WorksheetsY11 P1 DEC 23 MMD
Total questions: 100
Worksheet time: 49mins
How does data get into a computer?
Using USB flash drive
Using input devices
Using Google
Using html code
Which of the following is NOT an example of embedded system.
Microwave
Keyboard
DVD Player
Digital watch
Describe a disadvantage of using embedded computers:
If goes wrong then the equipment itself will stop working and you won't be able to use it.
They take a lot of space.
They could be used in computer control such as traffic lights.
They would use secondary storage device such as solid state memory.
Two or more computers connected close together (under a mile) in an office or building is called?
WAN
LAN
The Internet
Virtual Network
Data travels across networks in
Nibbles
Parts
Bytes
Packets
The number of times per second that a computer can perform the FETCH EXECUTE CYCLE is dictated by:
RAM
Cache size
Clock Speed
The number of cores
Which transmission media has the shortest range?
Copper Cable
Wi-Fi
Bluetooth
Fiber Optic
A company wants to use a cheap, wired, transmission media to connect their network. What would you recommend?
Copper Cable
Fiber Optic
Coaxial Cable
Bluetooth
How does fiber optic cable transmit 1s and 0s?
Using radio waves
Using electrical signals and changes in voltage
Using lasers to create pits and lands
Using pulses of light
Which of these Wi-Fi frequencies is less able to penetrate through walls?
Bluetooth
2.4 GHz
5 GHz
100 MHz
When a fiber optic signal degrades, it needs to be regenerated using a...
Regenerator
Re-opticulator
Pulse magnifier
Repeater
Replicator
This piece of software is used to control hardware devices and allow an Operating System to make use of the hardware.
Device Management
Device Driver
Device System
Hardware Peripheral Device
Operating Systems will allocate sections of RAM to the processes as part of:
Processor Management
File Management
Peripheral Management
Memory Management
A Virtual Machine is said to…
Allow the user to play games with Virtual Reality Glasses
Allow the user to virtually use an Operating System
Allow a MAC to run on Windows
Hide the complexities of the hardware from the user
The Processor doesn’t do the following
Process data
Execute instructions
Execute data
Operate in Hz
What acts as an intermediary between the processor and the main memory?
Bus
User
Cache
Clock
What is held in cache?
All the programming instructions
Commonly used instructions and data
Instructions that have been processed
Data that hasn’t been used for a long time
This would perform an operation such as 5+8 ?
Arithmetic Logic Unit
Accumulator
Cache
Control Unit
What is held in ROM?
Data currently in use
Bootstrap loader
Instructions frequently used
Operating System
This carries the address of the next instruction:
Address bus
Data bus
Control bus
System bus
What is a property of an address bus?
Carries data and instructions
Uni-directional
Bi-directional
Carries control signals
What is transferred down the data bus?
Data only
Address Only
Data and Instructions
Data, Instructions and Addressess
This is not a type of secondary storage
Blu-Ray Drive/Disc
Flash Memory
Hard Disk Drive
RAM
What is the purpose of the accumulator?
To perform arithmetic operations
To hold the results of a calculation
To hold the accumulation of instructions that have happened
To remember the previous instruction being worked on
If the processing speed goes up from 1GHZ to 4GHZ and the number of cores
goes from 1 to 8, what is the exact effect on the performance of the computer?
Eight times faster
Sixteen times faster
Thirty-two times faster
Sixty four times faster
What is the output of an OR gate if the inputs are 1 and 0?
0
1
OFF
2
What is the output of an AND gate if the inputs are 1 and 0?
0
1
ON
2
What is the output of a NOT gate if the input is 0?
0
1
OFF
2
A logic state can only be....
On or 1
Off or 1
1 or 0
In and Out
The output of a gate is only 1 when both inputs are 1
OR
NOT
NAND
AND
Which of these is a definition of a transistor
Microscopic devices that open and close circuits to communicate electrical signals.
