Q. Which of the following is NOT a valid IP address?
-
A.
192.168.1.1
-
B.
255.255.255.255
-
C.
300.1.1.1
-
D.
10.0.0.1
Solution
300.1.1.1 is not a valid IP address because each octet must be in the range of 0-255.
Correct Answer:
C
— 300.1.1.1
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Q. Which of the following is NOT a valid IPv6 address format?
-
A.
2001:0db8:85a3:0000:0000:8a2e:0370:7334
-
B.
2001:db8::ff00:42:8329
-
C.
192.168.1.1
-
D.
::1
Solution
192.168.1.1 is an IPv4 address format, while the others are valid IPv6 address formats.
Correct Answer:
C
— 192.168.1.1
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Q. Which of the following is NOT a valid IPv6 address format?
-
A.
2001:0db8:85a3:0000:0000:8a2e:0370:7334
-
B.
2001:db8::ff00:42:8329
-
C.
192.168.1.1
-
D.
::1
Solution
192.168.1.1 is an IPv4 address format, while the others are valid IPv6 address formats.
Correct Answer:
C
— 192.168.1.1
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Q. Which of the following is NOT a valid IPv6 address format?
-
A.
2001:0db8:85a3:0000:0000:8a2e:0370:7334
-
B.
2001:db8::ff00:42:8329
-
C.
192.168.1.1
-
D.
::1
Solution
192.168.1.1 is an IPv4 address format, while the others are valid IPv6 address formats.
Correct Answer:
C
— 192.168.1.1
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Q. Which of the following is NOT a valid normalization form?
-
A.
First Normal Form (1NF)
-
B.
Second Normal Form (2NF)
-
C.
Third Normal Form (3NF)
-
D.
Fourth Normal Form (4NF)
Solution
All listed forms are valid normalization forms; however, 4NF is less commonly discussed than the first three.
Correct Answer:
D
— Fourth Normal Form (4NF)
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Q. Which of the following is NOT an input device?
-
A.
Keyboard
-
B.
Mouse
-
C.
Monitor
-
D.
Scanner
Solution
A monitor is an output device, while keyboard, mouse, and scanner are input devices.
Correct Answer:
C
— Monitor
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Q. Which of the following is the correct binary addition of 1011 and 1101?
-
A.
11000
-
B.
10100
-
C.
10010
-
D.
11110
Solution
1011 + 1101 in binary equals 11000.
Correct Answer:
A
— 11000
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Q. Which of the following is the correct binary representation of the decimal number 5?
-
A.
101
-
B.
100
-
C.
110
-
D.
111
Solution
The binary representation of 5 is 101.
Correct Answer:
A
— 101
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Q. Which of the following is the correct simplification of the expression A OR (A AND B)?
-
A.
A
-
B.
B
-
C.
A AND B
-
D.
A OR B
Solution
Using the Absorption Law, A OR (A AND B) simplifies to A.
Correct Answer:
A
— A
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Q. Which of the following is the correct symbol for an Ex-NOR gate?
-
A.
A standard AND gate symbol
-
B.
A standard OR gate symbol
-
C.
An Ex-OR gate symbol with a circle at the output
-
D.
A NOT gate symbol
Solution
The Ex-NOR gate is represented by an Ex-OR gate symbol with a circle at the output, indicating negation.
Correct Answer:
C
— An Ex-OR gate symbol with a circle at the output
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Q. Which of the following is the correct symbol for an XOR gate?
Solution
The correct symbol for an XOR gate is represented by option B.
Correct Answer:
B
— B
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Q. Which of the following is the hexadecimal equivalent of the binary number 1111?
Solution
The binary number 1111 is equivalent to F in hexadecimal.
Correct Answer:
A
— F
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Q. Which of the following is the result of the expression A OR NOT A?
Solution
The expression A OR NOT A is always true, which is represented by 1.
Correct Answer:
C
— 1
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Q. Which of the following logic functions can be implemented using MSI circuits?
-
A.
Only basic gates
-
B.
Complex arithmetic operations
-
C.
Memory storage
-
D.
All of the above
Solution
MSI circuits can implement a variety of functions, including basic gates, complex arithmetic operations, and memory storage.
Correct Answer:
D
— All of the above
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Q. Which of the following materials is a common semiconductor?
-
A.
Copper
-
B.
Silicon
-
C.
Aluminum
-
D.
Gold
Solution
Silicon is the most widely used semiconductor material in electronic devices due to its favorable electrical properties.
Correct Answer:
B
— Silicon
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Q. Which of the following NAT types allows for the mapping of a range of private IP addresses to a range of public IP addresses?
