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Computer Engineering Questions and Answers May 22, 2021

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Jazz Nights is a famous Jazz festival, held in Zurich every year. Since its first edition in 1986, it has gone through several major changes regarding its structure, length, and location, but the tickets have always been sold traditionally: through two events agencies. The organizers decided to modernize the tickets selling system completely and

All individual Students are advised to prepare the Activity table including values of Activity Duration, Earliest Start date, Latest Start date, Earliest Finish date, Latest Finish date based on Assumptions, keeping in view system description mentioned in Q.No.1. You need to Construct Activity Table according to following methods. 1 . Critical

section .data array DWORD 1,2,3,4,5,6,7,8,9 ; array arraySize = ($-array)/4 section .code main PROC mov ecx,arraySize-1 mov esi,OFFSET array L1: mov eax,[esi] cdq mov bx,2 idiv bx add esi,4 cmp edx,0 je lbl jmp next lbl: mov eax,[esi] shr eax,1 mov [esi],eax next: loop L1 exit main ENDP END main

What is the lowest data rate found in the packet capture file?

Assume the following declarations. public interface ListInterface interface public void add( T n ) public void add( int newPosition, T n ) public void replace( int givenPosition, T n ) public Object getEntry( T givenPosition ) and that the following statements have been executed ListInterface list0 new ArrayList ( Tell what will be displayed by

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What are the primary strengths of a Binary Search Tree a Speed of operations. Most operations in a BST run in O(log n) time. It is particularly good at individual node access. I want to find and work with particular data repeatedly. It has an exploitable memory construct that allows us to do a binary search when the data is sorted It ensure high

5 KHz (P1_0) and 25 KHz using Counter/Timer interrupt (P1_7) Write the necessary program to generate a square wave with c codes. Note: Make your calculations for the 12 MHz oscillator.

Q1 Write a program to design a regular computer Q2) Write a program for a hotel database within the Maysan Governorate, 3 stars with two meals
Q1 Write a program to design a regular computer Q2) Write a program for a hotel database within the Maysan Governorate, 3 sta

Q6 If the input x(n) equal to 0214, find the output y(n) max x(n2), x(n1) then draw your result.
Q6: If the input x(n) equal to [02-14), find the output y(n)= max[ x(n+2), x(n-1)) then draw your result.

Considering the elements stored in column order, comment on the LOR and performance of the below code. #define F(i,a,b) for(int i = (int)(a); i <= (int)(b); i++) int main() { int X,Y; //X:number of rows, Y: number of columns X = Y = 10000; //assuming 10000X10000 matrix F(i,1,X-1) { F(j,1,Y-1) { NumWays[i][j] = NumWays[i-1][j] + NumWays[i][j-1];

A client has a total data of size 40012 Bytes. A server has a total data size of 58407 Bytes. The client always sends two packets at a time and the server replies once after every two packets from the client. The client has a buffer size of 10000 Bytes, the server has a buffer size of 21000 Bytes. The window size is of both the client and the

Use RPROP to perform the minimization of 24 minimum of the function and corresponding value of x. x 16x 12 starting at x 2.0 with initial step size 1.0. Take a 1.1 and B 0.8. Find 4 Marks

Wasted space within a partition is called segments. O True O False QUESTION 17 A safe state is one in which there is at least one sequence of resource allocations to processes that does not result in a deadlock. O True O False QUESTION 18 A resource must be released by the process holding it voluntarily. This is known as preemptive mode. O True O

Sketch the graph by hand using asymptotes and intercepts, but not derivatives. Then use your sketch as a guide to producing graphs (with a graphing device) that display the major features of the curve. Use these graphs to estimate the maximum and minimum values. (x 4)(x 3) x(x 1) (2x 3) (x 2)s x(x 5) 11. f() 12. f(x) python code is required

Draw the bubble diagram for the following circuit. cnt 1 btn clk

Scala code val a =b.join(c).values.flatMap{case(k, v) => val size = k.size k.map(k1 => (k1, v / size)) } show me pyspark version of above code

Write a program to find out the area of the black region given in figure 1 using Monte Carlo Simulation. figure 1

Q) Write a program in MATLAB to draw the shear force and bending moment diagram of the following figure w (kNm) L2
Q) Write a program in MATLAB to draw the shear force and bending moment diagram of the following figure W[kN/m) -U2 U2

(a) Use the Pollard rho algorithm to factor 527. (b) Use the public key m 527 and k 13 to encrypt the message a 44. (c) Use the factorization of 527 to decrypt the message.

