SDD Notes lol

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

Define: the ALU

Back (Answer)

the [Arithmetic Logic Unit] deals with all calculations and logic decisions

Front (Question)

the more bits used to represent each character;

Back (Answer)

the larger the file size will be

Front (Question)

parts of the processor: (3)

Back (Answer)

registers the ALU the control unit

Front (Question)

Define: array

Back (Answer)

arrays store multiple values of the same data type

Front (Question)

is a gif standard file format?

Back (Answer)

yes

Front (Question)

Compilers: translate speed

Back (Answer)

all at once - faster

Front (Question)

largest unit of storage?

Back (Answer)

Petabyte (Pb)

Front (Question)

example of a logic error

Back (Answer)

trying to calculate average from sum of 4, 5 and 6 but instead of the output being 5 it is 15

Front (Question)

Define: Interfaces

Back (Answer)

an interface allows two devices to communicate with each other

#10

Front (Question)

equals

Back (Answer)

#11

Front (Question)

Integer

Back (Answer)

Whole Number

#12

Front (Question)

how does using a breadcrumb aid navigation

Back (Answer)

helps user view path taken to reach this page OR useful to retrace steps and go back to previous pages OR useful in indicating section of current page to orientate user

#13

Front (Question)

what is Unicode mainly used for

Back (Answer)

storing languages with very large character sets

#14

Front (Question)

state the data structure that would be used to store a list of Price values examples of Price values: 34.3, 66.1, 92.3

Back (Answer)

an array of real numbers

#15

Front (Question)

how many bits does Extended ASCII use per character

Back (Answer)

8-bits; 2^8

#16

Front (Question)

Define: graphical object

Back (Answer)

An object that can be placed on the user interface that can contain a picture

#17

Front (Question)

Interpreters: when does the program need to be translated

Back (Answer)

every time the program is run - slower

#18

Front (Question)

Define: pre-defined functions

Back (Answer)

Code that has been created to perform a certain action which does not need to be programmed but can be used by the programmer

#19

Front (Question)

explain how a search engine is used to produce a list

Back (Answer)

through a search that matches user searched keywords then searches a database of known pages.

#20

Front (Question)

Python expression(s) to assign values to variables

Back (Answer)

declaring it: counter=0 requesting input: age=input(“How old are you?”) changing an existing value: total=total+mark

#21

Front (Question)

real numbers are stored using

Back (Answer)

a mantissa and exponent

#22

Front (Question)

Define: Machine Code

Back (Answer)

the language that a computer understands which is made up from a combination of 1s and 0s

#23

Front (Question)

why is file compression used before transferring files to cloud storage

Back (Answer)

so the upload / transfer is faster OR so more files can be stored

#24

Front (Question)

Compilers: when does the program need to be translated

Back (Answer)

only once as the translated code can be saved - faster