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Let's suppose we wanted to find the lowest, highest, average, and total number of salaries by department in a company. What SQL query would give us this, in the most meaningful format, assuming that w
What are some of organizational, managerial and social complementary assets that help make UPS's successful
Nearly every operating system separates the file system from the I/O services. What is the advantage in doing so?
Show the value of all bits of a 12-bit register that hold the number equivalent to decimal 215 in (a) binary; (b) octal; (c) hexadecimal
Windows hides most of its configuration in a binary file called the registry. Special Windows tools must be used to read and modify the registry. What are the advantages and disadvantages of this appr
If the computer in this exercise uses the same size word for data and instructions what is the size of each data register?
Before effective Ethernet switching existed, some network designers used an alternative bus collision avoidance protocol known as the token bus protocol.
Give the contents of memory from address 0x1800 up to, but not including, 0x1809, after this code is executed.
An instruction at address 049 in the basic computer has I = 0, and an address part equal to 025 (all numbers are hexadecimal). The memory word at address 025 contains 5E34 and the content of AC is 16A
A digital computer has memory unit with a capacity of 32K words, 40 bits per word. Determine the instruction format, considering that there is no bit for indirect addressing. Two instructions should b
Suppose you operate an Apache-based Linux Web server that hosts your company's e-commerce site. Suppose further that there is a worm called "Worminator X," which exploits a (fictional) buffer overflow
There are 20 different applications installed on this computer. How many printer drivers you have to install so that the 20 applications can print on any or all of the connected printers? Justify
Create a risk register for the project, using Table 11-5 and the data below it as a guide. Identify six potential risks, including risks related to the problems described above. Include positive and n
A workstation uses a 15-MHZ processor with a claimed 10-MIPS rating to execute a given programme mix . Assume a one-cycle delay for each memory access.
Consider you have 128 x 8 RAM chips to build a main memory bank.How many of these chips are needed to provide a memory capacity of 2048 bytes (or 2K bytes)?
A digital computer has a memory unit of 64K x 16 and a cache memory of 1K words. The cache uses direct mapping with a block size of 4 words.How many bits are there in each word of the cache, and how a
What are some security policies for both Windows and Linux user accounts you can define to protect against someone learning administrator passwords? Provide examples and/or details to support your ide
Process A,B,C,D,E arrival time 0 1 2 3 4 ,processing time 10,9,6,7,4 respects turn find the turnaround time using each of following FCFS,SPN,SRTF,RR which of scheduling policies give the best result?
Your friend has a small design shop with Windows NT 4.0, Windows 2000, and Windows XP workstations. He has one older Windows NT computer acting as a file server and a LINUX computer running as a firew
Insert a memory module and initial the following values for memory address starting at 00: 12, 34, 56, 78,9A.Insert 4 registers called R0, R1, R2, and R3. Insert 6 arithmetic operations: AND (000), OR
You are the network administrator for a manufacturing company. The factory is a two story building with manufacturing and the warehouse on the first floor and offices and the computer room on the seco
A processor issues 24-bit addresses. Memory is byte-addressable. The memory system consists of main memory and a 128K bytes 8-way set associative write-back cache, The block size is 16 bytes. The
Compare and contrast the differences between Unix (or Linux) and Window Traceroute. All the codes for each ICMP error message are not fully listed and explained.
In this problem, we use the useful dig tool available on Unix and Linux hosts to explore the hierarchy of DNS servers. Recall that in Figure 2.21, a DNS server higher in the DNS hierarchy delegates a