In a 32 bits processor design, explain the QUOTE "The signed modules extend the most significant bit while the unsigned modules extend with zeros" with example of Verilog code: sign_extend8_zero (a[7:0], result[31:0]); sign_extend16_zero (a[15:0], result[31:0]);

If the flag section of the TCP packet contains 00010000, what type of TCP packet will that be?

a) Find a positive root of x e cos x , by using Regular Falsi method. b) Find the 3 order divided difference with arguments 2,4,9 10 of the function f(x) x3 2x.

After establishing a connection with the local DNS server PC1 now knows the IP and MAC addresses of PC2. Suppose PC1 [IP Address: 192.168.2.1, MAC Address: 0010.1191.A946] is sending an ARP packet to PC2 [IP Address: 192.168.2.2, MAC Address: 0110.1290.AD23]. What will be written in the target MAC address before the packet reaches PC2 ?

How many 128 x 8 memory chips are needed to provide a memory capacity of 4096 x 16?

1. write a Verilog code with testbenches of a 32-bits processor, if zero extended by 8 bits 2. write a Verilog code with testbenches of a 32-bits processor, if zero extended by 16 bits

How can you tell the difference between an ARP request packet and an ARP reply packet as the Ethernet type field on both packets is identical?

What is HTTP response and in which layer of OSI model does HTTP work?

How many TCP packets does the Client PC send to the server in the process of an HTTP request?

In a TCP packet coming back from the server, the sequence number is written as 1 and the acknowledgement is written as 1. What do you understand from this scenario? Explain.

Why is it necessary to map an IP address to a MAC address? Why can't the Ip address be used to represent the MAC address?

In an outbound PDU packet, what does source port: 1025 and destination port: 80 means?

Copy of The total number of memory access FLOPS arithmetic intensity is and the number of convoys for each iteration of the following code. For (i0 300 I) crea re bre dre cim aim bim dim

How does your laptop know its local DNS server?

Suppose a TCP connection is transferring a file of 1956 bytes. The first byte is numbered 9635. What is the sequence number for this segment if each segment is carrying 1956 bytes

If the whole buffer is occupied of size 5485 bytes. After a certain time, the number of bytes left to be sent to the upper layer is 1014 bytes then what is the rwnd

For completing the tasks mention below you must login to Hr schema You must create a spool to show your result 1.Display NULL Values in Aggregate Functions in Employee table 2.Display Nested Aggregate Functions in Employee table 3.List of SQL Aggregate Functions show the results using any table from Hr schema.

Q5) Discuss the relation of resolution and accuracy for robot with a prismatic link manipulator work at a stroke of 4cm and a control memory of 4 bits.
Q5) Discuss the relation of resolution and accuracy for robot with a prismatic link manipulator work at a stroke of 4cm and a

During the image acquiring process it suffer from the different types of noises like blurring the image, destroyed image etc so design a system to implement the spatial domain filters for noise removal from an image? Discuss the Noise removal using spatial domain filtering, Remove Noise by Linear Filtering, Remove Noise Using an Averaging Filter

What is Gray Level Slicing of Image? How we will do this on image? How to merge bit plane slices to form a gray level image?

In digital image processing and computer vision, Image Segmentation is the process of partitioning a digital image into multiple segments. Researchers innovate the multiple types of Image Segmentation techniques so design a system in which applies the image segmentation techniques and displays all the outputs in a single window? Discuss the Gray

Define the Contrast Enhancement in Image through Histogram Equalization? Write down the complete steps of Digital Image Processing?

