WorksheetsMODULE 2 - ELECTIVE QUIZ
Total questions: 50
Worksheet time: 50mins
These are devices used to put data into the computer.
input devices
output devices
storage devices
The numbers, letters, pictures, and symbols we put inside the computer are called_______________.
data
date
anything
This input device is used to record sound.
This is also used to take pictures especially when you travel or when there is special occasion.
camera
mouse
scanner
Which of the following is not an input device?
scanner
barcode reader
stylus
printer
What kind of devices is the projector ?
input
output
Before actual processing start, data & instructions entered to the computer must be stored somewhere inside the computer
Input Unit
Control Unit
Storage Unit
Processing Unit
By selecting, interning and seeing to the execution of the program the CU is able to maintain order and direct the operations of the entire system.
Control Unit
Input Unit
Output Unit
Storage Unit
The acronym ALU stands for a computer's ___
accepted language utility
advanced logarithmic unit
arithmetic and linguistic utility
arithmetic and logic unit
The CPU is....
The part of a computer that inputs data
The part of a computer that processes instructions
The part of a computer that outputs data
The part of a computer that permanently stores data
What does CPU contains?
1. CU
2. AU
3. Buffers
1. CP
2. ALU
3. MDR
1. PC
2. ALU
3. Buses
1. CU
2. ALU
3. Registers and Buses
Von Neumann architecture all modern computers are using
True
False
It uses separate memory address for instructions and data
Von Neumann Architecture
Harvard Architecture
Data transfers and instruction fetches cannot be performed simultaneously
Von Neumann Architecture
Harvard Architecture
It uses the same physical memory address for instructions and data
Von Neumann Architecture
Harvard Architecture
What is the main difference between Von Neuman and Harvard architecture in terms of memory?
Harvard architecture uses the same bus for data and instructions
Separate buses for data and instructions in Harvard architecture
Von Neuman architecture has a single memory unit for data and instructions
Von Neuman architecture uses separate buses for data and instructions
How does the Harvard architecture improve the speed of data access?
By combining data and instruction memory, reducing access time.
By increasing the memory size, allowing more data to be stored.
By using a single memory unit for both data and instructions.
By separating data and instruction memory, allowing simultaneous access to both.
Which of the following is a type of malicious software with the main goal of replicating and spreading itself?
Worm
Virus
Spyware
Trojan Horse
A stranger online asks for your real life name, what do you do?
Tell them your name
Ask for their name first
Give them your email address instead
Do no answer at all
Which of these is NOT safe to do online?
chat to friends
Share work with fellow classmates
Arrange to meet a stranger
Homework resource
If a virus "Replicates" itself, what is it doing?
Copying itself
Deleting itself
Changing itself
Copying other data
If you think your computer has a virus, a good first step in solving the problem would be to:
Run a virus scan
Reformat the hard drive
Destroy the computer
Do nothing
The _____ type of malware collects personal information and sends it to a third party.
Worm
Toolbar
Homepage hijacker
Spyware
Gaining unauthorised access to someone else’s computer files is known as:
copyright infringement
hacking
virus attack
data theft
What is AntiVirus software?
Software that blocks all unwanted ads.
Software that keeps you from getting sick.
Software that protects your device from viruses and malware.
Which one of the following is NOT a security threat?
Worms
Hacking
Anti-Virus
Pharming
Which of the following would be considered a strong password?
Kim12345
mydogSpot
JLP17#butterflies
joesmithpelicanmiddleschool
When visiting a website, you notice a lock icon in the lower-right corner of the browser window. What
does the lock represent?
A link to open another site.
A webpage that has a secure connection.
A program that prevents you from leaving the page
A warning that you are not allowed to view this webpage.
Which of the following is an alternative name for malware?
Computer bug
Computer hack
Malicious software
Error code
Trojan Viruses ...
Trick people into downloading malicious software
Put computers in a network to control
Melt down the computer to a point of no function
Spread other malicious programs
What is a computer virus?
Covid-19
The flu
An infection of a computer that spreads to other computers.
A cold
What does a computer virus do?
Post on your instagram.
Damage your computers data.
Delete the internet.
Give your computer a fever.
What type of malware will lock your computer until you pay the hacker money?
spyware
trojan
ransomware
worm
An antivirus program should run in the background at all times
True
False
Which of these is an indicator that the website is secure.
Bruce Lee photo
The http://
The https://
The https:\\
Which of the following options is the best for securing your router?
Disable remote management on your router
Once the router is configured, log out as the administrator.
Change the router’s default name and password
All of the above.
Which of the following may result in a malware infection?
Opening an email attachment
Downloading a file from a website
Clicking on an infected link
All of the above
True or False: You should not click links that are attached to emails without checking them first.
True
False
During a Man-in-the middle attack what is the attacker doing?
Reading communication between two parties
Sending cryptocurrency to two parties
Logging files from two parties
Changing network protocols from two parties
Attack a perpetrator gets in the middle of communication to eavesdrop or impersonate
Hacking refers to activities that seek to compromise digital devices, such as computers, smartphones, tablets, and even entire networks.
A computer worm is a type of malware whose primary function is to self-replicate and infect other computers while remaining active on infected systems.
White hat hackers are the good guys of the hacker world. These people use the same technique used by the black hat hackers.
Which environment easily allows attackers to perform a man-in-the-middle attack?
Protected home network
Free Wi-Fi hotspots
School network
Work network
Phishing attacks are mainly using links (shortened URLS) to get you to give them...
money
coffee
personal information
"Information that can be used to identify you because it is unique to you." is called...
internet scam
identity theft
private information
phishing
What does CPU contains?
1. CU
2. AU
3. Buffers
1. CP
2. ALU
3. MDR
1. PC
2. ALU
3. Buses
1. CU
2. ALU
3. Registers and Buses
