Font size
Worksheets500 CÂU HỎI TRẮC NGHIỆM TIN HỌC 10
Total questions: 105
Worksheet time: 1hrs 5mins
What is the common form that information is transformed into when input into a computer?
Text.
Sound.
Image.
Bit sequence.
What are the steps in the information processing process?
Receiving data, processing data, outputting results.
Receiving information, processing information, outputting results.
Receiving information, converting to data, calculating data, outputting results.
All three answers are incorrect.
What is information?
Texts and figures.
Everything that gives us understanding.
Text, image, sound.
Image, sound.
Choose the correct statement from the following:
1MB = 1024KB.
1PB = 1024GB.
1ZB = 1024PB.
1Bit = 1024B.
Which statement is incorrect regarding the relationship between information and data?
Data is information that has been input into a computer.
Information is the meaning of data.
Information and data have a relatively independent relationship.
Information lacks integrity.
Which statement is most appropriate about the concept of bit?
Just the digit 1.
A number with 1 digit.
Unit of measurement for knowledge.
Unit of measurement for information.
What is the purpose of information encoding?
To change the amount of information.
To convert information into machine language commands.
To make information compatible with data in the machine.
All A, B, C are correct.
The basic unit of information measurement is:
Bit.
GHz.
GB.
Byte.
What is the essence of the information encoding process?
Convert binary sequences to another counting system.
Input information into the computer.
Convert information to binary bits.
Identify information.
Choose the correct statement from the following:
Data is information.
RAM is external memory.
Floppy disk is internal memory.
One byte has 8 bits.
Choose the correct statement from the following:
Data is information.
RAM is external memory.
Floppy disk is internal memory.
One byte has 8 bits.
1 byte can represent how many different states?
65536.
256.
255.
8.
Choose the correct statement from the following:
Data is information that has been input into the computer.
CPU is a memory area that acts as an intermediary between memory and registers.
Hard disk is internal memory.
8 bytes = 1 bit.
Please choose the correct matching option: The binary counting system is commonly used in computing because...
It is easy to convert to decimal representation.
It is the only even prime number.
A circuit can have two states (on/off) to represent '1' and '0'.
It is easy to use.
Choose the incorrect statement from the following:
Choose the correct option: Encoding information into data is the process of...
Transforming external information into internal information of the computer.
Transforming information into a form that the computer can process.
Transforming information into ASCII format.
Changing the representation form so that others cannot understand.
Choose the appropriate group of words to fill in the following sentence: The field of computer science is closely related to... and ... electronic computers.
Consumption, development.
Development, consumption.
Usage, consumption.
Development, usage.
Which tool is associated with the information civilization?
Generator.
Electronic computer.
Clock.
Steam engine.
In which of the following situations does a computer perform better than a human?
In which of the following situations does a computer perform better than a human?
When translating a document.
When performing a complex calculation.
When diagnosing a disease.
When analyzing a person's psychology.
Which statement about the capabilities of computers is the most appropriate?
Programming and word processing.
Information processing tool.
Entertainment.
All of the above.
What is the characteristic of the field of computer science?
The process of researching and applying computational tools.
The process of researching and processing information automatically.
The process of researching and deploying applications inseparable from the development and use of electronic computers.
The process of researching and processing information.
Choose the correct option that describes the term computer science in the following sentences: Computer science is...
Programming for computers.
Computers and related tasks.
Applying computers in information processing activities.
The science of automatic information processing based on electronic computers.
Which statement below is false?
A good computer is small, compact, and beautiful.
Computers have changed the way we manage and communicate in society.
Computer programs are increasingly meeting practical applications and are easier to use.
The price of computers is decreasing, but their speed and accuracy are increasing.
Computers have become an indispensable tool in modern society because:
Computers calculate extremely quickly and accurately.
Computers are word processing tools and allow us to access the Internet to search for information.
Computers help humans solve all difficult problems.
Computers give us the ability to store and process information.
Computer science is a scientific field because it is a field:
Computer science is a scientific field because it has its own content, goals, and research methods.
Has its own content, goals, and research methods.
Was born in the information civilization.
Uses electronic computers.
Studies electronic computers.
What is the most prominent feature of today's society?
The birth of mechanical machines.
The birth of electronic computers.
The birth of airplanes.
All of A, B, C.
What are the advantages of electronic computers?
Computers can connect with each other to form a network, and computer networks create a very good information collection and processing capability.
Computers can store a large amount of information in a very limited space.
Computers can work 24/7.
