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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
Three data values are consecutively stored in memory, beginning at address 100H (H for Hexadecimal). First is the decimal value 1000, stored as a 16-bit integer, followed by the decimal value 1000 sto
A given microprocessor has words of 2 bytes. What are the smallest and largest decimal integers that can be represented in the following representations?
Oracle was developed as a Client/Server database, although there is a mainframe version. Although the process is somewhat automated, the Oracle Enterprise Database is not your simple auto-run installa
Take some time this week to open up your computer (or better yet - an old junky one) and take a look inside (be sure to unplug your machine and not touch any of the components - look but don't touch).
When your CPU is executing at a high rate and you see your disk drive doing a lot of I/O, you can see this monitoring paging.
Calculate how much disk space (in sectors, tracks, and surfaces) will be required to store 300,000 120-byte logical records if the disk is fixed sector with 512 bytes/sector, with 96 sectors/track, 11
Although Oracle provides a very nice graphical interface tool called Enterprise Manager to aid the DBA in working with the database, it is not always the tool of choice.
What are the problems of managing data in a traditional file system, and are they solved by a database system?
Discuss how to lockdown a Linux system. What specific steps might you take? For example, how might you secure the SSH server, or an Apache web server? What specific tools might you use? What does TCP
Have you ever had a problem with your Windows operating system? What happened, and what was the result?