Recall that for a standard HMM the Elapse Time update and the Observation update are of the respective forms: P(X t | e 1:t1 ) = xt1 P(X t | x t1 )P(x t1 | e 1: t1 ) P(X t | e 1:t ) P(X t | e 1:t1...
What is the relationship between the tables Classes and Customers? a. One to one b. One to many c. Many to many d. The tables arent related.
What is the relationship between the tables Instructors and Classes? a. One to one b. One to many c. Many to many d. The tables arent related.
What is the relationship between the tables Classes and Reservations? a. One to one b. One to many c. Many to many d. The tables arent related.
What field(s) in the Customers table would be the most appropriate for a CustomerName index? a. LastName b. LastName and FirstName c. LastName, FirstName, and BirthDate d. CustomerID
For the table Customers (CustomerID, LastName, FirstName, StreetAddress, City, State, ZipCode, EmailAddress, PhoneNumber, BirthDate), which of the following is a secondary key? a. LastName, FirstName...
For the table Customers (CustomerID, LastName, FirstName, StreetAddress, City, State, ZipCode, EmailAddress, PhoneNumber, BirthDate), which field is a foreign key? a. LastName b. CustomerID c. There...
Early in this century, the Oakland Athletics used readily available traditional player performance statistics in new ways to decide which players to put on the field, and this change led to better...
For the table Customers (CustomerID, LastName, FirstName, StreetAddress, City, State, ZipCode, EmailAddress, PhoneNumber, BirthDate), which field is the primary key field? a. LastName b. BirthDate c....
Which of the following is not a feature that Access uses to demonstrate and leverage the power of one-to-many relationships? a. Subdatasheets b. Lookup properties c. Automatically refreshing related...
Facebook is a social networking Web site and service where users can post comments, share photographs and links to news or other interesting content on the Web, play games, chat live, and even stream...
The Central Intelligence Agency (CIA) conducts foreign covert operations, counterintelligence operations, and collects and analyzes foreign intelligence for the president and his staff to aid in...
In the Relationships window of the JC Consulting database, which primary key field does not participate in a one-to-many relationship? a. ProjectLineItemID b. ProjectID c. TaskID d. All primary key...
Which of the following best describes the Zips table in DBDL if City is often used for sorting? a. Zips (City, Zip) PK Zip SK City b. Zips (City, Zip) PK Zip c. Zips (City, Zip) PK Zip FK City d....
Western Digital, a developer of storage devices and solutions, has grown dramatically since it was established in 1970. Based in San Jose, California, they employ more than 61,000 with locations...
Suppose you are the architect being hired. What questions would you ask about the company with which youre interviewing, related to the areas listed in Section 25.2? Try to answer this question from...
Megan Simpson, manager of western regional sales at the Whitefield Company, requested that the IS department develop a sales force communication and tracking system that would enable her to better...
In 1919 Lionel Langley opened his first bakery store, which he named after his wife, Lilly. Initially he sold only breads, cakes, and flour to his customers. Through the years, the business expanded...
Select two of the implementation size user stories you developed in Exercise 2. Develop a set of acceptance criteria for each of these user stories. Data from Exercises 2 Select one of the epic user...
How would you write the DBDL for the five tables in the student-advisor-assignments.accdb Access database?
Select one of the epic user stories you developed in Exercise 1 that you believe has high value to the organization. Break this user story into implementation size user stories. Data from Exercises...
Alex Schuster began Pine Valley Furniture (PVF) as a hobby. Initially, Alex would build custom furniture in his garage for friends and family. As word spread about this quality craftsmanship, he...
American Labs provides lab testing services for a variety of clients, mostly doctors offices and other small medical businesses throughout the Midwest. Clients send test vials containing blood...
Few niches crashed more spectacularly during Web 1.0 than the pet sector. In 2000, over just nine months, Pets.com managed to raise a jaw-dropping $82.5 million in an IPO, air a $1.2 million Super...
Why is a help desk function critical to system development? Discuss its interrelationship with the problem management and reporting system.
As the lead analyst on the Hoosier Burger project, you have been busy collecting, structuring, and evaluating the new systems requirements. During a Monday morning meeting with Bob and Thelma, the...
