SDD

Question 1

Why do computers use binary

Answer 1

Computers use binary to store things,work with decimals the computer has to convert them to binary

Question 2

Why do computers use binary

Answer 2

Computers use binary to store things,work with decimals the computer has to convert them to binary

Question 3

How do you convery Denary to binary

Answer 3

Devide the number by two and keep track of remainders then read from bottom two top

Question 4

How to covert binary to denary

Answer 4

Write out all the values from left to right then add them all up

Question 5

Range of values

Answer 5

Smallest number = 0 larget number = 255

Question 6

Number of values

Answer 6

256

Question 7

Adding binary

Answer 7

1+0=1
0+0=0
1+1=0 carry 1

Question 8

Rectangle FC SD

Answer 8

Process

Question 9

Parallelogram FC

Answer 9

Input/output

Question 10

Diamond FC

Answer 10

Decision

Question 11

Rectangle with lines FC SD

Answer 11

Pre defined function

Question 12

Smooth rectangle FC

Answer 12

Terminal

Question 13

Hexagon FC

Answer 13

Iniharison

Question 14

Circle FC

Answer 14

On page connector

Question 15

—–> FC

Answer 15

Flowlines

Question 16

Hexagon SD

Answer 16

Decision

Question 17

Smooth rectangle SD

Answer 17

Loop

Question 18

Vector graphics

Answer 18

Stored as objects and attributes

Question 19

Bit map graphics

Answer 19

Stored as pixels in binary

Question 20

Resolution

Answer 20

The quality of th image is determined by the number of pixels used

Question 21

Colours

Answer 21

Many different shades and stored in bits

24 bit colour is true colour

Question 22

Storage requirements

Answer 22

Storage (bits) = area(inches2)x pixels in a square inches x bit depth (bits)

Question 23

Textual data

Answer 23

A character is a symbol,number or letter on the keyboard