Oftenly researchers and scientist used different techniques to convert images from one form to another in terms to acquire useful information. Keeping in ibid, implement a program which take an image (in RGB) and give user same image in the grayscale form. The program must give output as an equalized image. Subject: Digital Image Processing

A. Noise models are used to enhance the image quality. In computer vision image is the cornerstone in terms of relative information. However, during the transmission of images due to multiple factors the quality of image suffer drastically. Different noise models has been presented to cope up with this issue you are required to design a system

Way setassociative cache capacity is 1024 bytes. Main memory size is 4096 x 8, block size is 64 bits. Show the format of main memory addresses2 Tag 3bit, Set 6bit, Word 3bit Tag 4bit, Set 5bit, Word 3bit Tag 3bit, Set 5bit, Word 4bit Tag 3bit, Set 7bit, Word 2bit

1. Which of the following networks use store-and-forward switching operation? a. Telephone networks b. Wireless Networks c. Telegraph networks d. Computer networks 2. There are similarities between message switching and packet switching. Which of following that applies to packet switching but not to message switching? a. variable length of

2. Design the following Boolean function using 74153 multiplexer F (A, B, C, D) (1, 2, 4, 5, 7,9, 11, 14, 15) Dont care (A, B, C, D) (10, 12) a. List the truth table of the system. (2 points) b. Find the simplified expressions using kmaps. Use the minimum number of gates. (2 points) c. Draw the final circuit and show all the connections to the

A PC and a Web Server has been communicating over a TCP connection. The server with an ISN of 1871 having a window size of 579 Bytes. The ISN starts counting at the start of TCP Request. After the completion of the three way handshake process, the PC sends a request (of size 223 Bytes) for a web page and the server decides to reply the requested

An assembly language is a type of low-level programming language that is intended to communicate directly with a computers hardware. Unlike machine language, which consists of binary and hexadecimal characters, assembly languages are designed to be readable by humans. Low-level programming languages such as assembly language are a necessary bridge

Give example of one scenario where it clearly shows how a UDP causes a problem but the TCP handles it well.

Time complexity Algorithm SS (A[0n-1]) //Input: An array A[0n-1] of distant elements For i 0 to n-2 do m i for j I +1 to n-1 do if A[j]

A client residing on a host with IP address 198.76.25.71 sends a message to the corresponding server residing on a host with IP address 175.2.40.250. If the well-known port is 160 and the ephemeral port is 50169, what's the socket address of the destination of the packet when the server is replying?

How should TCP handle the lost packet? Mention the name of the method you used. Explain why did not choose the other one OR if both the method mean the same thing.

Would it create any issue if a PC used a port number from the 0-49151 range? Why?

Create an array of String variables and initialize it with the names of the months from January to December. Create an array containing 12 random decimal values between 0.0 and 100.0. Display the names of each month along with the corresponding value. Calculate and display the average of the 12 decimal values.

Write a part of code (loop) that displays the following series. 1 1 10 20 30 40 90 100 Your answer

The state diagram of a sequential circuit is given below. a. Draw its truthtransition table using D flip flops. 4 points b. Draw its circuit diagram. 3 points 00 11 10 01

Suppose that one of the following control signals in the single-cycle MIPS processor has a stuck-at-0 fault, meaning that the signal is always 0, regardless of its intended value. What instructions would malfunction? Why? (a) RegWrite (b) ALUOP (c) Mem Write Exercise 7.2 Repeat Exercise 7.1, assuming that the signal has a stuck-at-1 fault.

Explain Translation Look-aside Buffers (TLB) in terms of the operating system.

How many packets is required to send a packet of size 4587 Bytes if the MTU size is 1944 Bytes. Assume header size is 10 Bytes Submit x Incorrect (01 point) PQ 8.2.3 1 point possible (graded) You are given, a packet of size 3722 Bytes. If the MTU size is 903 Bytes and assuming header size is 15 Bytes, find the offset of the 2nd packet

What would be the MF flag of the last fragmented packet when you are fragmenting a packet of size 7918 Bytes if the MTU size is 1369 Bytes. Assume header size is 9 Bytes

Write a Socket-based Java server program that responds to client messages as follows: When it receives a message from a client, it simply converts all the letters into ASCII characters and sends back them to the client. Write both client and server programs demonstrating this. Upload only the .java files containing client and server codes for each

2) Write a MATLAB script to create the following matrix by using nested for loops. 2111 1 5 4 1 1 1 5 5 6 1 1 5 5 5 8 1 5 555 10 ,Q3) Write a MATLAB script file that finds the smallest odd integer that is divisible by 19 and whose square root is greater than 112. Use while loop in the program. The loop should start from I and stop when the number

