WorksheetsComputer Systems Homework
Total questions: 24
Worksheet time: 16mins
Which of these items are software?
A keyboard
A program for editing images
The operating system
A file containing an image
A browser
Which of these items are software?
A mouse
An astronomy program
A browser
A screen
The operating system
Which of these items are hardware?
A keyboard
A program for editing images
A mouse
The operating system
Which of these items are hardware?
A screen
A file containing an image
A browser
A wireless network adapter
An astronomy program
Which of the following are programs?
A word processor
An operating system
An image
The processor (CPU)
Which of these are of operating systems
Windows
Word
Linux
OneNote
What does a processor (CPU) do?
Stores programs
Stores data
Executes programs
Executes data
Processes data
What does the main memory (RAM) do?
Stores programs
Stores data
Executes programs
Executes data
Processes data
What is stored in storage devices?
Hardware components
Programs
Data
None of the others. The term ‘storage’ is misleading
Which of the devices below are input devices.
Mouse
Keyboard
Printer
Microphone
Speaker
Which of the devices below are input devices.
Camera
Touchscreen
Processor
Sensors
You are using your computer and you open a document and start editing it using a word processor.
If you take a snapshot of your system at that point, what will the PROCESSOR (CPU) contain? Select 2 items from the list below.
All the instructions contained in the word processing program
All the data for the document that you are editing
The instruction that is currently being carried out
All the instructions contained in the operating system
Data for the instruction that is currently being carried out
You are using your computer and you open a document and start editing it using a word processor.
If you take a snapshot of your system at that point, what will the MAIN MEMORY (RAM) contain? Select 3 items from the list below.
All the instructions contained in the word processing program
The instruction that is currently being carried out
All the instructions contained in the operating system
All the data for the document that you are editing
Data for the instruction that is currently being carried out
You are using your computer and you open a document and start editing it using a word processor.
If you take a snapshot of your system at that point, what will the STORAGE DEVICES contain? Select 2 items from the list below.
All the instructions contained in the word processing program
All the documents saved on your computer
All the instructions contained in the operating system
All the data for the document that you are editing
All the programs installed on your computer
What is the main task of a general-purpose computing system?
The main task is to execute programs.
There is no main task. It can perform any task prescribed by a program.
The main task depends on the system. Different systems may perform a different main task.
The main task depends on the user. Different users may need the system to perform a different main task.
Which of the following are logical operators?
mod (remainder)
and (conjunction)
or (disjunction)
> (comparison: greater than)
not (negation or inversion)
If X is a logical statement, what sort of values can it have?
Any number
Any sentence that makes sense
Either true or false
Either ‘yes’, ‘no’, or ‘don’t know’
Q14. A laptop computer has a ‘Battery low’ indicator that starts flashing red when the battery power falls below 20%, but only if the laptop is not charging.
Which of the expressions below capture the behaviour of the ‘Battery low’ indicator?
Battery below 20% < Charging
Battery below 20% > Charging
Battery below 20% or Charging
Battery below 20% and not Charging
is the sentence below true or false?
Complex components like the processor and the main memory can be created out of simple logic gates.
True
False
Is the sentence below true or false?
Artificial intelligence is about creating machines that are more intelligent than humans.
True
False
Is the sentence below true or false?
Creating a machine that can walk is not artificial intelligence because humans walk without thinking.
True
False
Is the sentence below true or false?
With machine learning, machines are trained how to perform tasks by showing them examples or providing feedback.
True
False
Is the sentence below true or false?
Machine learning does not involve programming.
True
False
Is the sentence below true or false?
The performance of machines that are trained to perform a task is only as good as the examples that have been used to train them.
True
False