Using Table 7-1 as a guide, develop a script of at least ten questions you would ask during an interview of the customer-order processing department manager at Pine Valley Furniture. Assume the focus...
A huge retail store must carefully manage its inventory levels. Stock-outs (where there is none of an item on a shelf) can cause missed sales, while too much inventory costs the company money in...
Evergreen Nurseries offers a wide range of lawn and garden products to its customers. Evergreen Nurseries conducts both wholesale and retail operations. Although the company serves as a wholesaler to...
During your time as a Pine Valley Furniture intern, you have learned much about the systems analysis and design process. You have been able to observe Jim Woo as he serves as the lead analyst on the...
Pet owners often have difficulty locating petsitters for their pets, boarding their pets, or just getting the pets to the veterinarian. Recognizing these needs, Gladys Murphy decided to open Pet...
Pine Valley Furnitures Customer Tracking System project is now ready to move into the systems design phase. You are excited because this phase involves designing the new systems forms, reports, and...
As college students in the 1970s, Bob and Thelma Mellankamp often dreamed of starting their own business. While on their way to an economics class, Bob and Thelma drove by Myrtles Family Restaurant...
Match each of the key terms above with the definition that best fits it. Systems development methodology ____ The complex organizational process whereby computerbased information systems are...
Match each of the key terms above with the definition that best fits it. Systems development life cycle (SDLC) ____ The complex organizational process whereby computerbased information systems are...
Match each of the key terms above with the definition that best fits it. Systems analyst ____ The complex organizational process whereby computerbased information systems are developed and...
Match each of the key terms above with the definition that best fits it. Rational Unified Process (RUP) ____ The complex organizational process whereby computerbased information systems are developed...
Match each of the key terms above with the definition that best fits it. Planning ____ The complex organizational process whereby computerbased information systems are developed and maintained. ____...
Match each of the key terms above with the definition that best fits it. Physical design ____ The complex organizational process whereby computerbased information systems are developed and...
Which operations can isolate a field in a word? 1. AND 2. A shift left followed by a shift right
For a given function, which programming language likely takes the most lines of code? Put the three representations below in order. 1. Java 2. C 3. MIPS assembly language
Match each of the key terms above with the definition that best fits it. Object-oriented analysis and design (OOAD) ____ The complex organizational process whereby computerbased information systems...
Match each of the key terms above with the definition that best fits it. Object class ____ The complex organizational process whereby computerbased information systems are developed and maintained....
Given the importance of registers, what is the rate of increase in the number of registers in a chip over time? 1. Very fast: They increased as fast as Moores law, which predicted doubling the number...
What is the decimal value of this 64-bit twos complement number? 1111 1111 11111111 1111 11111111 1111 11111111 1111 11111111 11111111 1000 2)-8 3) -16, 4) 18,446,744,073,709,551.608. What is the...
Match each of the key terms above with the definition that best fits it. Object ____ The complex organizational process whereby computerbased information systems are developed and maintained. ____...
Match each of the key terms above with the definition that best fits it. Maintenance ____ The complex organizational process whereby computerbased information systems are developed and maintained....
What MIPS instruction does this represent? Choose from one of the four options below. op rs 8 00 rt 9 rd 10 shamt funct 0 34 1. sub $t0, $t1,$t2 2. add $t2, $t0, $t1 3. sub $t2, $t1, $t0 4. sub $t2,...
Which of the following statements about C and Java are generally true? 1. C programmers manage data explicitly, while its automatic in Java. 2. C leads to more pointer bugs and memory leak bugs than...
Match each of the key terms above with the definition that best fits it. Logical design ____ The complex organizational process whereby computerbased information systems are developed and maintained....
Match each of the key terms above with the definition that best fits it. Inheritance ____ The complex organizational process whereby computerbased information systems are developed and maintained....
Match each of the key terms above with the definition that best fits it. Information systems analysis and design ____ The complex organizational process whereby computerbased information systems are...
Match each of the key terms above with the definition that best fits it. Implementation ____ The complex organizational process whereby computerbased information systems are developed and maintained....
