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Paper 1 - 2017 Flashcards | StudBud
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Paper 1 - 2017
Paper 1 - 2017
36 terms
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StudBud Administration
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Edexcel
Flashcards
36 cards
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Practice quiz
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Questions
36
Answers
1
Construct an expression to calculate the file size in KB of this image.
24 x 400 x 250
24 x 400 x 250/8 x 1024
24 x 400 x 250/8
24 x 400 x 250/1024
2
Explain how data is stored on a solid state disc.
changing the value of some of transistors from 1 to 0
A save operation uses an electrical charge to create a binary string...
on the platter where each region represents a bit.
Data is stored digitally in the form of tiny magnetized regions...
3
Identify the type of cyber attack from which HTTPS offers some protection
Phishing emails
Unpatched software
Eavesdropping
Denial of service
4
The result of carrying out an arithmetic shift, one place to the right, to a binary integer
The number is multiplied by 8
The number is divided by 4
The number is divided by 2
The number is multiplied by 2
5
Explain why RLE would not be useful.
therefore RLE will not compress the image very much.
The sequence has very few repeated patterns
therefore RLE will compress the image a lot
The sequence has many repeated patterns
6
How is data saved to a solid state drive
changing the value of some of transistors from 1 to 0.
of a metal spinning disk. Each tiny section represents one bit.
Magnetic fields magnetise tiny individual sections
A save operation uses an electrical charge to create a binary string
7
AND Output for Input 0 and 1
1
8
0
4
8
Identify the protocol used for email
URL
RLE
ASCII
IMAP
9
Explain how data is stored on a magnetic disc.
changing the value of some of transistors from 1 to 0
Data is stored digitally in the form of tiny magnetized regions...
A save operation uses an electrical charge to create a binary string...
on the platter where each region represents a bit.
10
Construct an expression to calculate the file size in bits of this image.
24 x 400 x 250
24 x 400 x 250/1024
24 x 400 x 250/8
24 x 400 x 250/8 x 1024
11
How is data saved to a magnetic disc?
Magnetic fields magnetise tiny individual sections
changing the value of some of transistors from 1 to 0.
A save operation uses an electrical charge to create a binary string
of a metal spinning disk. Each tiny section represents one bit.
12
Describe the role of a client work station
Client-Server
To provide a platform for users to run applications
Peer to Peer
Enable users to access resources provided by the server.
13
Identify the protocol used to upload files to a web server
FTP
IMAP
SMTP
POP3
14
State the type of organisation you will have to pay to access the Internet.
Internet Service Provider
Switch
Router
LAN
15
Identify the software used to imitate a real life situation.
Simulation
Application
System
Utility
16
Construct an expression to calculate the file size in bytes of this image.
24 x 400 x 250
24 x 400 x 250/8
24 x 400 x 250/8 x 1024
24 x 400 x 250/1024
17
Explain the purpose of HTTP
Provides a set of rules which defines
a client and a server.
that enables the exchange of data between
how messages are formatted and transmitted
18
Identify the network model where all work stations are equal.
To provide a platform for users to run applications
Client-Server
Enable users to access resources provided by the server.
Peer to Peer
19
Identify the protocol used to SEND email messages to an email server
FTP
IMAP
POP3
SMTP
20
Identify the functions of an operating system
Multimedia Parsing
Process Management – allocated resources to run programs
File Management – a system for files to manipulated.
Random Selection / Iteration
21
Give the sequence of values visited to find the target value using a binary search
9,5,3,2
9,3,5,2
9,13,15,16
9,5,2,3
22
OR Output for Input 0 and 1
0
8
1
4
23
Identify the type of memory used to store a computer's start-up program.
Virtual
Cache
RAM
ROM
24
Identify the protocol used to RECEIVE email messages to an email server
POP3
SMTP
IMAP
FTP
25
Describe the topology of a star network
All data passes through a switch to its destination.
Every node connects to a central network device.
Uses NetBSD
Answers to LANFALL protocols
26
AND Output for Input 1 and 0
0
8
1
4
27
Describe the role of a router.
Transmits and receives radio waves from the tablets thus
Connects the LAN to the Internet.
enabling devices to connect to a network using wifi.
Uses routing information to forward data packets.
28
Identify the binary system used to represent text.
ASCII
IMAP
URL
RLE
29
Describe the concept of a stored program.
A program must be in memory to be executed.
File Management
...decoded and executed in the processor.
Instructions are fetched from memory one at a time...
30
Identify the address of a World Wide Web page
RLE
URL
ASCII
IMAP
31
What is the purpose of program translation?
Change low level code into machine code
Change hexadecimal into machine code
Change high level code into machine code
Change binary into machine code
32
Why use a high level programming language?
can be developed without knowledge of hardware.
Portability:
Non-Specialist:
the source could be translated to run on various computers
33
Describe the role of a wireless access point.
enabling devices to connect to a network using wifi.
Connects the LAN to the Internet.
Transmits and receives radio waves from the tablets thus
Uses routing information to forward data packets.
34
Identify a method of program translation
Selection
Iteration
Compilation
Interpretation
35
Identify the component of the CPU that holds the current instruction.
Arithmetic and Logic Unit
Data Bus
Control Unit
Register
36
OR Output for Input 1 and 1
1
4
8
0
