(1). d.Which of the following is a shortcut used to open Task Manager? When this happens, it is known as fragmentation. The following are some of the most commonly used utilities: File-compression programs use advanced algorithms and mathematical formulas to decrease the amount of space used by files. Fortunately, modern computers are very good at using resources effectively. Right click on the selected file to open the drop-down menu with options. An example of this is exporting a file from Microsoft Word (.doc) to a PDF reader (.pdf). b.Explain how a troubleshooting wizard works. There are two important reasons for this: 1. (1), 1.2Which of the following tabs is only found in the Properties window of a folder? In the Disk Clean-up application that opens up, select the types of files you would like to delete. Mobile devices, such as laptops and tablets may use Intel and AMD CPUs, but can also use specific mobile processors developed by companies like ARM or Apple. Web cache: The web cache is a small area on a computers hard drive where images and pages from the world-wide web are stored for a short period. If the wizard cannot fix the problem, it will ask you some questions in order to determine the cause of the problem.
An example of this is when you import information from a Microsoft Excel (.xls) file to Microsoft Word (.doc). File new documents as they are created. This program allows users to back up important files and folders, as well the important settings for the operating system. ^g'tB U& _Q)SV(6P9m]S Task Manager allows the user to see which tasks and applications are currently running on the computer, and how much memory and CPU processing power is being dedicated to each individual task. If you rarely use the Disk Clean-up tool, it can free up a few gigabytes at a time. The new Scheduling feature provides savings in both time and human resources and greatly improves the efficiency with which you can automate repetitive and time consuming activities. These categories consist of the following: Microsofts Windows 10 operating system is estimated to be made up of around 50 000 000 lines of code. 2.1Multitasking operating systems allow more than one user to access and use the computer system at the same time. 2. Click Backup and Restore (in Windows 7) to open the Backup and Restore window. 0000002941 00000 n
A single-user operating system will allow you to create multiple user profiles. Examples of multi-user operating systems include Unix and Linux. Identify and explain the uses of operating system utilities. These include a slow computer, long boot-up times, random computer crashes and the computer freezing. File management utilities provide users with a GUI that they can use to organise files and folders. As such, compressing them further does not help. The Hidden attribute makes the file invisible when you browse the folder. In order to help you with this process, lets take a look at some tips on effective file management: Modern operating systems allow you to import and export files, documents and data. In order to edit a read-only file, you need to change the file attribute and remove the read-only part. While these cores are contained in one physical unit, they are actually individual processors. 0000002389 00000 n
A mainframe computer uses multiple computer terminals that are connected to the main computer. If you do not want to delete them, consider creating a root folder called oldies and moving all old documents to that folder. (1), 1.4Which of the following is not on a smartphones GUI? Operating systems can be designed with one or multiple users in mind. 4. To open the Task Manager, you can do the following: 1. 
The operating system makes the users lives much easier by providing them with a user interface that can be used to interact with the computer. 0000005849 00000 n
Today, even toddlers can use computers to open and play their favourite games. Examples of single-user operating systems include Microsoft Windows and MacOS. 0000003786 00000 n
Exporting a file refers to saving the file in a way so that it can be used by a different program. 
