Test
1.2 Memory & Storage Quiz
Este test tiene tiempo límite, así que se abre en el reproductor de siempre.
Preguntas del test (15)
1True or False: RAM is volatile, meaning when the computer is turned off whatever is running is saved.
- AVerdadero
- BFalso
2Fill the Blanks: When RAM is full, part of [blank_start]secondary[blank_end] storage is used as '[blank_start]virtual memory[blank_end]', acting as an extension of RAM.
- Avirtual memory
- Bsecondary
3Identify the types of secondary storage below - do not add 'storage' to the end of it.
- Aoptical
- Bsolid state
- Cmagnetic
4Select all types of characters that would be included in the ASCII standard character set (7 bits).
- Astandard english alphabet - eg. A b C d
- Bemojis - eg. 🐱👤🎶🐱🐉🐱👓
- Cnumbers - eg. 1 2 3 4
- Dspecial characters - eg. ! ? £ %
- Elanguages with accents - eg. é Ó Ñ ç
5Which of the following describes Lossy Compression?
- ACannot go back to the original file, used for text files.
- BRemoves unnecessary data, used in image, audio and video files.
- CCan go back to the original file, used for text files.
- DFile size decreases lots, used for only audio files.
6To convert sound into binary, there a 3 steps:
1. [blank_start]Measure the amplitude of the wave[blank_end]
2. Amplitude is measured [blank_start]at set intervals[blank_end] - aka sample rate
3. Amplitude is then [blank_start]converted to binary[blank_end]- Aat set intervals
- Bat random intervals
- Cevery second
- DMeasure the amplitude of the wave
- EMeasure the frequency of the wave
- FMeasure the amplitude of the sample rate
- Gconverted to binary
- Hconverted into denary, then binary
- Iconverted to hexadecimal, then binary
7Select all that apply to the definition of Lossless Compression
- AUsed for text files
- BCan't go back to the original file, and does not reduce file size that much
- CUsed for text and image files
- DUsed for image, audio and video files
- ECan go back to the original file, but does not reduce file size that much
8Define Metadata.
- AMetadata is data about the internet, eg. when it originated, when a video was uploaded, etc.
- BMetadata is data about data, eg. when an image was taken, the file size of a video.
- CMetadata is data about the computer, eg. the size of RAM, the Hertz of the computer.
9Select the correct binary for each pixel labelled below, this is a bitmap image. Hint: There are a total of 4 different colours.
- A01
- B00
- C11
- D10
- E10000
- F101
- G100
- H1010
10True or False: Unicode has a total of 16 bits, which means that it has 16 total characters.
- AVerdadero
- BFalso
11Fill the blanks: Magnetic is [blank_start]cheaper[blank_end] per GB (compared to other secondary storage options), large capacity, relatively [blank_start]fast[blank_end] read or write. However, it is loud, has moving parts, and isn't [blank_start]portable[blank_end].
- Acheaper
- Bfast
- Cportable
12Select everything that applies to the advantages of Optical Storage.
- ACheapest of all Secondary Storage options
- BHas a low capacity, read and write speeds
- CEasily damaged
- DSmall / Portable
- EFast read and write speeds
13Solid State is typically the [blank_start]most expensive type[blank_end] of secondary storage. However, it [blank_start]is very durable[blank_end], has a large capacity, and [blank_start]fast[blank_end] read and write speeds.
- Ais very durable
- Bhas moving parts
- Cmost expensive type
- Dcheapest type
- Efast
- Fslow
- Gaverage
- Hmost varied price type
14True or False: If a Bitmap image has of 4 bits, it can have a total of 16 colours, as 2^4 is 16.
- AVerdadero
- BFalso
15ROM is [blank_start]non-volatile[blank_end], stores boot-up sequence & [blank_start]operating[blank_end] system, as you don't want to lose it when you power off computer. ROM is [blank_start]read[blank_end] only, compared to RAM which is read and write.
- Anon-volatile
- Bvolatile
- Cread
- Dwrite
- Eoperating
- Fcomputer
Información
- Descripción
- 30 seconds per mark (a total of 32 marks!)
- Autor
- Josh Burnett
- Idioma
- English
- Visitas
- 10
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test