OCR GCSE (J277)1.2 Images and Sound (Computer Science)
🇬🇧
In Inglés
In Inglés
Practique preguntas conocidas
Manténgase al día con sus preguntas pendientes
Completa 5 preguntas para habilitar la práctica
Exámenes
Examen: pon a prueba tus habilidades
Course needs 15 questions
Aprenda nuevas preguntas
Popular en este curso
Aprende con fichas
Modos dinámicos
InteligenteMezcla inteligente de todos los modos
PersonalizadoUtilice la configuración para ponderar los modos dinámicos
Modo manual [beta]
El propietario del curso no ha habilitado el modo manual
Otros modos disponibles
Escuchar y deletrearOrtografía: escribe lo que escuchas
elección múltipleModo de elección múltiple
Expresión oralResponde con voz
Expresión oral y comprensión auditivaPractica la pronunciación
EscrituraModo de solo escritura
OCR GCSE (J277)1.2 Images and Sound (Computer Science) - Marcador
OCR GCSE (J277)1.2 Images and Sound (Computer Science) - Detalles
Niveles:
Preguntas:
14 preguntas
🇬🇧 | 🇬🇧 |
How do you calculate Text file size? | Bits per character x Number of characters |
How do you calculate Image file size? | Colour depth x Image height x Image width |
How do you calculate Sound file size? | Sample rate x Duration in seconds x Bit depth |
The term px means what? | Pixels |
How do you work out how many of something you can have on a computer. (Use a document as an example to answer) | Capacity of the Drive/ Document size |
What are the two (2) diffrent ways of storing images? | Bit Map and Vectors |
What is a Bit Map? | Images that are made up of diffrent colour squares Each square has a binary value |
What is a Vector? | The mathematical way to store squares. |
Finish the sentence: The number of ____ (4 letters) required depends on the number of ______ (6 letters) required. | Bits and colour |
Finish the sentence: The greater the colour depth and __________ (10 letters), the larger the _____ (5 letters) size | Resolution and image |
What does Sample Rate mean? | Sample rate is how often you record the amplitude of a sound wave |
What does Bit Depth mean? | Bit depth is how many diffrent gradations of amplitude that can be represented in a digital wave form |
How do you calculate Sound File Size? | Number of samples per second x Number of bits per second x Length of samples in seconds |