Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 18
Q281:
How many bits does Unicode use to represent characters?
A. 8 bits
B. 16 bits
C. 21 bits
D. 32 bits
Correct Answer:
C
Chapter: 18
Q282:
Which code system is known for using 24 to 32 bits, allowing for a large number of unique symbols?
A. ASCII
B. ISO-8859
C. Unicode
D. UTF-8
Correct Answer:
D
Chapter: 18
Q283:
Which organization is responsible for creating extensions to ASCII for Western language symbols?
A. IEEE
B. ANSI
C. ISO
D. Unicode Consortium
Correct Answer:
C
Chapter: 18
Q284:
What is a major limitation of ASCII extensions?
A. They can only represent English characters
B. They are incompatible with Unicode
C. They cannot handle multiple languages in a single document
D. They require more memory
Correct Answer:
C
Chapter: 18
Q285:
How many unique symbols can be represented using UTF-8 encoding?
A. 128
B. 256
C. 16777216
D. 1024
Correct Answer:
C
Chapter: 18
Q286:
What does the acronym ASCII stand for?
A. American Standard Code for International Interchange
B. American Standard Code for Information Interchange
C. American System for Character Identification
D. American System for Code Interpretation
Correct Answer:
B
Chapter: 18
Q287:
Which of the following is NOT a characteristic of Unicode?
A. Supports 21-bit patterns
B. Compliance with ASCII
C. Supports multiple languages
D. Limited to 128 characters
Correct Answer:
D
Chapter: 18
Q288:
What does a text file consist of when encoded with ASCII or Unicode?
A. Binary data
B. Image data
C. Long symbols
D. Mixed code and text
Correct Answer:
C
Chapter: 18
Q289:
Which of the following is an example of a text representation code used in early computing?
A. EBCDIC
B. ASCII
C. Unicode
D. UTF-8
Correct Answer:
B
Chapter: 18
Q290:
Which of the following codes was specifically designed to support international languages?
A. ASCII
B. ISO-8859
C. Unicode
D. ANSI
Correct Answer:
C
Chapter: 18
Q291:
In which decade were many of the early text representation codes designed?
A. 1920s
B. 1940s
C. 1960s
D. 1980s
Correct Answer:
B
Chapter: 18
Q292:
What is a key advantage of UTF-8 over ASCII?
A. It is simpler
B. It uses fewer bits
C. It can represent a vastly larger number of symbols
D. It is faster to encode
Correct Answer:
C
Chapter: 18
Q293:
Which text representation code is used to ensure compatibility with older ASCII codes?
A. EBCDIC
B. UTF-16
C. Unicode
D. ANSI
Correct Answer:
C
Chapter: 18
Q294:
What is the full form of UTF-8?
A. Universal Text Format
B. Unicode Transformation Format
C. Unicode Transmission Format
D. Universal Transmission File
Correct Answer:
B
Chapter: 19
Q295:
Why is storing numeric values in Unicode inefficient?
A. Requires less storage space
B. Takes up more space than necessary
C. Is faster
D. Provides more numeric values
Correct Answer:
B
Chapter: 19
Q296:
How many numeric values can 16 bits store?
A. 256
B. 1024
C. 65535
D. 65536
Correct Answer:
D
Chapter: 19
Q297:
What is binary notation?
A. Using digits 0 to 9
B. Using letters A to F
C. Using only the digits 0 and 1
D. Using symbols and letters
Correct Answer:
C
Chapter: 19
Q298:
How many numeric values can be represented with 4 bits?
A. 8
B. 16
C. 32
D. 64
Correct Answer:
B
Chapter: 19
Q299:
What is the range of values that can be represented with 4 bits?
A. 0 to 7
B. 0 to 15
C. 0 to 31
D. 0 to 63
Correct Answer:
B
Chapter: 19
Q300:
What is the total number of values that can be represented with 16 bits?
A. 256
B. 1024
C. 65536
D. 256000
Correct Answer:
C