#1
What is the binary representation of the decimal number 10?
1010
ExplanationBinary representation of 10 in decimal is 1010.
#2
In hexadecimal, what does the letter 'A' represent?
10
ExplanationIn hexadecimal, 'A' represents the decimal value 10.
#3
Which of the following is a valid hexadecimal number?
1A3
Explanation1A3 is a valid hexadecimal number.
#4
What is the purpose of EBCDIC in computing?
To encode characters in mainframe systems
ExplanationEBCDIC is used to encode characters in mainframe computing systems.
#5
What is the purpose of a parity bit in binary data transmission?
To ensure even or odd number of 1s for error detection
ExplanationA parity bit in binary data transmission ensures an even or odd number of 1s for error detection.
#6
In a 32-bit floating-point representation, how many bits are typically used for the exponent?
11
ExplanationIn a 32-bit floating-point representation, 11 bits are typically used for the exponent.
#7
What is the purpose of the Gray code in rotary encoders?
To minimize errors in data transmission
ExplanationGray code in rotary encoders minimizes errors in data transmission.
#8
In digital systems, what does the term 'bitmasking' refer to?
A technique to manipulate individual bits in a binary number
ExplanationBitmasking is a technique to manipulate individual bits in a binary number.
#9
What is the purpose of the Floating-Point Unit (FPU) in a computer processor?
To perform floating-point arithmetic operations
ExplanationThe Floating-Point Unit (FPU) in a computer processor is designed to perform floating-point arithmetic operations.
#10
In digital systems, what does the term 'bus' refer to?
A communication pathway for transferring data between components
ExplanationA bus in digital systems refers to a communication pathway for transferring data between components.
#11
What is the purpose of ASCII in digital systems?
To encode characters as binary numbers
ExplanationASCII is used to represent characters as binary numbers in digital systems.
#12
What is the two's complement representation of -5 in a 4-bit system?
1101
ExplanationThe two's complement representation of -5 in a 4-bit system is 1101.
#13
In a 16-bit binary number, how many bits are used to represent the fractional part in IEEE 754 floating-point representation?
6
ExplanationIn a 16-bit binary number in IEEE 754, 6 bits are used to represent the fractional part.
#14
What is the purpose of Gray code in digital systems?
To simplify the design of electronic circuits
ExplanationGray code is used to simplify the design of electronic circuits in digital systems.
#15
What is the purpose of the Hamming code in error detection and correction?
To detect and correct errors in binary data
ExplanationHamming code is used to detect and correct errors in binary data.
#16
Which of the following is true about Little-endian and Big-endian architectures?
Big-endian stores the least significant byte first
ExplanationIn Big-endian architecture, the least significant byte is stored first.
#17
What is the primary advantage of using Gray code in digital communication?
Minimized error rates during transmission
ExplanationThe primary advantage of using Gray code in digital communication is minimized error rates during transmission.
#18
What is the purpose of the Manchester encoding in digital communication?
To achieve synchronization and ensure bit transitions
ExplanationManchester encoding in digital communication is used to achieve synchronization and ensure bit transitions.
#19
What is the primary advantage of using Gray code in rotary encoders?
Increased precision in position sensing
ExplanationThe primary advantage of using Gray code in rotary encoders is increased precision in position sensing.
#20
In digital communication, what is the purpose of the Stop Bit in asynchronous serial communication?
To indicate the end of a data frame
ExplanationThe Stop Bit in asynchronous serial communication indicates the end of a data frame.
#21
What is the significance of the most significant bit (MSB) in a binary number?
It represents the sign (positive or negative)
ExplanationThe MSB in a binary number indicates its sign, whether positive or negative.
#22
In digital systems, what does the term 'endian' refer to?
The order of bytes in a multi-byte data representation
ExplanationEndian refers to the byte order in a multi-byte data representation in digital systems.
#23
What is the purpose of the BCD (Binary Coded Decimal) representation?
To simplify arithmetic operations
ExplanationBCD representation is used to simplify arithmetic operations in digital systems.
#24
What is the significance of the term 'Nibble' in computing?
It represents half a byte
ExplanationA nibble in computing represents half a byte, consisting of 4 bits.
#25
What is the significance of the term 'Hexadecimal' in digital systems?
It is a base-16 number system
ExplanationHexadecimal is a base-16 number system commonly used in digital systems.