A device used to change a circuit
A type of gate used in a CPU
Circuit components which take several inputs
Select the registers. [3]
ALU
MDR
ACC
PC
CU
Select the registers which hold memory addresses. [2]
RAM
MDR
ACC
PC
MAR
The final stage of the Fetch-Decode-Execute cycle is:
The next instruction is fetched from the RAM
The instruction is decoded so that it can be done
Any processing is done using the ALU
The PC is incremented
Which of the following is NOT a translator?
Assembler
Compiler
Interpreter
Executable
Which of the following is false:
INTERPRETED programs run slower than COMPILED programs
ASSEMBLY LANGUAGE is easier to read then MACHINE CODE
COMPILED programs are easier to debug
MACHINE CODE programs are usually HARDWARE SPECIFIC
Which of the following is false:
INTERPRETED programs run slower than COMPILED programs
ASSEMBLY LANGUAGE is easier to read then MACHINE CODE
COMPILED programs are easier to debug
MACHINE CODE programs are usually HARDWARE SPECIFIC
What is machine code?
Instructions and data in binary
Serial number of the CPU
Instructions and data in human readable form
Instructions and data in assembly code mnemonics
Why were high-level languages developed?
Low-level language was too easy
They were created by accident
Low-level languages are hard to remember and use
Computers were getting too advanced
Why do we need translators?
Computers only understand program's in assembly code.
Computers only understand program's in high-level language.
Computers only understand Norwegian.
Computers only understand program's in machine language.
What is an advantage of a Low-level language?
Executes very fast
Code occupies less memory space
Statements can be used to control specific hardware
It is easier to learn
Easier to debug
What is an advantage of a High-level language?
Executes very fast
Code occupies less memory space
Has specific statements designed to solve certain types of problems.
It is easier to learn
Easier to debug
Convert the following 4 digit binary number into denary:
0 1 1 1
6
8
7
5
9
Utility programs are usually…..?
Part of the Operating System
Brought on a disk from a store
Only needed if you are connected to the Internet
Very expensive to buy
When a hard drive becomes fragmented reading and writing files becomes…...?
Faster
Slower
No different
Harder
Defragmentation will aim to…..? (Select two)
Make more space on the hard drive
Move files further apart from each other
Move files closer together
Move free space closer together
What is the purpose of Utility Software? Click all that apply
To keep the computer organised
To ensure it has up to date software
To ensure the system runs efficiently
To translate machine code into high level code
RAM - What happens when the electricity Is turned off?
The data from the memory is saved onto virtual memory
The data from the memory is saved onto the hard disk
The data from the memory is not saved
The data from the memory is saved onto ROM
What is meant by latency in the performance of a network?
The time delay of data travelling from the source to the destination
The maximum rate that data can be transferred at
The number of errors that are found in a data packet after transmission
The route a packet takes when it is being transmitted
Which type of transmission media is the least expensive to manufacture?
Coaxial
Twisted Pair
Plastic
Fibre Optic
Which of these is a function of a router?
Forwards data packets along a network
Corrects errors that are found in data packets
A type of transmission media that provides the greatest bandwidth
A server within a network
Which of these is a correct definition of DNS?
An internet service that is used to detect errors
An internet service that stores data in large quantities for different companies
An internet service that provides a messaging service for users to communicate
An internet service that translates URLs into IP addresses
What is cloud computing?
Storing large amounts of data on a single computer
Using the internet to store and access data and software remotely
Storing hard copies of data as a backup
Using the internet to communicate with other users
What is a drawback of using cloud computing?
There can be privacy and security issues
More hardware needs to be added to a company network to store data
Only a small amount of data can be stored
Only a small amount of software can be stored
Which of these is a benefit of cloud computing?
It is always cheaper to use cloud computing
They do not need to worry about the Data Protection Act
Data can be accessed anywhere as long as they have an internet connection
Data will always be more secure in a cloud computing system
Which term describes the physical layout of a Network?
Topology
Topping
Topiology
Toppology
How does artificial intelligence become useful to society?
