multiple people at once, can be across the world

65
New cards

Teleconferences Disadvantages

Quality of call may be affected by reception, may be a delay

66
New cards

VoIP Advantages

Can make calls over internet, cheaper

67
New cards

VoIP Disadvantages

Relies on good connection, less secure

68
New cards

Video Conferences Advantages

Can connect remotely saving time and money, can see body language, can share information visually

69
New cards

Video Conferences Disadvantages

High bandwidth connection required, impacted by connection

70
New cards

Social Media Advantages

Quick to share information, in different formats, direct messages

71
New cards

Social Media Disadvantages

Requires social media manager, cautious about what they post

72
New cards

Communication Skills

Interpersonal, Verbal, Questioning, Written

73
New cards

Personal Attributes

Self-motivation, leadership, respect, dependability, punctuality, problem solving..

74
New cards

Professional Body

An organisation that seeks to develop and support workers in a certain profession

75
New cards

Industry Certification

Professional bodies exist to provide trainees with industry certification

76
New cards

Industry Certification Advantages

Develop IT skills, Access resources, Professional development opportunities

77
New cards

Industry Certification Disadvantages

Cost, no guarantees, time and dedication

78
New cards

Phising

Using emails to bait people into sending sensitive information

79
New cards

Hacking

Exploiting weaknesses in a system

80
New cards

Trojan Horse

Pretemds to be a reputatble source in order to gain access to your system

81
New cards

Eavesdropping

Listening in on calls

82
New cards

Social Engineering

Tricking individuals into sensitive information

83
New cards

Virus

Replicates itself and spreads by attaching to infected files

84
New cards

Physical Security

Privacy screens, shredding, tokens, locks

85
New cards

Digital Security

Passwords, anti-malware, firewall, encryption, permissions