Which of the advantages of an interpreter over a translator do you think was most important for the designers of Java? 1. Ease of writing an interpreter 2. Better error messages 3. Smaller object...
True or false: Because the register file is both read and written on the same clock cycle, any MIPS datapath using edge-triggered writes must have more than one copy of the register file.
Match each of the key terms above with the definition that best fits it. Design ____ The complex organizational process whereby computerbased information systems are developed and maintained. ____...
Match each of the key terms above with the definition that best fits it. Integration testing ____ A testing technique in which participants examine program code for predictable language-specific...
When silicon chips are fabricated, defects in materials (e.g., silicon) and manufacturing errors can result in defective circuits. A very common defect is for one signal wire to get broken and always...
1. True or false: Since the jump instruction does not depend on the register values or on computing the branch target address, it can be completed during the second state, rather than waiting until...
Match each of the key terms above with the definition that best fits it. Application software ____ The complex organizational process whereby computerbased information systems are developed and...
Add NOP instructions to the code below so that it will run correctly on a pipeline that does not handle data hazards. addi $s0, $s1, 5 add $s2, $s0, $s1 addi $s3, $s0, 15 add $s4, $s2, $s1
Examine the difficulty of adding a proposed lwi.drd, rsl, rs2 (Load With Increment) instruction to MIPS. Interpretation: Reg[rd] = Mem[Reg[rs1] + Reg[rs2]] 1. Which new functional blocks (if any) do...
Add the following instructions to the computer of Sec 7-3 (EA is the effective address). Write the symbolic microprogram for each routine as in Table 7-2. (Note that AC must not change in value...
In the following table, does all the data conform to empno name?
Write down the binary bit pattern assuming a format similar to that employed by the DEC PDP-8 (the leftmost 12 bits are the exponent stored as a twos complement number, and the rightmost 24 bits are...
Calculate A (B + C) by hand, assuming A, B, and C are stored in the modified 16-bit NVIDIA format described in 3.11.2 (and also described in the text). Assume 1 guard, 1 round bit, and 1 sticky bit,...
NVIDIA has a half format, which is similar to IEEE 754 except that it is only 16 bits wide. The leftmost bit is still the sign bit, the exponent is 5 bits wide and stored in excess-56 format, and the...
When we use gcc to compile combine3 with command-line option -02, we get code with substantially better CPE performance than with -01: We achieve performance comparable to that for combine4, except...
For a write-back, write-allocate cache, assuming 30% of replaced data cache blocks are dirty, what are the minimal read and write bandwidths needed for a CPI of 2? Consider the following program and...
Write a query to display the customer code, balance, and total purchases for each customer. Total purchase is calculated by summing the line subtotals (as calculated in Problem 12) for each customer....
Two clerks at Pitt Fitness need to update an address in the Access database for the customer Min Jee Choi. One clerk sees a note about updating the address and begins to edit Min Jees record. At the...
The new IT person hired by Pitt Fitness is becoming familiar with the database and requests the database schema. How can you generate the schema from the current Access database? a. Click the All...
The Pitt Fitness program director wants to list customer last names and first names along with the classes they are taking. He creates a query using the Customers and Classes tables. In the query...
I. C has many statements for decisions and loops, while MIPS has few. Which of the following do or do not explain this imbalance? Why? 1. More decision statements make code easier to read and...
Find two different state-variable formulations that model the system whose difference equation is given by: (a) y(k+ 2) + 6y(k+1) + 5y (k)= 2e(k) (b) y(k + 2) + 6y(k+1) + 5y(k) = e(k+1) + 2e(k) (c)...
I. Which of the following statements about characters and strings in C and Java are true? 1. A string in C takes about half the memory as the same string in Java. 2. Strings are just an informal...
I. What is the range of addresses for conditional branches in MIPS (K = 1024)? 1. Addresses between 0 and 64 K1 2.Addresses between 0 and 256 K1 3.Addresses up to about 32 K before the branch to...
How many of the five classic components of a computershown in Figures 4.1 and 4.2 include? Figure 4.1 Figure 4.2 PC Add Address Instruction Instruction memory Add Data Register # Registers Register...
