G10 - Unit 3 - Hardware (End of Unit test)

Last updated 11 months ago

23 questions

Instructions

2

5

9

12

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5

2

8

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6

Library

G10 - Unit 3 - Hardware (End of Unit test)

Last updated 11 months ago

23 questions

Instructions

Answer all the questions.

2

5

Draggable item		Corresponding Item

9

a) Name three buses used in the von Neumann architecture. [3]
b) Describe the function of each named bus. [3]
c) Describe how bus width and clock speed can affect computer performance. [3]

12

What is the main function of a CPU?

1

What unit measures CPU speed?

1

5

A company is developing a new games console. The console games will be stored on a ROM chip once the program to run the new game has been fully tested and developed.

i Give two advantages of putting the game’s program on a ROM chip. [2]
ii The manufacturers are also using RAM chips on the internal circuit board. Why have they done this? [1]
iii The games console will have four USB ports. Apart from the need to attach games controllers, give reasons why USB ports are incorporated. [2]

2

During development of the games console in question 12, the plastic parts are made by a 3D printer. Give two reasons why the manufacturer would use 3D printers.

8

An air conditioning unit in a car is being controlled by a microprocessor and a number of sensors.

a) Describe the main differences between control and monitoring of a process. [2]
b) Describe how the sensors and microprocessor would be used to control the air conditioning unit in the car. Name at least two different sensors that might be used and explain the role of positive feedback in your description. [6]

2

3

Describe three differences between MAC addresses and IP addresses.

4

Explain each of the following terms:
a) Network interface card (NIC)
b) Router

7

A zoo has an information point.
» Visitors use a menu to select information about animals.
» The menu includes 500 different animals.
» The information is provided only using high definition video with an audio track.

a) State one input device that could be used for the information point. [1]
b) The output is shown on a monitor. State one other output device that could be used for the information point. [1]
c) The video files are stored at the information point. State one secondary storage device that could be used. [1]
d) The zoo decides to introduce Quick Response codes in different places in the zoo. These provide further information about the animals. Describe how customers obtain the information from the Quick Response codes. [4]

3

Convert -88 into a binary number using the two’s complement format.
Explain or show your working.

2

Convert 88 to a hexadecimal number format.

6

Name the three components of data packets and the kind of information contained in each.

Answer all the questions.

Which of the following are examples of an input device? (select all correct options)

Mouse

Printer

Keyboard

Monitor

Which of the following are examples of an output device? (select all correct options)

Microphone

Speakers

Camera

Headphones

Match the five output devices with five descriptions.

Draggable item		Corresponding Item
2D cutter		Droplets of ink are propelled onto paper.
LED screen		Flat panel display that uses the light modulating properties of liquid crystals.
LCD screen		2D High-powered laser that uses the X-Y plane cutter.
Laser printer		Flat panel display that uses an array of light emitting diodes as pixels.
Inkjet printer		Electrically charged powdered ink is transferred onto paper.

a) Name three buses used in the von Neumann architecture. [3]
b) Describe the function of each named bus. [3]
c) Describe how bus width and clock speed can affect computer performance. [3]

Complete the following paragraph by drag and dropping the terms provided:

The CPU ____________ data and instructions required for an application and temporarily stores them in the _______________________________________ until they can be processed. 
The _________________________ is used to hold the address of the next instruction to be executed. This address is copied to the __________________________________ using the ________________ . 
The contents at this address in RAM are stored in the _______________________________. Each instruction is then ____________ and finally _____________ by sending out ____________________using the ________________ . 
Any calculations carried out are done using the ____________________________________. During any calculations, data is temporarily held in a special purpose register known as the ______________________ .

Which is an example of an embedded system?

Smart thermostat controlling home temperature settings.

Laptop for programming tasks.

Server hosting a website.

Desktop computer for graphic design.

How do embedded systems differ from general-purpose computers?

More powerful than general-purpose computers.

Designed for specific tasks, not general use.

More expensive than standard PCs.

Always connected to the internet.

Embedded systems are commonly used in consumer electronics like microwaves and washing machines.

True

False

What is the main function of a CPU?

What unit measures CPU speed?

What is a benefit of a multi-core CPU?

Lower production costs for manufacturers.

Enhanced performance in running multiple applications simultaneously.

Increased physical size of the processor.

Reduced need for RAM memory.

A company is developing a new games console. The console games will be stored on a ROM chip once the program to run the new game has been fully tested and developed.

i Give two advantages of putting the game’s program on a ROM chip. [2]
ii The manufacturers are also using RAM chips on the internal circuit board. Why have they done this? [1]
iii The games console will have four USB ports. Apart from the need to attach games controllers, give reasons why USB ports are incorporated. [2]

During development of the games console in question 12, the plastic parts are made by a 3D printer. Give two reasons why the manufacturer would use 3D printers.

An air conditioning unit in a car is being controlled by a microprocessor and a number of sensors.

a) Describe the main differences between control and monitoring of a process. [2]
b) Describe how the sensors and microprocessor would be used to control the air conditioning unit in the car. Name at least two different sensors that might be used and explain the role of positive feedback in your description. [6]

Which of these are characteristics of RAM? (select all correct options)

Temporary storage for running programs

Volatile memory that loses data when powered off

Permanent data storage for files

Used for firmware storage

What are features of ROM? (select all correct options)

Non-volatile storage for firmware

Retains data when powered off

Faster than RAM during operations

Temporary memory for applications

Which aspects differentiate RAM from ROM? (select all correct options)

RAM holds permanent data storage

RAM is writable and changeable

ROM is faster than cache memory

ROM is primarily read-only memory

Describe three differences between MAC addresses and IP addresses.

