Section A Flashcards by Suber Abdi

What are digital devices?

A piece of physical equipment that uses digital data

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What are MFDs

A multifunctional device such as a smartphone or a PC

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What are AIOs?

An all-in-one device also known as MFDs

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What is a standalone computer?

A computer not reliant on any other computer or digital device to function

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What are PCs

Personal computers which are general purpose and are available in a range of sizes, level of power and capacity

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When did PCs first come onto the market?

Late 1970s

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What are mainframe computers?

Computers that fill large amounts of space which are used for processing enormous amounts of data

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What is a mobile device?

A digital device which can be carried around easily and is WI-FI enabled

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What is a server?

A server is something which provides services for other computers on the network

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What does a server do?

Stores data files centrally and also allows shared access between devices such as printers or scanners

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What is the cloud?

Severs that are geographically separate from the user. These servers usually offer some sort of storage services

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What is a DAB?

Digital Audio Broadcasting which converts audio broadcasts to digital signals

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What types of images does a digital camera capture?

Still and Video

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What are SLR cameras?

Single Lens Reflex camera which captures the scope of the image you can see

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What is a EDC?

Electronic Data Capture

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What is WI-FI?

Wireless Fidelity

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What is Bluetooth?

What connects PANs to peripheral devices

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What is broadband?

A high speed transmission technique where a high band of frequencies are used to transmit messages

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What is a CNC?

Computer numerically controlled machines are automated using software programs to carry out precise production parts used in manufacturing and production

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What is a peripheral device?

Hardware that is outside the computer

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What is hardware?

Computer equipment that you can physically touch

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What is software?

Applications or programs thar are installed onto a digital device

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What are input devices?

Devices which interact with or send information to the computer

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What are output devices?

Devices which provide information to the user from the computer

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What are storage devices?

Peripheral devices which are used for storing data

What is the purpose of storage devices

To back up data in case of damages or to save space on the computers hard drive

Types of storage devices

* Hard Disk Drives (HHD) * Solid States Drives (SSD) * USB * SD cards * Optical Disk * Magnetic Disk

What are HHDs?

Advantages of HHDs

Disadvantages of HHDs

What are SSDs?

Advantages of SSDs

Disadvantages of SSDs

What are optical disks?

Advantages of optical disks

Disadvantages of optical disks

What are magnetic disks?

Advantages of magnetic disks

Disadvantages of magnetic disks

What is manual data processing?

Data inputted by a human such as an application form

What is automatic data processing?

Data collection or processing carried out by a computer

What are accessibility devices?

Devices used to assist those with a disability

What are the benefits of using storage devices as part of an IT system?

* Data can be found easily * Data can be backed up routinely * Data can be stored across a number of different physical disk which can be read simultaneously cutting down the read time of the file

What are the risks of using storage devices as part of an IT system?

* Data can be lost * Transportable or personal storage devices can pose a security risk if its stored on one storage device

What is an operating system?

The platform which enables software installed on a digital device to work which acts as an interface between the hardware and software

Types of Operating Systems

* iOS * Android * ChromeOS * Windows

What is an interface?

A point where two (or more) system meet and interact. A device or program that enables a user to communicate with a computer

What is a platform?

The operating system which enables applications or programs to operate on a digital device

What is a GUIs?

Graphical user interfaces are those which allow user to interact with a digital device using graphical icons

What is a real-time operating system?

A RTOS is a system that processes data in current(real) time like Windows CE

What is a single user single task?

Single-user single task operating systems which can only run one user applications at any one time

What is a single user multi-tasking?

Single-user multi-task operating systems which can run multiple applications at the same time

What is a multi-user operating system?

A OS which enables several users to operate the same, or different, software applications at the same time. For example through a server

What is networking operating system?

NOS controls access to resources and devices on a network such as backing up files

Functions of an OS

* Networking * Security * Memory Management * Multitasking * Device Drivers

Factors that affect the choice and use of user interfaces

* Graphical * Command Line * Menu Based * Adapted

What is a command line?

The starting point shown on a computer screen where programming code is typed

What is a software developer?

Someone who contributes to producing computer programs

What is a data engineer?

Someone who designs and produce database programs

What is utility software?

System software that runs alongside the operating system to distinguish between applications and to carry out routine tasks to maintain and optimise the system operation

Features of utility software

* Security Checks * Identifying or removing viruses * Software Updates * Backing up data

Factors that affect utility software

* Bandwidth * Memory Failures * Conflict with other utility software

What is application software?

Software that enables users to interact with digital devices to preform many different functions

What is HTML?

Hypertext mark up language which is used to create webpages

What is open source code?

Free to access code which is a collaborative effort where more than one programmer contributes to the programming of the source code

What are the implications of open source software?

This code can be copied and modified by those with malicious intent

What is proprietary source code?

Privately owned code which is usually produced by more than one but as employee of a private company or group

What are the implications of open source software?

Can be costly and restricts development

What are the benefits of open source software?

The developers have more control over the code and give patches to the users of the software