-
A.
Static NAT
-
B.
Dynamic NAT
-
C.
Port Address Translation (PAT)
-
D.
NAT overload
Solution
Dynamic NAT allows for the mapping of a range of private IP addresses to a range of public IP addresses, providing more flexibility than static NAT.
Correct Answer:
B
— Dynamic NAT
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Q. Which of the following PLDs is known for its ability to handle complex logic functions?
-
A.
PAL
-
B.
PLA
-
C.
FPGA
-
D.
CPLD
Solution
FPGAs are known for their ability to handle complex logic functions due to their large number of configurable logic blocks.
Correct Answer:
C
— FPGA
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Q. Which of the following protocols is used for exchanging routing information between different autonomous systems?
-
A.
OSPF
-
B.
BGP
-
C.
RIP
-
D.
EIGRP
Solution
BGP (Border Gateway Protocol) is used for exchanging routing information between different autonomous systems.
Correct Answer:
B
— BGP
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Q. Which of the following protocols is used for reliable data transmission?
-
A.
UDP
-
B.
TCP
-
C.
ICMP
-
D.
ARP
Solution
TCP (Transmission Control Protocol) is used for reliable data transmission, ensuring data is delivered accurately.
Correct Answer:
B
— TCP
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Q. Which of the following protocols is used for remote access in WANs?
-
A.
Telnet
-
B.
SMTP
-
C.
DNS
-
D.
DHCP
Solution
Telnet is a protocol used for remote access to devices over a WAN, allowing users to manage devices from a distance.
Correct Answer:
A
— Telnet
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Q. Which of the following protocols is used for secure data transmission over the internet?
-
A.
HTTP
-
B.
FTP
-
C.
HTTPS
-
D.
SMTP
Solution
HTTPS (Hypertext Transfer Protocol Secure) is used for secure data transmission over the internet.
Correct Answer:
C
— HTTPS
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Q. Which of the following represents a D flip-flop?
-
A.
Data flip-flop
-
B.
Delay flip-flop
-
C.
Dynamic flip-flop
-
D.
Dual flip-flop
Solution
A D flip-flop is also known as a Data flip-flop.
Correct Answer:
A
— Data flip-flop
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Q. Which of the following represents the Complement Law?
-
A.
A AND 0 = 0
-
B.
A OR 1 = 1
-
C.
A AND NOT A = 0
-
D.
A OR NOT A = 1
Solution
The Complement Law states that A AND NOT A = 0.
Correct Answer:
C
— A AND NOT A = 0
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Q. Which of the following represents the complement of A?
-
A.
A
-
B.
NOT A
-
C.
A AND NOT A
-
D.
A OR NOT A
Solution
The complement of A is represented by NOT A.
Correct Answer:
B
— NOT A
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Q. Which of the following statements about VHDL is true?
-
A.
It is case-sensitive
-
B.
It does not support comments
-
C.
It is primarily used for software development
-
D.
It cannot model concurrent processes
Solution
VHDL is case-sensitive, meaning that 'Signal' and 'signal' would be considered different identifiers.
Correct Answer:
A
— It is case-sensitive
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Q. Which of the following statements is true about XOR gates?
-
A.
They are universal gates
-
B.
They can only have two inputs
-
C.
They are used for addition
-
D.
They are the same as AND gates
Solution
XOR gates are used for addition in binary arithmetic.
Correct Answer:
C
— They are used for addition
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Q. Which of the following storage devices is the fastest?
-
A.
HDD
-
B.
SSD
-
C.
USB Flash Drive
-
D.
CD-ROM
Solution
SSD (Solid State Drive) is the fastest among the listed storage devices due to its lack of moving parts.
Correct Answer:
B
— SSD
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Q. Which of the following storage types is typically the slowest?
-
A.
SSD
-
B.
HDD
-
C.
RAM
-
D.
Cache
Solution
HDDs (Hard Disk Drives) are typically slower than SSDs, RAM, and cache due to their mechanical components.
Correct Answer:
B
— HDD
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Q. Which operation does a multiplexer perform?
-
A.
Addition
-
B.
Selection
-
C.
Subtraction
-
D.
Division
Solution
A multiplexer performs selection of one input from multiple inputs based on control signals.
Correct Answer:
B
— Selection
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Q. Which pin of the 8051 microcontroller is used for external interrupt 0?
-
A.
P0.0
-
B.
P1.0
-
C.
P2.0
-
D.
P3.2
Solution
External interrupt 0 is connected to pin P3.2 of the 8051 microcontroller.
Correct Answer:
D
— P3.2
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