Explain each of the following terms:
a) Network interface card (NIC)
b) Router

A zoo has an information point.
» Visitors use a menu to select information about animals.
» The menu includes 500 different animals.
» The information is provided only using high definition video with an audio track.

a) State one input device that could be used for the information point. [1]
b) The output is shown on a monitor. State one other output device that could be used for the information point. [1]
c) The video files are stored at the information point. State one secondary storage device that could be used. [1]
d) The zoo decides to introduce Quick Response codes in different places in the zoo. These provide further information about the animals. Describe how customers obtain the information from the Quick Response codes. [4]

Convert -88 into a binary number using the two’s complement format.
Explain or show your working.

Convert 88 to a hexadecimal number format.

Name the three components of data packets and the kind of information contained in each.

Which of the following are examples of an input device? (select all correct options)

Mouse

Printer

Keyboard

Monitor

Which of the following are examples of an output device? (select all correct options)

Microphone

Speakers

Camera

Headphones

Match the five output devices with five descriptions.

2D cutter

Droplets of ink are propelled onto paper.

LED screen

Flat panel display that uses the light modulating properties of liquid crystals.

LCD screen

2D High-powered laser that uses the X-Y plane cutter.

Laser printer

Flat panel display that uses an array of light
emitting diodes as pixels.

Inkjet printer

Electrically charged powdered ink is transferred onto paper.

Complete the following paragraph by drag and dropping the terms provided:

The CPU ____________ data and instructions required for an application and temporarily stores them in the _______________________________________ until they can be processed. 
The _________________________ is used to hold the address of the next instruction to be executed. This address is copied to the __________________________________ using the ________________ . 
The contents at this address in RAM are stored in the _______________________________. Each instruction is then ____________ and finally _____________ by sending out ____________________using the ________________ . 
Any calculations carried out are done using the ____________________________________. During any calculations, data is temporarily held in a special purpose register known as the ______________________ .

Which is an example of an embedded system?

Smart thermostat controlling home temperature settings.

Laptop for programming tasks.

Server hosting a website.

Desktop computer for graphic design.

How do embedded systems differ from general-purpose computers?

More powerful than general-purpose computers.

Designed for specific tasks, not general use.

More expensive than standard PCs.

Always connected to the internet.

Embedded systems are commonly used in consumer electronics like microwaves and washing machines.

True

False

What is a benefit of a multi-core CPU?

Lower production costs for manufacturers.

Enhanced performance in running multiple applications simultaneously.

Increased physical size of the processor.

Reduced need for RAM memory.

Which of these are characteristics of RAM? (select all correct options)

Temporary storage for running programs

Volatile memory that loses data when powered off

Permanent data storage for files

Used for firmware storage

What are features of ROM? (select all correct options)

Non-volatile storage for firmware

Retains data when powered off

Faster than RAM during operations

Temporary memory for applications

Which aspects differentiate RAM from ROM? (select all correct options)

RAM holds permanent data storage

RAM is writable and changeable

ROM is faster than cache memory

ROM is primarily read-only memory

G10 - Unit 3 - Hardware (End of Unit test)

G10 - Unit 3 - Hardware (End of Unit test)

a) Name three buses used in the von Neumann architecture. [3]b) Describe the function of each named bus. [3]c) Describe how bus width and clock speed can affect computer performance. [3]

What is the main function of a CPU?

What unit measures CPU speed?

During development of the games console in question 12, the plastic parts are made by a 3D printer. Give two reasons why the manufacturer would use 3D printers.

Describe three differences between MAC addresses and IP addresses.

Explain each of the following terms:a) Network interface card (NIC)b) Router

Convert -88 into a binary number using the two’s complement format.Explain or show your working.

Convert 88 to a hexadecimal number format.

Name the three components of data packets and the kind of information contained in each.

Which of the following are examples of an input device? (select all correct options)

Which of the following are examples of an output device? (select all correct options)

Match the five output devices with five descriptions.

a) Name three buses used in the von Neumann architecture. [3]b) Describe the function of each named bus. [3]c) Describe how bus width and clock speed can affect computer performance. [3]

Which is an example of an embedded system?

How do embedded systems differ from general-purpose computers?

Embedded systems are commonly used in consumer electronics like microwaves and washing machines.

What is the main function of a CPU?

What unit measures CPU speed?

What is a benefit of a multi-core CPU?

During development of the games console in question 12, the plastic parts are made by a 3D printer. Give two reasons why the manufacturer would use 3D printers.

Which of these are characteristics of RAM? (select all correct options)

What are features of ROM? (select all correct options)

Which aspects differentiate RAM from ROM? (select all correct options)

Describe three differences between MAC addresses and IP addresses.

Explain each of the following terms:a) Network interface card (NIC)b) Router

Convert -88 into a binary number using the two’s complement format.Explain or show your working.

Convert 88 to a hexadecimal number format.

Name the three components of data packets and the kind of information contained in each.

a) Name three buses used in the von Neumann architecture. [3]
b) Describe the function of each named bus. [3]
c) Describe how bus width and clock speed can affect computer performance. [3]

Explain each of the following terms:
a) Network interface card (NIC)
b) Router

Convert -88 into a binary number using the two’s complement format.
Explain or show your working.

a) Name three buses used in the von Neumann architecture. [3]
b) Describe the function of each named bus. [3]
c) Describe how bus width and clock speed can affect computer performance. [3]

Explain each of the following terms:
a) Network interface card (NIC)
b) Router

Convert -88 into a binary number using the two’s complement format.
Explain or show your working.