Mainframe computer - Year 9

Subject: Digital Devices

Year: 9

Lesson: 1

Topic: Mainframes and PCs

Objectives:
To explain mainframes, microprocessors, desktops and laptops.

Success Criteria

Working at

Level

S

T

I can describe the difference between
laptops and desktop computers

4

I can describe the purpose and use of
mainframe computers and microprocessors

4

I can give at least two advantages and
disadvantage for each ownership.

5

From the spec-

Key vocabulary

All should be able to explain mainframes,
microprocessors, desktops and laptops.

Mainframe Computers

• Mainframe computers are used

for complex processing tasks
such as statistical analysis and
bulk data processing.

• https://www.youtube.com/watc

h?v=vvrdgwDnMQA

Mainframe Computers

While you watch the
video (watch till 5:20)
try to answer these
questions-
1. What is the
difference between
mainframe computers
and supercomputer?

2. List one application
of mainframe
computer.

3. List 2 advantages
and 1 disadvantage of
mainframe computer.

Keyword

Mainframe Computers

Microprocessors

• https://www.ictlounge.com/html/micropro

cessor_controlled_devices.htm#activity

• Read the information using the link

provided and complete worksheet 1.

Keyword

Microprocessors are embedded in
products such as washing machines.

https://tinyurl.com/yme6tmc9

Personal Computers

Keywords

Advantages

Disadvantages

Personal Computers

Desktops
• Users have options to upgrade
• Add additional components such as

memory

• Needs peripheral devices

connected such as monitor, printer
etc.

Using your knowledge of desktops and laptops, list 2 differences between
both.

Advantages

disadvantages

Challenge

Answer these questions –

1.What are the main uses of mainframe computers?
2.What are some examples of products that use microprocessors?
3.How do laptops and desktop computers differ from each other?
4.What is a desktop replacement laptop and how is it used?
5.How does the processing power of a mainframe computer compare

to that of a microprocessor in a washing machine?

Subject: Digital Devices

Year: 9

Lesson: 1

Topic: Mainframes and PCs

Objectives:
•All should be able to explain mainframes, microprocessors, desktops and laptops.

Success Criteria

Working at

Level

S

T

I can describe the difference between
laptops and desktop computers

4

I can describe the purpose and use of
mainframe computers and microprocessors

4

I can give at least two advantages and
disadvantage for each ownership.

5

Challenge

Answers–
Mainframe computers are primarily used for complex processing tasks that require high levels of
computing power, such as processing large amounts of data, running complex simulations, and
performing high-speed transactions in financial and banking industries.

Microprocessors are used in a wide range of products such as washing machines, microwaves, cars,
cameras, and even toys. They are used to control and monitor various functions of these devices,
including temperature, timing, and other functions.

Laptops and desktop computers are both types of personal computers. Laptops are designed for
portability, while desktop computers are designed for use at a fixed location. Laptops typically have
a built-in screen, keyboard, and touchpad, while desktop computers require separate monitors,
keyboards, and mice.

A desktop replacement laptop is a type of laptop that is designed to provide similar performance to
a desktop computer. These laptops are typically larger and heavier than standard laptops and have
more powerful processors, dedicated graphics cards, and larger displays. They are often used by
professionals who need the portability of a laptop but require the performance of a desktop
computer.

Mainframe computers are much more powerful than the microprocessors found in washing
machines. Mainframe computers are capable of processing huge amounts of data in real-time,
while the microprocessors in washing machines are designed to perform specific tasks such as
controlling the machine's cycles and detecting errors. The processing power of a mainframe
computer is many orders of magnitude greater than that of a microprocessor in a washing machine.