It stores data that is being sent or received by the hard-disk plates for a short period of time. The tool allows you to quickly check if your operating system or hardware is functioning as required. [/PDF]
(2), 4.5Mention ONE profession that would use a multiple user operating system. s7D?S40: 1K@LLu,'tdwh ss~>9,O8z{d1UR/W$|53ddq9nnwYBY3muyXBdp!'Le!uMq9nwI*/O
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b.List two reasons why file compression is rarely used. 4.1How can a wizard be used to improve the troubleshooting process? 0000000920 00000 n
Files refer to any document that you have created; including text documents, spreadsheets, images and music. A processor, or microprocessor, is a small chip that resides in computers and other electronic devices. It also allows the user to forcefully end any applications that might have stopped working, or are using too many resources. e.Discuss the difference of single user versus multiple users. All rights reserved. Troubleshooting wizards are system utilities that come standard with your operating system. 0000001128 00000 n
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This makes them easier to store or transfer. Describe the role of the operating system. When installing new programs, use the default installation folders. Here the student will also learn the various computer trouble shooting methodologies. 0000006435 00000 n
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Purchase an external hard drive to use for the backup and connect it to your computer. trailer << /Size 267 /Info 231 0 R /Root 234 0 R /Prev 485170 /ID[<077105723260fa4c0117cac2622b7034><0741a0585aa8dd29f8038a289e0e3df3>] >> startxref 0 %%EOF 234 0 obj << /Type /Catalog /Pages 225 0 R /Metadata 232 0 R /PageLabels 223 0 R >> endobj 265 0 obj << /S 1456 /L 1614 /Filter /FlateDecode /Length 266 0 R >> stream 0000048876 00000 n This not only helps the site to load faster; it also reduces the burden on your network. List the steps that you will take in order to hide the folder. If you are running low on storage space, do not hesitate to buy an additional hard drive to store more data. As discussed previously in this chapter, fragmentation of data can cause your computer to slow down. While this may seem like a simple task, modern processors can handle trillions of calculations per second. Finally, we will look at some of the factors that may decrease a computers performance, as well as some potential solutions. e.How do you change the attribute of a file to enable yourself to edit the file? As such, it is better to update the application as soon as possible. Type in control panel and click Control Panel. (1), 2.3The write-only attribute allows the user to view but not edit the file. In Grade 11, you learned how to find a specific file and how to obtain additional information about the file. b.Which tab provides more information on which users are currently signed in to the computer and how many resources they are using? 0000002411 00000 n Operating systems, such as Windows, use a variety of different GUI options to enable users to customise files and folders to best suit their needs. WHAT HAPPENS WHEN COMPUTER IS TURNED ON (BOOT PROCESS), https://www.youtube.com/watch?v=Lp__Y-_DsfU. Click and open the File Explorer options. 4. Modern CPUs often include multiple processing cores, which work together to process instructions. In order to prevent this, you should delete documents and folders that are no longer needed. 1.1Where can you search for additional information about a file? This will ensure that all your programs are installed in the same folder. An example of this can be seen when you use your smartphone. Give a user type and a disadvantage that is associated with each. Some high-end workstations contain multiple CPUs with multiple cores, allowing a single machine to have eight, twelve, or even more processing cores. Generally, the spool is maintained on the computers physical memory, buffers or the I/O device-specific interrupts.The spool is processed in ascending order, working on the basis of a FIFO (first in, first out) algorithm.The most common implementation of spooling can be found in typical input/output devices such as the keyboard, mouse and printer. It can be initiated by hardware such as a button press, or by a software command. You will notice that the File Properties window consists of the following four tabs: Table 6.1: Tabs in the File Properties window, Example 6.1 Work with Read-only and Hidden files.
This includes running multiple high-intensity processes at the same time. 1.Choose a term or concept from Column B that matches the description in Column A. (1), 2.5CPU cache is high-speed memory stored on CPU that is larger than RAM. Scroll down the menu and select Properties. (1), 1.5Which of the following troubleshooting utilities is used to increase your computers storage capacity? 4. <>stream This means that the computer could only run a single program at a time. 2. Choose a term or concept from Column B that matches a description in Column A. Unfortunately, the file pieces are not always stored in the same location, but rather spread over several locations. The Scheduling Utility is located in the System ribbon menu. d.Describe how cache improves performance. endobj As with processor speed, more cores are generally better. Write only the letter next to the question number. This includes adding new features, fixing bugs, improving system reliability or security. Due to this, the operating system has a large number of different functions and jobs. cwfV#89cvk,so{KGcbZ]"{+W_)*xmI'-TRsY]*$gbRZGLxTAr, +TH 9:a;ar.b4KEr@J0 iG9-EuDrpFa ,:qG * "86}> Y|. Table 6.2: Tabs in the Task Manager window. Otherwise, select the folders that should be backed up manually. Click the Quick Search box and type in the name of the file for which you are looking. Click Save and run the backup option to create a backup of all your files. 2.Choose a term or concept from Column B that matches the description in Column A. Because of this, these operating systems are normally used as server. For each application currently running, the amount of available resources will become less. Examples of programs that you can use to defragment your computer include the following: Spooling is a process in which data is temporarily held to be used and executed by a device, program or the system. 6. d.You want to hide a folder on the schools PC. Its basic job is to receive input and provide the appropriate output. This is a subject which will prepare the students to face the industrial environment, in a theoretical manner. a.Give two main reasons why it is good to constantly keep your computer programs updated. 4 0 obj If a problem is encountered, the wizard will attempt to fix it. 1.Write down the correct answer for each of the following questions. Name or rename your folders appropriately. To prevent this from happening, you can use a defragmentation tool to reorganise the data on your hard drive. 0000005570 00000 n They are usually stored on your hard drive and can be transferred to a USB drive, a CD, DVD, or the internet. [Zh>xU/Zi5#J?jk000YLrM This will ensure that the document is in the correct folder and, therefore, can be found with more ease. b.Which of the following file extensions are NOT part of the Microsoft Office package? a.Which one of the following file extensions are NOT used when you type a report? HW6}W\*r_HMX+QITD=$%[z"CI\3}B%*8&gQb#j,yVoOwtK=f> -$r5cMrv7{={:EZc{\/LjWpC5l~ rhSsuHl#l#-\y8_;>Wl|Y0r`]ub7x8cw>%| =X]ri-+]9 More RAM allows more data to be stored in the RAM, which allows your programs to run faster. When you open a website, such as Facebook, your computer temporarily stores the files for the website in your cache. When using a multiple-user operating system, it is important to make sure that you balance the requirements of each user so that the resources of the main computer are shared among the users. We use this information to present the correct curriculum and This is done so that the file can be stored on your hard drive. An example of this can be seen when listening to music while you are playing games. Since a single compressed file can contain thousands of files and folders, they are often used to archive files. 3. 6.