It becomes helpful in completing tasks quickly and efficiently thus producing more products
It becomes helpful in completing tasks quickly thus makes people lazy
It becomes helpful in making task easier and less efficient resulting to the boost of economy.
It helps us to complete our task.
In what way can artificial intelligence become harmful?
Excessive use of AI makes people lazy since they rely too much on it.
By using AI as a weapon in wars, many innocent lives will be affected.
AI replaces the human force resulting to less job opportunities to human workers.
AI programmed devices are harmful through the radiation it produces.
The following statements describe Artificial Intelligence EXCEPT
AI is very useful in the present generation increasing its productivity.
Al is a threat if mismanaged or used for bad intentions.
AI replaces humans as it is more efficient than humans.
All of the above
Which of the following statements best describes the difference between robots and humans?
Robots move differently and made up of metal.
Robots do not have feelings and emotions as compared to humans.
Robots are too smart as compared to humans.
Robots are more effective than humans.
Which of these does NOT use machine learning/AI?
driverless cars
SIRI/Alexa
Sonos wireless speakers
facial recognition on your phone
Which of these is NOT an AI technology
Facial recognition
Image recognition
Robotics
Animation
Which of the following is NOT a goal or feature of AI?
Reasoning/decision making
Forward planning
Displaying emotion
Natural Language
When a client requests a web page, what software is used as a tool?
Web Browser
Web Server
Website
Web Content
What is a network protocol?
Lets you connect to a device
Agreed method of communication across a network
Agreed way of sending emails on a network
Agreed way of checking files for errors
What does TCP stand for?
Transcript Control Protocol
Transition Control Protocol
Transmit Control Protocol
Transmission Control Protocol
A protocol that downloads emails onto a client computer and removes the mail message from the mail server.
SMTP
SFTP
POP
IMAP
HTTPS
Which protocol is responsible for transferring computer files between client and server on a computer network?
SMTP
FTP
TCP/IP
HTTP
A protocol that allows email messages to be read and stored on a messaging server.
SMTP
SFTP
POP
IMAP
HTTPS
Identify this toplogy
WAN
LAN
Star
Mesh
Ring
Select all the TRUE statements:
A peer-to-peer network has one central controlling computer.
Peer-to-peer networks are easier to set up than client-server networks
Peer-to-peer networks allow individual devices to share files between each other.
Peer-to-peer networks are commonly used in large organisations
It is easier to implement security procedures throughout a client server network than a peer to peer network.
Which network protocol will be used for banks' websites?
HTTPS
HTTP
UDP
SMTP
Question 7: What is the purpose of the HTTP protocol? (1-4)
When transferring large files, it is used to organise them and process the HTML code on
the webs page
It is used for email communication and sending emails
It makes the transfer of a webpages from the servers to the user’s device
It allows data to be communicated through a 4 Layer model
What is meant by a data packet?
A unit of data that travels along a network
The number of error found in data when it has been transmitted
The data a computer needs to connect to a network
A connection point in a network that allows data to be shared
Which if these terms refers to the maximum rate at which data can be transferred?
Error detection
Packet switching
Bandwidth
Transmission media
Which is the right order for network layers
Application Link Transport Network
Application Transport Link Network
Application Transport Network Link
Transport Link Network Application
Which layer does TCP operate on
Application
Transport
Network
Link
Which layer does IP operate on
Application
Transport
Network
Link
What is an advantage of IMAP over POP
It is quicker
It can cope with more email messages
It will synchronise all devices with the users mailbox
It has more space to store old messages
What is the technical word for 'Delay'?
Bandwidth
Latency
Backbone router
Web Server
Which layer splits data into packets?
Transport Layer
Application Layer
Network Layer
Link Layer
An OS which you would use in day-to-day life on a normal school computer is a...
Embedded
Real Time
Distributed
Multi-Tasking
Multi-User
What is the output Y of this logic cricuit if A = 1, B = 1, and C = 1
0
1
What is the output Z of this logic cricuit if A = 1 and B = 1
0
1
