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WorksheetsRevision
Total questions: 29
Worksheet time: 22mins
Clock speed is: cycles per (a)
which is an example of volatile storage?
ROM
RAM
flash memory
cache memory
draw the flowchart symbol for 'decision'
What is a general purpose computer?
A computer found in a digital watch
A computer designed to perform more than one task
A small computer that forms part of a larger system
What is clock speed measured in?
cycles per minute
Gigahertz (GHz)
minutes
Base 10 numbers are often called
binary
CSS
decimal/denary
Hexadecimal
A byte has _ bits
(write the number)
(a)
Which data type should be used to store @fcbarcelona10?
string
real
integer
boolean
Which data type is used for single characters?
string
boolean
char
integer
real
What is an embedded system?
A combination of hardware and software, designed for a specific function within a larger system.
a set of integrated devices that input, output, process, and store data and information
Which central processing unit (CPU) component makes logical decisions?
Cache
Arithmetic logic unit (ALU)
Control unit (CU)
3,5,6,8,11,12,14,15,17,28
Which is the correct sequence of comparisons when finding the 8 using a binary search?
George, Jane, Miranda, Ahmed, Sophie, Bernie, Keith.
They are sorted using Insertion sort. What is the first name to be moved?
Select all the examples of operating systems (OSs) ...
Linux
iOS
Android
Chrome
Python
Choose all the browser software ...
Choose the best answer to complete this sentence:
Software refers to the ________ instructions that can be stored on secondary storage devices and loaded into main memory to be executed.
program
written
data
saved
All modern OSs allow multi-tasking. Choose the correct meaning of multi-tasking.
When several processes can be run concurrently
When several task bars can be shown on desktop
When a user can have several documents open at the same time
When the processor forms a queue of processes waiting to be run
What does LAN stand for?
Local Area Network
Long Area Network
Limited Area Network
Look, A Numpty
What does WAN stand for?
Wide Area Network
Wireless Aerial Network
Wireless Access Network
We Ate Nothing
Which topology is this a picture of
Star
Bus
Mesh
Ring
Which is more secure?
wireless networks
wired networks
Volatile memory...
Retains any stored data when there's no power
Loses any stored data when there's no power
What is computational thinking?
To think like a machine
To describe a problem in a way so that it can be solved with computational methods
To think like a computer
To think mathematically
What is an algorithm?
A step by step set of instructions for completing a specific task
Guidelines to help you do your job
Rules of thumb for a profession
Principles to live your life successfully
In a flow diagram, how do you show iteration (loop)?
Arrows pointing back to a previous step
more than one arrow exiting a diamond shape
Arrows pointing forward skipping some steps
a parallelogram
In a flow diagram what does this symbol mean?
A decision
A loop
A sequence
input or output