The server computer can be accessed and used by multiple users through a computer network. e+Qs+`?7X\Z2sRo\5cH,-Vpu5wX]Lcod)RXU_f=~NX>. Every computer has a limited number of resources (such as RAM and CPU processing time) that can be used to run applications. While this sounds like a great way to free storage space, in reality, file compression is rarely used to free storage space. This process reorganises your hard drive by taking all the pieces of data that are spread across your hard drive and reorganising it so that the pieces are closer to each other. Processors that include two cores are called dual-core processors, while those with four cores are called quad-core processors. Indicate if the following statements are TRUE or FALSE. Select the types of files to delete and click OK. To restore files from a Windows backup, you can do the following: 1. United States. As you are most likely aware, you use your computer a lot. Delete any files that you do not need any more. In Chapter 1, we looked at some of the potential problems (and solutions) that you might encounter while using a computer. 3. 0000031265 00000 n <> To use Backup and Restore, you can do the following: 1. 0000021795 00000 n We think you are located in 6 0 obj Due to this, malware is often responsible for slowing down your computer. One of the most important tasks of the operating system is to help the computer manage hundreds of processes that run at the same time. Make regular backups of important files.
a.#74 ~F>MEWn6i5K8'"f$erW>O*>]5;i4U-/&[k In this paper, the student will learn about the various components inside the computer system and their maintenance procedures. There are two main factors that influence the speed of the CPU: 1. 0000091138 00000 n The central processor of a computer is also known as the CPU, or central processing unit. This processor handles all the basic system instructions, such as processing mouse and keyboard input and running applications.
If you are looking to buy additional RAM, do proper research regarding the speed and type of RAM that is used by your motherboard. Click Browse for files or Browse for folders. Once the printer is ready, it fetches the data from that spool and prints it. 0000007269 00000 n Operating systems, such as Windows, come equipped with a backup and restore utility. 0000091217 00000 n The second factor is the amount of cores. These utilities are small programs that work with the operating system in order to help users maintain and protect their computers. Compressed files cannot be used immediately; they first need to be decompressed. The file extension consists of the letters that follow after the full stop in the file name. `B-w9O?='^yq1[0*%LQt*W[c#Z?h?O;#$ ?ot?-?IULEkRG"3vA~_c./ A: D4AG 2-H?Oti#*/ r&K@:8C3j5s4ZY8<=*zLQh;?WcW#Ra"M>{0sJN`S
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These can be distinguished from one another by looking at the file extension. 3. RAM is responsible for temporarily storing the data that is being used by the computers processor. 5. 1.Which of the following refers to cache located on the CPU? To show the Disk Deframenter process, watch the following video: https://www.youtube.com/watch?v=AtRIOUZuI2c. Your computer will calculate how much space you can free up. a.Explain the role of the operating system. endstream
Due to this, the computer is subject to some wear and tear, which can reduce its speed and performance. 0000007039 00000 n
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f.What is meant by a CPUs generation and how does this affect its speed? To prevent this problem, many CPUs now have a small, high-speed cache built into the CPU, where it can temporarily store the data it needs. 
