Data Type and Data Structures

Description

Quiz on Data Type and Data Structures, created by Harry Guest on 24/03/2015.
Harry Guest
Quiz by Harry Guest, updated more than 1 year ago
Harry Guest
Created by Harry Guest almost 10 years ago
46
1

Resource summary

Question 1

Question
Which of these are the two Numeric Data types?
Answer
  • Integer and Real
  • Character and Integer
  • Real and Character
  • String and Character

Question 2

Question
What is Boolean data?
Answer
  • Data that can have up to two values
  • Data that can only have two values
  • Data that allows us to store more than one item of data
  • Data used store characters, digits and punctuation symbols

Question 3

Question
Which of these variables would use a String?
Answer
  • Variable: TotalPrice (The cost of the tickets booked by the customer)
  • Variable: SeatNumber (For example F7, meaning the seat is in row F, number 7)
  • Variable: SeatAvailable (Whether a seat can be booked)
  • Variable: NoTickets (The number of tickets wanted)

Question 4

Question
What is a serial file?
Answer
  • Files in which records are stored in the order in which they were entered
  • Files in which records have been placed in the file according to some math­ematical hash algorithm
  • Files in which records are stored according to some key field
  • Files in which records are stored according to some key field and where one or more indexes have been created to make searching even more efficient

Question 5

Question
How would we reference the value 18 from the image?
Answer
  • 24
  • 42
  • 18
  • 8

Question 6

Question
What are the four items which need to be stated when defining an array?
Answer
  • Name of array
  • Data type of contents
  • Dimensions
  • Maximum number of elements/size of array/bounds of array
  • Length of array
  • Number of values
  • Variable types
  • Location of array

Question 7

Question
What are three advantages of using an array rather than 100 separate variables?
Answer
  • Code is easier to manage
  • Can use iteration
  • Code will be more easily scaleable
  • Code will be more accurate
  • Can use more variables
  • Allow individual data items to be accessed

Question 8

Question
What does a record do?
Answer
  • Stores a series of similar data items together under one identifier
  • Stores several different related data items under one identifier
  • Stores a series of similar data items together under multiple identifiers
  • Stores several different related data items under multiple identifiers

Question 9

Question
What is an integer used to store?
Answer
  • Whole numbers
  • Numbers that may have a decimal point

Question 10

Question
Alphanumeric data types are used to store textual data
Answer
  • True
  • False

Question 11

Question
What does the first row of the table tells us?
Answer
  • The position of each item of the array
  • The position of each item of the record
  • The position of each variable of the array
  • The position of each variable of the record
Show full summary Hide full summary

Similar

Lord of the Flies
lmg719
Crime and Deviance with sociological methods key terms
emzelise1996
AQA GCSE Physics Unit 2.1
Matthew T
Common Irish Words
silviaod119
GCSE AQA Citizenship Studies: Theme 1
I Turner
GCSE AQA Physics - Unit 1
James Jolliffe
Theories of Religion
Heloise Tudor
Mapa Conceptual de Liderazgo
gabbi.mendoza
AQA GCSE Product Design Questions
Bella Statham
el centro comercial
Pamela Dentler
Making the Most of GoConqr Flashcards
Sarah Egan