11 DigiTech - ESQ

Last updated 9 months ago

12 questions

Instructions

2

10

6

1

2

1

6

4

5

Library

11 DigiTech - ESQ

Last updated 9 months ago

12 questions

Instructions

Answer all the questions.

2

Emily is creating a film for a school project using a digital video camera and will transfer the videos to a computer for editing.

The computer 2GB of storage free.

Calculate the number of videos that could be stored on the computer if each video was 200MB in size. You must show your working.

2

A file size has a size of 72,000,000,000 bits.
Calculate the file size in megabytes and gigabytes. You must show your working.

2

Calculate how many bits there are in a file with a size of 20 megabytes.
You must show your working.

10

6

St. Ignatius Catholic School are considering whether to move all of their data from the local server on site to a cloud-based service provider.

Discuss the issues the school should consider before making a decision.

1

What is meant by resolution?

2

Name two types of compression.

1

What data is in the form of sound waves?

1

What process is used to record analogue sound at regular intervals so it can be converted to digital?

6

These characteristics are used to decide what type of storage is best suited to a given purpose. Match up the characteristics to correct statement.

Draggable item		Corresponding Item

4

A large supermarket would like to improve the security of their data and have decided to use magnetic storage to backup all their data.

Explain TWO reasons why magnetic storage is the most suitable for backing up data.

5

Answer all the questions.

Emily is creating a film for a school project using a digital video camera and will transfer the videos to a computer for editing.

The computer 2GB of storage free.

Calculate the number of videos that could be stored on the computer if each video was 200MB in size. You must show your working.

A file size has a size of 72,000,000,000 bits.
Calculate the file size in megabytes and gigabytes. You must show your working.

Calculate how many bits there are in a file with a size of 20 megabytes.
You must show your working.

Match each statement with the correct image type.

	Bitmap	Vector
Made up of pixels
Take up more storage space and memory
Take up less storage space and memory
Made up of mathematically defined objects.
Dependent on resolution of printer or display device
Not dependent on resolution
Not scalable. Pixilation occurs when the image is over-enlarged
Scalable
Common use photographs and web pages
Use in Logos, web icons and engineering drawings.

St. Ignatius Catholic School are considering whether to move all of their data from the local server on site to a cloud-based service provider.

Discuss the issues the school should consider before making a decision.

What is meant by resolution?

Name two types of compression.

What data is in the form of sound waves?

What process is used to record analogue sound at regular intervals so it can be converted to digital?

These characteristics are used to decide what type of storage is best suited to a given purpose. Match up the characteristics to correct statement.

Draggable item		Corresponding Item
Capacity		This refers to how expensive per byte it is.
Portability		This refers to how much space is available on the storage device.
Durability		This refers to how quickly the data can be read and transferred from the storage device.
Speed		This refers to how easy is it to transport from one place to another.
Cost		This refers to how resistant it is to external factors such as being dropped, scratched and how it responds to being in extreme conditions.
Reliability		This refers to how much space is available on the storage device.

A large supermarket would like to improve the security of their data and have decided to use magnetic storage to backup all their data.

Explain TWO reasons why magnetic storage is the most suitable for backing up data.

Identify the type secondary storage.

Match each statement with the correct image type. 

Bitmap

Vector

Made up of pixels

Take up more storage space and memory

Take up less storage space and memory

Made up of  mathematically defined objects.

Dependent on resolution of printer or display device

Not dependent on resolution

Not scalable. Pixilation occurs when the image is over-enlarged

Scalable

Common use photographs and web pages

Use in Logos, web icons and engineering drawings.

Capacity

This refers to how expensive per byte it is.

Portability

This refers to how much space is available on the storage device.

Durability

This refers to how quickly the data can be read and transferred from the storage device.

Speed

This refers to how easy is it to transport from one place to another.

Cost

This refers to how resistant it is to external factors such as being dropped, scratched and how it responds to being in extreme conditions.

Reliability

This refers to how much space is available on the storage device.

Identify the type secondary storage.

Optical

Magnetic

Solid-state

CD

USB Flash Drive

SD Card

Hard Drive

DVD

11 DigiTech - ESQ

11 DigiTech - ESQ

Emily is creating a film for a school project using a digital video camera and will transfer the videos to a computer for editing.The computer 2GB of storage free.Calculate the number of videos that could be stored on the computer if each video was 200MB in size. You must show your working.

A file size has a size of 72,000,000,000 bits.Calculate the file size in megabytes and gigabytes. You must show your working.

Calculate how many bits there are in a file with a size of 20 megabytes. You must show your working.

St. Ignatius Catholic School are considering whether to move all of their data from the local server on site to a cloud-based service provider.Discuss the issues the school should consider before making a decision.

What is meant by resolution?

Name two types of compression.

What data is in the form of sound waves?

What process is used to record analogue sound at regular intervals so it can be converted to digital?

These characteristics are used to decide what type of storage is best suited to a given purpose. Match up the characteristics to correct statement.

A large supermarket would like to improve the security of their data and have decided to use magnetic storage to backup all their data.Explain TWO reasons why magnetic storage is the most suitable for backing up data.

Emily is creating a film for a school project using a digital video camera and will transfer the videos to a computer for editing.The computer 2GB of storage free.Calculate the number of videos that could be stored on the computer if each video was 200MB in size. You must show your working.

A file size has a size of 72,000,000,000 bits.Calculate the file size in megabytes and gigabytes. You must show your working.

Calculate how many bits there are in a file with a size of 20 megabytes. You must show your working.

Match each statement with the correct image type.

St. Ignatius Catholic School are considering whether to move all of their data from the local server on site to a cloud-based service provider.Discuss the issues the school should consider before making a decision.

What is meant by resolution?

Name two types of compression.

What data is in the form of sound waves?

What process is used to record analogue sound at regular intervals so it can be converted to digital?

These characteristics are used to decide what type of storage is best suited to a given purpose. Match up the characteristics to correct statement.

A large supermarket would like to improve the security of their data and have decided to use magnetic storage to backup all their data.Explain TWO reasons why magnetic storage is the most suitable for backing up data.

Identify the type secondary storage.

Emily is creating a film for a school project using a digital video camera and will transfer the videos to a computer for editing.

The computer 2GB of storage free.

Calculate the number of videos that could be stored on the computer if each video was 200MB in size. You must show your working.

A file size has a size of 72,000,000,000 bits.
Calculate the file size in megabytes and gigabytes. You must show your working.

Calculate how many bits there are in a file with a size of 20 megabytes.
You must show your working.

St. Ignatius Catholic School are considering whether to move all of their data from the local server on site to a cloud-based service provider.

Discuss the issues the school should consider before making a decision.

A large supermarket would like to improve the security of their data and have decided to use magnetic storage to backup all their data.

Explain TWO reasons why magnetic storage is the most suitable for backing up data.

Emily is creating a film for a school project using a digital video camera and will transfer the videos to a computer for editing.

The computer 2GB of storage free.

Calculate the number of videos that could be stored on the computer if each video was 200MB in size. You must show your working.

A file size has a size of 72,000,000,000 bits.
Calculate the file size in megabytes and gigabytes. You must show your working.

Calculate how many bits there are in a file with a size of 20 megabytes.
You must show your working.

St. Ignatius Catholic School are considering whether to move all of their data from the local server on site to a cloud-based service provider.

Discuss the issues the school should consider before making a decision.

A large supermarket would like to improve the security of their data and have decided to use magnetic storage to backup all their data.

Explain TWO reasons why magnetic storage is the most suitable for backing up data.