5) Write a FORTRAN90 that uses SELECT CASE to convert the integer numeric result into a letter grade as follow 059 F 6069 D 7079C 8089B 90100A ,Q4 The following is a subroutine FORTRAN90 program. Fullout the blanks 1 UsingSubroutine IMPLICIT 2... REAL , PARAMETER 3 pi3.14 4..... r,h,v READ (5 r, h 6 CylinderVolume (r.h,v) WRITE(,)radius, r

5) Write a FORTRAN90 that uses SELECT CASE to convert the integer numeric result into a letter grade as follow 059 F 6069 D 7079C 8089 B 90100A ,Q4 The following is a subroutine FORTRAN90 program. Fullout the blanks 1 UsingSubroutine IMPLICIT 2... REAL , PARAMETER 3 pi3.14 4..... r,h,v READ (5 r, h 6 CylinderVolume (r.h,v) WRITE(,)radius, r

5) Write a FORTRAN90 that uses SELECT CASE to convert the integer numeric result into a letter grade as follow 059 F 6069 D 7079C 8089B 90100A ,Q4 The following is a subroutine FORTRAN90 program. Fullout the blanks 1 UsingSubroutine IMPLICIT 2... REAL , PARAMETER 3 pi3.14 4..... r,h,v READ (5 r, h 6 CylinderVolume (r.h,v) WRITE(,)radius, r

Write a FORTRAN90 using DO loop to find the product of all even number less than 25.

Suppose current date sunday March 10 2020 224152 GMT 0800 document.write(current.getDate) current.getDay() current.getMonth() ) Answer

Suppose, there is a 2-bit bidirectional shift register with parallel load. If the serial input is 10 and the values of selection bits are So = 1 and Si= 0, what kind of register will be conducted by the circuit? Demonstrate the register operation with a proper circuit diagram and show the content of the operation output flip-flops (Ai) after the

Suppose, we want to add two 4-bit binary numbers 0111 and 0001 (Signed Number) using a 4-bit binary adder-subtractor. Besides, we want to detect whether an overflow has occurred or not. Now, draw the appropriate circuit diagram of the 4-bit binary adder-subtractor that has the capability of overflow detection.

Consider there are seven instructions A, E, I, O, U, S and T with relative frequencies 10, 15, 12, 3, 4, 13 and 1. Compose a diagram of a Huffman tree, find op-codes for different instructions and compute the average code size. Encode the following instructions with the derived opcodes, a) EAT and b) OUTS.

A selectiverepeat based TCP connection is created between two clients. Client A starts with an ISN of 7482 and client B starts with an ISN of 27466. Next, client A has a window size of 4554 bytes. Client a sends a HTTP request of 18 object(s) along with the third segment of the three wayhandshake process. This HTTP request consumes 50 bytes of

Given the last fragment size is 341.0 bytes which includes 125 of header bytes. Also given, the MTU that the network is following is 1109. If the fragment offset of the last fragment is 1023.0 and the initial byte number is 312. The following textboxes are for numerical inputs,so please answer with numbers only. What is the data size of the last

You wish to access the web page www.discord.com. Since you are visiting it for the first time, the IP address is not cached in the local DNS server. By tracing, it can be seen that it required a total of 3 DNS server visits from the local DNS server before the IP address was delivered to your PC. Furthermore, the trace shows that each RTT consumes

1.Draw the pin configuration of Intel 8086 microprocessor. Explain ALE, / S7. In 8086, AD0-AD15 is multiplexed bidirectional address/data bus. How the processor differentiates between address and data bit and take decision whether it is address bit or data bit? 2.We all know that there are some diffrences between register and memory location.

1.The given program generates a 10*10 sodil box of astericks. .MODEL SMALL .STACK 100H .DATA SQUARE DB '**********',0DH,0AH,'$' .CODE MAIN PROC MOV AX, @DATA ; initialize DS MOV DS, AX LEA DX, SQUARE ; load the string MOV AH, 9 INT 21H INT 21H ; display the string 10 times INT 21H INT 21H INT 21H INT 21H INT 21H INT 21H INT 21H INT 21H MOV AH, 4CH

1. Implement operations FIRST, END, RETRIEVE, LOCATE, NEXT, PREVIOUS, INSERT, DELETE, MAKENULL of the List ADT with arrays (slides 910 and figure 2 of week 3 file).