All of A, B.
Which of the following statements is correct?
Computers are the only intellectual product of humans.
Learning computer science is learning to use computers.
Computers can completely replace humans in processing information.
Humans must have knowledge of computer science to develop comprehensively in modern society.
Can computers completely replace humans in information processing?
Computers can completely replace humans in information processing.
Humans must have knowledge of informatics to develop modern society.
There are many types of information that only humans can process, such as emotions.
The strength of computers depends on human understanding.
What factors does the strength of a computer depend on?
Its calculation speed.
The cost is getting cheaper.
The ability and understanding of humans.
Its large storage capacity.
What is the biggest limitation of today's computers?
Storage capacity is still low compared to demand.
The cost is still high compared to current living standards.
Internet connection is still slow.
They do not have comprehensive thinking ability like humans.
Which of the following is a smart device?
A watch connected to a phone via Bluetooth.
A scale.
A socket.
A multifunctional lock.
Find the most accurate statement about information representation:
Information representation is a way to encode information.
Information representation is a way to encode information into binary data.
Information representation is a way to encode information into binary information.
Information representation is the transformation of information into binary data.
Find the false statement among the following statements:
When information is input into a computer, it is converted into data.
Data is a number that can be calculated and compared.
Data is text that cannot be separated for comparison.
Information representation is the encoding of information.
Which of the following is not a common data type?
Text.
Number.
Logic.
Bit.
What is the purpose of classifying data?
To facilitate information processing.
To have a suitable representation to facilitate information processing.
To easily name and distinguish.
To process information accurately.
How many correct statements are there in the following statements?
Initially, the ASCII code represented exactly 128 characters.
The extended ASCII code uses 8 bits to represent all characters.
The ASCII code uses 3 bytes to represent vowels.
All k
Which of the following statements is true?
4.
1.
3.
2.
In the Vietnamese Unicode table, how many bytes does each character use?
1 byte.
2 bytes.
From 1 to 3 bytes.
3 bytes.
Which data types are mentioned in the high school program?
Text, number.
Logic.
Multimedia.
All A, B, C.
Which character is not in the Latin alphabet?
G.
H.
Đ.
L.
When did Vietnam issue the use of UTF-8?
2015.
2016.
2017.
2018.
What type of storage does a text file use?
External memory.
Internal memory.
Both memories.
No memory.
How many bits does the extended ASCII use to represent one character?
8.
16.
32.
256.
Why is Unicode necessary?
To ensure equality for all countries in computer applications.
ASCII table.
Why is Unicode necessary?
To ensure equality for all countries in computer applications.
The ASCII table encodes each character with 1 byte. The cost of storage devices is decreasing, so there is no need to use character sets encoded with 1 byte.
To use a common character set for all countries, solving the problem of insufficient space for the character set of some countries, meeting the need to use multiple languages simultaneously in the same application.
For countries that use pictographic characters.
The process of encoding information into binary data is called?
Information encoding.
Information representation.
Information processing.
Information provision.
What step is information representation in the process of inputting information into a computer?
First.
Second.
Third.
Fourth.
In the Unicode character set for Vietnamese, how many bytes is each character represented by?
1.
4.
8.
32.
Which binary sequence below represents the decimal number '3'?
11.
101.
001.
01.
What is the decimal value of the binary number 100112?
17.
18.
19.
20.
What is the decimal value of the binary number 100112?
17
18
19
20
What method is used to represent numbers in computers?
Static point
Dynamic point
None
Both A and B
What digits are used in the binary system?
0 and 1
1 and 2
2 and 3
0 and -1
How is addition performed in the binary system?
Similar to the decimal system
Different from the decimal system
Opposite to the decimal system
From left to right
What is the result of the addition 100002 + 1002?
110002
100102
101002
100002
Which system is used for arithmetic calculations in computers?
Decimal system
Hexadecimal system
Binary system
All of the above
What is the result of the multiplication 11012 x 1012?
1000002
1010102
10101012
10000012
Which decimal number can be represented by two different binary numbers?
0
1
Negative number
None
How many different numbers can be represented in binary?
Number 0.
Number 1.
Negative number.
None.
How to distinguish numbers in different bases?
Add a subscript.
Add a superscript.
Put parentheses next to it.
Add a note after writing.
In decimal system, each number can be expressed as a sum of powers of which number?
Number 1.
Number 2.
Number 16.
Number 10.
How many bytes are needed to represent the number 62010 in binary?
2.
4.
6.
8.