For the system of Fig. P5.3-1 (a) , suppose that the sampler in the forward path samples at t = 0, T, 2T, , and the sampler in the feedback path samples at t = T 2, 3T 2, 5T 2 , . . . . (a) Find the...
Find the system response at the sampling instants to a unit-step input for the system of Fig. P4.3-5. E(s) = -=-/ 1 3+0.5 T=1s Fig. P4.3-5 1-g-7's S 38 (s + 1)(s+2) C(s)
I. Which of the following is correct for a load instruction? Refer to Figure 4.10. a.MemtoReg should be set to cause the data from memory to be sent to the register file. b.MemtoReg should be set to...
Look at the control signals in Figure 4.22. Can you combine any together? Can any control signal output in the figure be replaced by the inverse of another? If so, can you use one signal for the...
A system is defined as linear if the principle of superposition applies. Is a sampler/zero-order-hold device linear? Prove your answer.
Examine the difficulty of adding a proposed swap rs, rt instruction to MIPS. Interpretation: Reg[rt] = Reg[rs]; Reg[rs] = Reg[rt] 1. Which new functional blocks (if any) do we need for this...
Given the extended LAN shown in Figure 3.46, indicate which ports are not selected by the spanning tree algorithm. Figure 3. 46) E G A B1 1 B7 B4 D B2 (B3) B6 (B5 F H J B
How long does it take to transmit x kB over a y-Mbps link? Give your answer as a ratio of x and y.
In this exercise we look at memory locality properties of matrix computation. The following code is written in C, where elements within the same row are stored contiguously. Assume each word is a...
Use a computer-based logic minimization program to design the instruction decoder for a RISC from Table 10-3. Create an HDL model of your design and verify its correctness in simulation. Table 10-3...
Consider the circuits in Figure P10-6 and answer the following questions. (a) What is the maximum number of poles possible for each of the circuits? (b) Can any of the circuits shown have an unstable...
For the RISC CPU in Figure 10-8, manually simulate, in hexadecimal, the processing of the instruction ADI R1 R16 2F01 located in PC = 10F. Assume that R16 contains 0000001F. Show the contents of each...
Inputs X i and Y i of each full adder in an arithmetic circuit have digital logic specified by the Boolean functions where S is a selection variable, C in is the input carry, and A i and B i are...
Repeat Problem 4-59, assuming that the circuit consists of two copies of the circuit in Figure 4-49 with input X of the second circuit copy driven by output Y of the first circuit copy. Problem 4-59...
The state diagram for a sequential circuit appears in Figure 4-51. Figure 4-51 (a) Find the state table for the circuit. (b) Make a state assignment for the circuit using 3-bit codes for the six...
A first-order dynamic system is modeled as \[\dot{y}+3 y=f(t), y(0)=1\] Assuming the input \(f(t)\) is a step function with magnitude 0.8 , find \(y_{s s}\).
The model of a dynamic system is derived as \[3 \ddot{x}+7 \dot{x}+2 x=50 \sin t, x(0)=-1, \dot{x}(0)=1\] Find the system's total response, and identify the transient and steady-state responses.
When do you use primitives like load linked and store conditional? 1. When cooperating threads of a parallel program need to synchronize to get proper behavior for reading and writing shared data 2....
Trace the Shirt program in Figures 8.6, 8.7a, and 8.7b, using either the short form or the long form. To help you get started, heres the trace setup, including the input. If you use the long form,...
Given the system described by the state equations (a) Calculate the transfer function Y(z)/U(z), using (2-84). (b) Draw a simulation diagram for this system, from the state equations given. (c) Use...
Given the second-order digital-filter transfer function Figure p2.8-2 Figure p2. 8-1 2z-2.4z+0.72 z - 1.4z +0.98 (a) Find the coefficients of the 3D structure of Fig. P2.8-1 such that D(z) is...
Shown in Fig. P2.8-2 is the second-order digital-filter structure 1X. e(k) 83 84 fi(k) f(k) b 81 T 82 82 T 81 FIGURE P2.8-2 Digital-filter structure 1X. y(k)