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S3 Digital World
Which item is not in the CPU?
Which one is an output device?
S3 Digital World
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1
Which one is an output device?
headphones
a mouse
a microphone
a scanner
2
Which item is not in the CPU?
Control Unit
Memory address magister
Memory data register
Arithmetic Logic Unit
3
How does a bitmap work?
each pixel is a part of the picture
each pixel is divided into different colours
each grid is given a colour
each pixel is given a binary number that represents a colour
4
RAM...
requires power to retain its data.
keeps its contents even when it has no power.
5
What does RAM stand for?
Random Accesing Memory
Random Access Memory
Ranting About Men
Rolling Around Mud
6
Which one is an output device?
a monitor
a keyboard
a scanner
a poster
7
How does a computer store
real numbers
?
Using decimal
Floating Point Representation
ASCII
It can't
8
Binary of 131
11111001
10000011
00110011
10001001
9
What is purpose of RAM?
To store data that has been used
To sit there and do nothing
To store data that is being used
To store data that is about to be used
10
Vector Graphic
A quantity having direction as well as magnitude
A boy's name
A mathematical structure
Graphics made up of rectangles, lines, and ellipses
11
What is a bitmap?
A high-resolution image
A simple image
Bits mapped in a grid
Bits mapped in a circle
12
Bitmap
DPI of an image
A pixel
What you did when you were confused by directions
A type of graphic that is made up of pixels
13
RAM stands for...
Random A$$ Memory
Random Access Memory
Read and Access Memory
Read Aloud Memory
14
Which one is an input device?
a microphone
a monitor
headphones
a printer
15
Convert the binary number 01011001 to a denary number ?
434
89
56
245
16
What do vector graphics store instead of pixels data?
Circles and squares
They store the data in pixels
Colours and shapes
Details about each shape to redraw when loaded next
17
Binary? what is that
a number system with only two possible values for each digit: 0 and 1.
a number system with 10 possible values for each digit: 1 - 10
a number system with 16 possible values for each digit: 0 - F
a number system with only two possible values for each digit: 1 and 2.
18
RAM - What happens when the power is turned off?
The data is not saved
The data is saved onto virtual memory
The data is saved onto ROM
The data is saved onto the hard disk
19
What is an input device?
A device that manipulates data
A device used by a person to communicate with a computer
A device that receives data from a computer to show a person
A device that sends data to a computer to be used
20
Convert 11 (denary) to binary.
1100
1010
1001
1011
21
Convert the denary number 42 to a binary number ?
00101010
00101100
00101101
00101011
22
What are the mantissa and exponent for this number?
954, 3
954, 10
0.954, 103
0.954, 3
23
CPU stands for...
Central Processing Unit
Computer Processing Unit
Central Programming Unit
Computer Programming Unit
24
Vector or Bitmap?
VECTOR
BITMAP
25
What is Binary????
|'s and O's
A new language
something that no one understands
1's and 0's
26
Vector or Bitmap?
VECTOR
BITMAP
27
Bitmap images are made up of
Paths
Color
Layers
Pixels
28
Is this file a bitmap image or a vector graphic?
Vector Graphic
Bitmap Image
29
Vector or Bitmap?
BITMAP
VECTOR
30
Which one is an input device?
a mouse
headphones
a monitor
a printer
31
What is ASCII used for in a computer?
It stores different languages.
It represents numbers as binary.
It represents text as binary.
It represents images as binary.
32
Outline the function of the ALU
It performs calculations and comparisons using logic gates.
It performs illogical operations
It performs arithmetical and logical operations
It stores logical operations
33
What is an output device for?
to get data from a computer
to manipulate data
to put data in to a computer
to plug into a computer
34
What is an output device?
A device that sends data to a computer to be used
A device that receives data from a computer to show a person
A device used by a person to communicate with a computer
A device that manipulates data
35
What does this binary number represent?
160
180
140
120
36
ASCII is ___.
how the Internet displays images.
an audio format.
a programming language.
a binary encoding for text.
37
What is an input device for?
to see into a computer
to put data in to a computer
to get data from a computer
to plug into a computer
38
ALU stands for...
Arithmetic logic utility
Arithmetic logic unit
Arithmetic login unit
Arithmetic Logical unit
39
Which one is an input device?
speakers
a 3D printer
headphones
a scanner
40
Which input device is used to capture sound?
a speaker
a digital camera
a mouse
a microphone
41
Which one is an input device?
a monitor
a printer
headphones
a mouse
42
Which device is used to output text and graphic images during a presentation?
speakers
a projector
headphones
a printer
43
Vector or Bitmap?
VECTOR
BITMAP
44
What is an input device for?
to put data in to a computer
to see into a computer
to get data from a computer
to plug into a computer
45
What is stored in RAM?
User files.
Programs and data that are not running.
Computing boot-up instructions.
Programs and data currently being used.
46
What's 67 in binary?
11110100
01000011
01000001
01011101
47
Which one is an output device?
a controller
a keyboard
a printer
a microphone
48
Which device is used to output sound?
a monitor
a projector
headphones
a printer
49
What does the arithmetic and logic unit do?
It holds the data and programs that the CPU currently needs
Monitors communication between CPU and hardware
It carries out calculations and logic operations
Stores and converts data
50
Why use vector images over bitmapped images?
Smaller file sizes but doesn't scale perfectly
Smaller file sizes and scales perfectly
They are easier to code
Because they are used often
