WorksheetsCPU Speed and Measurement Quiz
Total questions: 80
Worksheet time: 40mins
Sophia is comparing different computers to buy for her new job. She notices that each computer lists a number followed by a unit to describe its CPU speed, also known as clock speed. What is the unit used today to measure CPU speed?
Megabytes
Gigahertz
Kilograms
Volts
What does "Gigahertz" (GHz) mean?
One million cycles per second
One thousand cycles per second
One billion cycles per second
One hundred cycles per second
What does the prefix "Giga" mean?
Million
Thousand
Hundred
Billion
What does the prefix "Mega" mean in Megahertz (MHz)?
Thousand
Billion
Million
Hundred
What is the meaning of "hertz" in the context of processing speed?
Cycles per minute
Cycles per second
Bytes per second
Volts per second
The first computers were measured in which unit for clock speed?
Megahertz
Gigahertz
Kilohertz
Terahertz
How many cycles per second does one Megahertz (MHz) represent?
One thousand
One million
One billion
One hundred
What was the name of the first computer mentioned in the material?
ENIAC (Electronic Numerical Integrator and Computer)
UNIVAC
IBM PC
Macintosh
How many cycles per second could the first computer, ENIAC, perform?
5,000 cycles per second
3,000,000,000 cycles per second
1,000 cycles per second
10,000 cycles per second
In what year was the ENIAC computer created?
1946
1950
1939
1965
What is the speed of the computers in the lab in room #326?
3.0 GHz
5 KHz
1.0 MHz
2.5 GHz
How many cycles per second can the lab computers in room #326 perform?
3,000,000,000 cycles per second
5,000 cycles per second
1,000,000 cycles per second
10,000,000 cycles per second
How many times faster are the lab computers compared to the first "super computer"?
600,000 times
1,000 times
10,000 times
1,000,000 times
What is the main topic of the video suggested in the learning material?
Networks
Plants
Mathematics
History
Which of the following is NOT mentioned in the diagram about networks?
Network Interfaces
Network Media
Electrical Signals
Solar Panels
What is a network?
A collection of two or more computers/devices connected together to share resources.
A single computer used for personal tasks.
A device used only for printing documents.
A program used to write code.
Which of the following is the largest example of a network?
The Internet
A single computer
A printer
A smartphone
What can be shared in a network?
Files, programs, and peripherals
Only food and drinks
Only books and magazines
Only chairs and tables
How can computers/devices in a network be connected?
Physically or wirelessly
Only by wires
Only by Bluetooth
Only by infrared
What does LAN stand for?
Local Area Network
Large Area Network
Long Access Network
Local Access Node
Which of the following is an example of a LAN?
Computers connected in South Hills Middle School
Computers connected between different cities
Devices connected through the internet worldwide
Mobile phones connected via Bluetooth
Where are devices in a LAN typically located?
Within a single location
In different countries
Across multiple continents
In outer space
Which of the following is NOT an example of a LAN?
Computers in an office building
Devices connected at home
Computers in South Hills Middle School
Computers connected between two cities
What does WAN stand for in computer networking?
Wide Area Network
Wireless Access Node
Web Application Network
Wide Access Node
Which of the following best describes a Wide Area Network (WAN)?
A network that extends over a large geographical area
A network that connects devices in a single room
A network used only for home computers
A network that connects only mobile phones
Which of the following is an example of a WAN?
Jordan School District
A home Wi-Fi network
A Bluetooth connection
A USB cable connection
Which of the following is also an example of a WAN?
The Internet
A classroom network
A printer connection
A local area network (LAN)
What does the diagram represent?
Wide Area Network
Personal Area Network
Local Area Network
Metropolitan Area Network
What is the main computer on a network called?
Server
Client
Router
Switch
Where are all the programs, files, and printers for the whole network stored?
On the server
On each individual computer
On the internet
On a USB drive
Which of the following is an advantage of a wired network connection?
Fast speed
Mobility
Possible interference
Security issues
What is a disadvantage of using a wired network connection?
Uses cables
Mobility
Can handle a larger amount of users
No cables
Which of the following is NOT an advantage of a wireless network connection?
Mobility
Good performance
No cables
No connection interference
What is a disadvantage of a wireless network connection?
No cables
Very convenient
Possible interference
Easy setup
Which type of network connection is generally considered more reliable?
Wired
Wireless
Both are equally reliable
Neither is reliable
What is required for a wireless network to work in various locations?
Wireless Access Points
Cables
Routers only
Switches
Which network connection is described as inexpensive and easy to set up?
Wired
Wireless
Both
Neither
What is a security concern more commonly associated with wireless networks?
Security issues
Better control & security
No connection interference
Reliable connection
What is the Internet?
A global computer network linking smaller computer networks and devices worldwide.
A type of computer hardware.