Explain at least two differences between register and memory location? Define instruction pre-fetch and explain segment: offset.

What are the significant of interrupt vector table? Is CALL and INT instructions are same? If yes, explain how? If no, then give some examples and write down their working procedure.

Suppose you have to design a web-based course of Microprocessor and Assembly Language. How you will do this ---describe briefly.

1.What are the steps to install the RMAN recovery catalog? Justify your answer with proper screenshots. 2. Explain the Level 0, Level 1 backups with proper screenshots. Instruction: You can use any schema

What is the subnet mask of 162.139.144.43/21?

Network address of the IP address 145.116.23.45/20 is?

1. Describe broadly: How the performance of the operating system is degraded because of occurring deadlocks? 2. Write down the comparison of Windows Operating system and Embedded Operating System. 3. Describe broadly: Multi-Programming Operating System. 4. Describe broadly: The Characteristics of Operating System.

1. Describe broadly: How the performance of the operating system is degraded because of occurring deadlocks? 2. Write down the comparison of Windows Operating system and Embedded Operating System. 3. Describe broadly: Multi-Programming Operating System. 4. Describe broadly: T he Characteristics of Operating System.

You have been appointed as a Network Admin in a company. You are given a network address of 25.0.0.0. How many IP addresses can be used using this classful IP address

Express 144.33.9.2 in binary format (4 octets; use dots; don't use space)

What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask 15 30 14 16 32

Your router has the following IP address on Ethernet0 180.7.12.123. Which of the following can be valid host IDs on the LAN interface attached to the router 180.7.12.100 O 180.7.12.128 O 180.7.12.129 180.7.12.12

You need to make a network that has 6 subnets, each with 16 hosts. Which subnet mask would you use 255.255.255.192 255.255.255.224 255.255.255.240 O 255.255.255.0

Given an IP address of ab.cd.ef.gh. Substitute ah with your student ID IP 14.10.10.31. (a) In which class does this IP like If student ID 21341049 3D address fall under O A O Multicast Experimental (b) Whats the network address Answer format x.x.X.xy where x is a decimal octet value and y is the prefix mask. Your answer (c) Whats the broadcast

Suppose that you currently have a computer system with the following two characteristics: There are only three components that determine the overall performance CPU, memory, and disk. For any given computation, the system spends 30% of the time for CPU, 40% of the time for memory, and 30% of the time for disk. Now suppose that you want to

The computer spends 80 of the time computing and 20 waiting for the disk. The instruction mixes and the average cycles per instruction (CPI) for each type is of CPI Instructions Integer Floating point Others 30 3 40 8 30 4 Consider 3 modifications to the computer. Compute the speedup for each. a) b) The processor is replaced with a new one that

Assume a 5stage pipelined CPU (IF ID MU EX WR) requires following time for different sections Pipeline stages Fetch Unit Required time 15 ns Decode Unit 10 ns Memory Unit Execution Unit 20 ns 8 ns 15 ns Write back Unit The maximum delay required to transfer contents from one state to another is 2ns. a) Show the time steps of pipelining stages

1. Using a hypothetical computing system that uses a normalized floating point representation of 8 bits one bit for number sign, one bit for exponent sign, 3 bits for exponent and 3 bits for the mantissa. The smallest negative number using this system is A. 64 C.96 E. 112 B. 0.00390625 D. 0.00490625 F. 0.00590625 W2. Using a hypothetical computing

How many positive integer n up to 1000 are there such that n20 ends with 1 Hint You may use the builtin function Last in your command 400 804 401 None

Consider the following MATLAB code function w magic1(h) f (y) 10y N round (1h) 3D W 1 for i 1N kl hf(w(i)) k2 hf(w(i) k12) w(i1) w(i) k2 end Find the largest input h such that the computations are stable, that is, all computed values w are bounded wi 1.

You are given below the daily wages paid to the workers in the two factories X and Y Daily 1214 1416 1618 1820 2022 2224 2426 Wages Factory X 15 30 44 60 40 14 7 Factory Y 25 40 60 35 12 15 5 Which factory show greater uniformity in their wages structure