A computer consists of both hardware and software. Define the term hardware.

The physical components of the computer

Give two examples of internal hardware devices.

Any two of the following: Processor, Motherboard, Video/graphic card Sound card

Define the term software.

The term software is defined as: Any one of the following: Programs for controlling the operation of a computer , Programs for processing of electronic data ,Program/data/applications

There are two types of software: system and applications. Give two examples of applications software

Examples of applications software include: Any two of the following: Word processing , Spreadsheet , Database , Presentation , Control, Measurement , Applets and apps , Video editing ,Graphics editing ,Audio editing , Computer aided design (CAD) .

There are two types of software: System software Application software Give two examples of system software.

Examples of system software include: Any two of the following: Compilers , Linkers, Device drivers , Operating systems , Utilities .

Some people use dialogue-based user interfaces to operate their car audio system. Describe what is meant by a dialogue-based user interface.

A dialogue-based user interface is described as: Any two of the following: Software that interacts through speech recognition , Uses the spoken word/voice … , … to carry out actions/control devices

Give two reasons why data from the sensors need to be converted for use by a computer.

Reasons why data from the sensors need to be converted for use by a computer include: Any two of the following: So that the data from the sensor can be understood by the computer , The output from a sensor is analogue ,The input to the computer is digital

Martin, who is a teacher, is creating a multimedia presentation to explain a topic to his students. Martin will need to use software to create different types of content before including them in the presentation. Name two types of software that he might use and for each one, state what he would use it for.

Types of software that Martin will need to use includes: One mark for type of software, one mark for description of its use: Word processing , Type/enter the text for the presentation , Image editing software/graphics package/photo editing , To prepare images for inclusion in the presentation Sound editing software , To record the message for the presentation Video editing software , To change the video of Martin Spreadsheet To create a chart/graph .

Some people use dialogue-based user interfaces to operate their car audio system. Describe the benefits and drawbacks of using a dialogue-based user interface in this way

Examples of the benefits and drawbacks of using a dialogue based user interface include: To gain full marks there must be correct benefits and drawbacks: Benefits Allows for hands free control , Safer than using a standard interface , More useful for physically disabled users . Drawbacks Limited access due to the number of commands stored , More expensive to develop , May not operate reliably due to background noise/speech impediment/accents ,Need to be ‘trained’ by the user , Can be distracting if the commands are not understood.

Describe two advantages of using a tablet computer rather than a laptop computer.

Advantages of using a tablet computer rather than a laptop computer include: Any two of the following: Tends to be a faster to load up the operating system. They are more lightweight so can be carried anywhere OR More portable . Don’t generate as much heat .Lower power consumption therefore batteries last longer .

Describe two disadvantages of using a tablet computer rather than a laptop computer

Disadvantages of using a tablet computer rather than a laptop computer include: Any two of the following: Can be more expensive to run if the internet is accessed by mobile data networks .Touch screen can be more error prone when typing the data .Laptop computers support more file formats. Does not have a physical keyboard therefore more difficult to type .Has a smaller screen therefore can be more difficult to read.

Describe four characteristics of a tablet computer.

Characteristics of a tablet computer include: Any four of the following: Screens tend to be anti-glare . Uses touch screen. Front and back facing cameras are included. Has a built in battery. Lightweight. Uses Bluetooth/WiFi/3G/4G/5G . Uses solid state memory. Uses an onscreen keyboard. Portable Small footprint.

Rockit Motors has opened a car store in a shopping mall. Customers can test drive the cars they are planning to purchase using virtual reality systems within the store. Name two devices which would be used in this virtual reality system.

Devices that would be used in the virtual reality system include: Any two of the following: Headset/head mounted displays/HMD Data goggles . Steering wheel. Large monitor/screen/projector. Surround Speakers .

Explain the term virtual reality.

Virtual reality is described as: Any three of the following: A computer-generated simulation . Uses a three-dimensional environment Can be interacted within a real or physical way. The equipment is fitted with sensors .

One component of the internal memory of a computer is Random Access Memory (RAM). State two characteristics of RAM.

Characteristics of RAM include: Any two of the following: RAM can be read from and written to. RAM is volatile memory. RAM is temporary storage.

chapter 1 Flashcards

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22 questions

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1.

FLASHCARD QUESTION

Front

Identify the hardware from the descriptions given. A volatile internal memory that stores the current instruction.

Back

A volatile internal memory that stores the current instruction is: Random Access Memory OR RAM

2.

FLASHCARD QUESTION

Front

A printed circuit board containing the CPU and other components of a computer

Back

Motherboard

3.

FLASHCARD QUESTION

Front

A printed circuit board that controls the output to a monitor.

Back

Graphics card OR GPU OR Graphics Processing Unit

4.

FLASHCARD QUESTION

Front

State two items which are internal hardware components.

Back

Processor and Sound card

5.

FLASHCARD QUESTION

Front

The physical components of a computer are called …

Back

hardware

6.

FLASHCARD QUESTION

Front

Programs and data are examples of …

Back

software

7.

FLASHCARD QUESTION

Front

A small application performing one or two simple functions is called …

Back

an applet

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