A software used for editing photos.
A local area network in a school.
In what year was the internet first available to the public?
August 6, 1991
September 4, 1998
1997
2000
When was Google founded?
September 4, 1998
August 6, 1991
1997
2005
When was social media invented?
1997 – Six Degrees
September 4, 1998
August 6, 1991
2004 – Facebook
How much time does the average American spend on the internet each week?
24 hours a week (3 ½ hours a day)
10 hours a week (1 hour a day)
48 hours a week (6 hours a day)
5 hours a week (40 minutes a day)
Which of the following is NOT shown as an activity in the "60 seconds" internet usage diagram?
Playing chess online
Text messages sent
Videos viewed on YouTube
Apps downloaded
What is the binary code for the character 'A' in ASCII?
0100 0001
0110 0001
0011 0001
0101 0001
Which character does the binary code 0110 1000 represent in ASCII?
h
H
x
t
What is the ASCII binary code for the digit '5'?
0011 0101
0100 0101
0110 0101
0011 0110
Which of the following binary codes represents the space character in ASCII?
0010 0000
0100 0000
0001 0000
0110 0000
What is the binary code for the lowercase letter 'z' in ASCII?
0111 1010
0110 1010
0111 1001
0110 1101
What is the only language a computer can understand?
Binary code
English
Hexadecimal code
Morse code
How many possible states are there in binary code?
Two
Three
Four
Ten
What are the two possible states in binary code usually symbolized by?
0 and 1
A and B
On and Off
2 and 3
What does the term "bit" stand for in computer terminology?
Binary digit
Byte information
Basic integer
Binary interface
What is the smallest unit of memory or storage space on a computer?
Byte
Bit
Kilobyte
Megabyte
Which of the following can a bit represent?
Only 1
Only 0
Either 0 or 1
Any number
How is a bit usually abbreviated?
Upper-case "B"
Lower-case "b"
Upper-case "BIT"
Lower-case "bt"
Data transfer is usually measured in which unit?
Bytes
Kilobytes
Bits
Megabytes
What does 1 Mbs stand for?
1 million bytes per second
1 million bits per second
1 thousand bits per second
1 billion bits per second
What is shown in the diagram on the slide?
The structure of a hard drive
The difference between a bit and a byte
The layout of a keyboard
The process of data transfer
How many bits are equal to one byte?
8 bits
4 bits
16 bits
2 bits
What is the abbreviation for byte?
B
b
Bt
By
How many bytes of storage does each letter take?
1 byte
2 bytes
4 bytes
8 bytes
How is storage usually measured?
In Bytes
In Bits
In Kilograms
In Seconds
How many bytes are in 1 GB?
1 Billion Bytes
1 Million Bytes
1000 Bytes
8 Bytes
Each number from 0 to 225 takes how many bits of storage?
8 bits
4 bits
16 bits
2 bits
How many bytes are in a kilobyte?
1,000 bytes
100 bytes
10,000 bytes
500 bytes
A kilobyte is approximately equal to the amount of text in which of the following?
A full page of single-spaced text
A half page of single-spaced text
Two pages of double-spaced text
A paragraph of text
How many bytes are in a megabyte?
1,000 bytes
10,000 bytes
1,000,000 bytes
100 bytes
A megabyte is approximately equal to the amount of text in which of the following?
One short story
One Harry Potter book
One paragraph
One sentence
A megabyte is roughly equivalent to which of the following types of files?
A 10-second video clip
A 2-minute song file
A single photo
A 5-minute video
How many bytes are in a gigabyte?
One million (1,000,000) bytes
One billion (1,000,000,000) bytes
One thousand (1,000) bytes
One trillion (1,000,000,000,000) bytes
A gigabyte is approximately equivalent to which of the following?
A one-minute song file
A one-hour movie file
A single photo
A short text document
How many bytes are in a terabyte?
One million (1,000,000) bytes
One billion (1,000,000,000) bytes
One trillion (1,000,000,000,000) bytes
One thousand (1,000) bytes
A terabyte is approximately equivalent to how many DVD movies?
10 DVD movies
50 DVD movies
128 DVD movies
500 DVD movies
What is the size of a Byte?
8 bits
1,000 bytes
0 or 1
1 million bytes
Which unit of computer storage is equal to 1 billion bytes?
Gigabyte
Megabyte
Kilobyte
Terabyte
How many bytes are in a Kilobyte?
1,000 bytes
8 bytes
1 million bytes
1 billion bytes
What is the smallest unit of computer storage listed in the table?
Bit
Byte
Kilobyte
Megabyte
A Terabyte is equal to how many bytes?
1 trillion bytes
1 million bytes
1 billion bytes
1,000 bytes
Which of the following is equal to 1 million bytes?
Megabyte
Gigabyte
Kilobyte
Terabyte
