Solutions problem of computer information system - Assignment Example

10TH April COMPUTER Information Systems Major functions of COMPUTERS -Input -Processing –Output –Data storage2. Software-This is a collection of COMPUTER data and instructions that provide functionality 3. Operating systemIt is set of integrated software components that aid management and control of hardware and software resources in a computer system. Types are OSX, UNIX and Linux. 4 a. Types of system software and different types- Shell - A program that handles the interaction between a COMPUTER kernel and the possible user.

-Utility software – Programs that offer the maintenance and performance evaluation tools for a computer system -Loader- It is a built in computer system component that aids in loading an operating system These manage creation and maintenance of data in a COMPUTERb. Three input devices and different types-Mouse- A movable device held by one’s hand that allows users to scroll into files and folders. It further aids in creation of new data items such as folders-Keyboard- A device for COMPUTER users to type in and store relevant data - Keypad - A typical keyboard but smaller in size.

It is common in mobile phones and allows users to key in data required c. Three output devices and different types-Projector- Used in the display of data direct from a monitor to a wider display area-Monitor- It is display area as seen by users of personal computers or laptops-Speakers- This output device is used in production of sound d. Three storage devices and different types-Hard drive- A computer main memory used for storage of all computer data and instructions-Flash disk- A portable storage device that can store different sets of data such as pictures, folders and audio files-Compact disk - A computer’s storage device where data is burnt into it for storagee.

Three types of COMPUTERs-Analog COMPUTERs-Digital COMPUTER-Hybrid COMPUTER f. Five applications software-Accounting system- Online University Management System – Petrol Station Sales management systems- Biometric voter Identification systems – Electronic commerce systemg. Two kinds of memory -Read Only memory- A built in COMPUTER memory containing data that can only be read -Random access Memory- A COMPUTER memory for holding data and instructionh. Three kinds of connection ports-Sound card port – Adapter port- Serial Portg.

Three picture FILE extensionsTIF, GIF, SPIFFi. Three kinds of backup- Differential backup – Full backup –Incremental backup5 a. CD-RW- A memory section that provides room for a Compact disk to be inserted and data read from or written into the disk b. Tera- Maximum size of memory that can de stored in a COMPUTER’s memory location c. Virus- A set of COMPUTER instructions that are specifically aimed to alter normal operations of a computer systemd. CMOS-This is a technology employed in development of integrated circuits particularly for microprocessorse.

Icon- It is symbolic image that designates a particular COMPUTER program or FILE.f. IDE- This is a set of programming tools integrated into a single entity within a programming environmentg. cluster- This is a set of COMPUTER components or modules that integrate to achieve functionalityh. byte- The smallest memory unit that is accessible in a COMPUTER’s memory.i. SATA- It refers to an international standard used in computer memory devices such as hard drives. J. A:\School\Summer06\CIS118\HW1.

doc This is a Microsoft word (97/2003) document called HW1. The document is in the drive A. The specification location for the document is in a folder, CIS118. The folder is a sub folder to Summer06 of which it is contained in a folder called School.6. a. Shortcut and FILE copy- Shortcut is an icon that acts as a pointer to a set of program instruction or application while a “FILE copy” is replica of an original FILE b. Windows 98 and Windows XP-Windows 98 -Is an operating system by Microsoft Corporation.

It is a 16/32bit and has boot stage based on MS-DOS-Windows XP is an operating system from Microsoft aimed for personal COMPUTERs and laptops. Provides more advance functionality that Windows 98 c. DOS and UNIX-DOS –The (Disk Operating System) refers to a set of operating system by Microsoft that came earlier than Windows 32 bit-UNIX- This refers to an operating system by Bell Labs that was designed to aid in multi user handling d. Save and Save as-Save refers to a computer instruction aimed to store a set of data in the currently set format while Save provides room for the user to choose among a number of saving formats e.

Folder and FILE-Folder-Is an icon that contains several data types and items in a single location-FILE- Is a defined memory block that contains stored information available to a COMPUTER system f. Bios boot and soft boot-Bios boot - A boot up process for loading an operating system into a COMPUTER system’s memory. This goes ahead to completing the whole boot up process -Soft boot- A computer booting process specifically used for resetting a certain part of a COMPUTER system g. Cat.

gif and Cat.doc-Cat.gif refers to a picture memory location named Cat while Cat.doc is a Microsoft office word document (97/2003) FILE called Cat. h. DVI and HDMI-HDMI- An interface that is in audio or video form. It used in the process of transferring data between digital media devices.-DVI- This refers to an interface that provides output for displaying video data i. PCI and USB-PCI- A PCI engrosses the interconnectivity series linking a microprocessor to a set of connected devices in a computer system-USB- This is a standard used in the connection of computers to memory devices such as memory card readers, flash disk and smart phones.7. HPLaserJet900Nb.

Andres Italian restaurantc. Super COMPUTERc) Number of words in Document is 10348. Main memory The main memory entails a COMPUTER’s most fundamental storage area where lots of data, programs and operating system instructions are stored. It acts as the most critical point in ensuring that the currently executing programs are provided with ample space to perform preferred sets of services. In essence, a computer main memory is a vital aspect since; COMPUTERs seriously require it to ensure that performance of instructions and data storage is done in an organized pattern.

That is, it provides a computer with an ample memory location and further ascertains that all operations are conducted in a smooth fashion. Works citedAnita, Goel. Computer Fundamentals. S.l.: Pearson Education India, 2010. Internet resource