WorksheetsUnit 2 Quizziz revision 1
Total questions: 25
Worksheet time: 18mins
Fibre optic cables consist of very fine strands of glass or plastic fibre; transmitting data via
(a)
The computers in Peter's office building are linked so that staff can share files and printers. This type of network is known as a...
(a)
Which of these is a negative effect of technology on the environment?
Reduces travel to conferences and meetings
Uses natural resources and electricity
Reduces need for paper
Improves design capabilities
What is responsible for initial startup of a computer? (a)
(a)
What are two benefits of using a tablet rather than a paper diary?
Data can be backed up
Heavier to carry
Faster than a diary
Pen is not needed
Which of these describe a "technology system" best
Only the hardware
Only the software
All hardware, software and peripherals
Hardware and software
What is the main role of a CPU?
Stores data
Processes data
Outputs data
Inputs data
What data type would be needed to store the value "Unit 2"?
Boolean
String
Character
Integer
what is pseudocode?
Machine code
Code which runs on a MAC
Structured English showing code logic
Code which doesn't work
What datatype would be used to store the following data?
True
Character
Real
Integer
Boolean
A value that can change depending on the conditions or information passed through the program
The label of a control on a form
An IF statement which executes different instructions depending on a condition
None of these answers
what is the name of the diagram that shows a process, system, or computer algorithm
Procedure
Process
Flowchart
Pseudocode
What is returned by values[5]?
9
12
6
8
A program contains a 2D array ("CUSTOMER") storing customer numbers, first names and surnames
What data is held in stored in CUSTOMER (2,3)?
Amrit
Kahn
Power
1003
What is a record?
A data structure that stores a fixed amount of items of one data type.
A data structure that stores items in columns.
A large data structure that stores multiple items of data about one thing.
A single piece of a data.
All record data types have
(a)
Put these in order from smallest to largest
Kilobyte
Megabyte
Gigabyte
Terabyte
Petabyte