How many steps are needed to perform calculations on a computer with decimal numbers?
2.
3.
4.
5.
How to analyze the number 1910 into decimal?
1×10^1 + 9×10^0.
1×2^1 + 9×2^0.
9×10^1 + 1×10^0.
19×10^1.
How to analyze the number 1310 into binary as powers of 2?
1×2^3 + 1×2^2 + 0×2^1 + 1×2^0.
0×2^3 + 0×2^2 + 1×2^1 + 1×2^0.
1×2^3 + 1×2^2 + 1×2^1 + 1×2^0.
1×2^3 + 0×2^2 + 1×2^1 + 1×2^0.
What property does the proposition have?
Only true.
Only false.
True or false.
True and false.
Which of the following propositions is true?
9 is a prime number.
5 is a composite number.
3.2 is an irrational number.
0 is neither a prime nor a composite number.
What values can logical quantities take?
True or False.
Greater or less.
Equal.
Cannot take any value.
In programming languages, can variables or functions hold logical values?
Yes.
No.
Both yes and no.
Cannot hold logical values.
What is the English term for the logical operation known as conjunction?
OR.
AND.
NOT.
MORE.
What is the result of the logical sum of two true propositions?
False.
No value.
True.
False or True.
In a logical expression, which operation is performed first?
Disjunction.
Conjunction.
Operations in parentheses.
All at the same time.
What operation is prioritized in a logical expression?
Selection.
Combination.
Operations in parentheses.
All at the same time.
Which numbers represent the logical values 'True' and 'False' in logic algebra?
0 and 1.
2 and 1.
1 and 0.
-1 and 1.
How many bits are needed to represent logical data at least?
0.
1.
2.
3.
What is the result of the conjunction of proposition p and the negation of p?
1 or 0.
No result.
1.
0.
In the Python programming language, the true value is represented by:
D.
True.
0.
Any number other than 0.
To represent logical data, which two characters are used in programming languages?
D and S.
T and F.
A and S.
No characters are used.
Find the false proposition among the following propositions:
9 is a perfect square.
23 is a prime number.
0 is the smallest natural number with 1 digit.
10 is a prime number and the smallest natural number with 2 digits.
For the proposition '9 is a prime number', find the negation of the above proposition?
What is the negation of the statement '9 is a prime number'?
5 is a prime number.
9 is not a natural number.
9 is not a prime number.
0 is a natural number.
What is the conjunction of the statements 'Nam is diligent' and 'Nam studies very well'?
Nam is diligent and Nam studies very well.
Nam studies very well or Nam is diligent.
Nam is not diligent and Nam studies very well.
Nam is diligent but Nam does not study well.
Which sense does sound data come through?
Smell.
Hearing.
Sight.
Touch.
Which sense does image data come through?
Sight.
Touch.
Hearing.
No sense.
Can computers receive sound and image data?
No.
Yes.
Only recognize sound data.
No sound or image data.
What is the basic method of sound digitization?
Pulse code modulation.
Pulse code interruption.
Pulse code transmission.
Pulse code modulation.
How many steps are involved in the pulse code modulation method?
What is the basic method of sound digitization?
Pulse code modulation
Amplitude modulation
Frequency modulation
Phase modulation
How many steps are involved in pulse code modulation?
1
2
3
4
What is the sampling period?
The time interval between two pulse code modulations.
The time interval between three samples.
The time interval between two samples.
The evenly spaced time points.
What is the number of bits required to represent one second of sound called?
Bit rate
Bit length
Bit distance
Digital signal
What is the function of the DAC circuit in digital audio devices?
To transmit electricity.
To recreate the analog signal from the digital signal to output through speakers or headphones.
To transmit sound pulses.
Has no function.
How many main methods are there to reduce audio file size?
2
3
4
5
What file extensions are used for original bitmap images?
.PNG
.jpg
.bmp
.pic
What file extensions are original bitmap images saved in?
.PNG
.jpg
.bmp
.pic
How many bits is each pixel encoded by in a computer?
16
24
32
48
Which color system is used for images displayed on computers?
RBY
RGB
CMYK
All A, B, C
What is the color depth of a common grayscale image?
4
8
32
64
Fill in the blank: The file size of a .jpeg image is ...
(a)
What colors are present in black and white images?
Red and black
Countless colors
Red, yellow, and blue
Black and white
How many network ports can a router have?
4
5
7
Countless
What is the range of internet usage?
Only at home
Only at work
Only on computers and phones
Global
