Computer Science (PDF)

It consumes very large amounts of electricity, occupies a very large space and it needs special cooling systems that result in huge temperature These characteristics for Minicomputer Mainframe Computer Supercomputer Microcomputer is a set of electronic lines through which exchanges are madebetwee...

It consumes very large amounts of electricity, occupies a very large space and it needs special cooling systems that result in huge temperature These characteristics for Minicomputer Mainframe Computer Supercomputer Microcomputer is a set of electronic lines through which exchanges are madebetween computer components..... Function recorders Arithmetic logic unit CPU Buses The result of converting 50 from decimal to octal is 62 T F It is a set of software that controls the operation and management of-computers System software Application software Programming Language Open source software The result of converting (3BF) from hexa to binary is 001110111111 T F They are the physical devices that are connected to each other to form a computer Human Hardware Microphone The result of converting this number 42117248 from kb to gb 23 40 41 Input units are responsible to display the information that is stored in the computer T F Human is more accurate comparing to computers T F Microwaves are used in networks: Wireless media Wired media All above answer are correct It can net eavesdrop and information wes stolen Twisted Par Coaxial Cable Fiber optics Communication via audio conferencing are of the types: Synchronous communication Asynchronous communication All above answers are false From closed source antivirus software Equivalent program. Microsoft security essential. Windows Defender. One of the benefits of using computer networks Sharing programs, data and information Sharing devices All above answers are correct It work depends on the presence of the main cable Ring Network Bus network Star network The types of networks In terms of communication media: Wired and wireless Private and public networks Local and Wide area networks A program that helps in managing, monitoring and evaluating e-learning and training and does not focus too much on content Courses Mnagement System(CMS) Learning Mangement System (LMS) All above answers are false The Pascal computational machine for addition and subtraction was developed during... stage of computer development First Third Second An example of an open source electronic learning management system Moodle system Tadarus Blackboard Big and Heavy Weight Monochrome Screen: LCD Screen CRT Screen PLASMA Scree The emergence of multi-core processors in the.....generation Fifth Third Second Processor speed is measured in multiples of: Hz Bit Byte AGP slot in the motherboard used for: Sound card Screen card Network card Arithmetic and logical operations are performed in: CPU unit Input unit Output unit Networks is appeared in the first time in the...... generation: Third generation Fourth generation Fifth generation Is influenced by emotion and external influence The human The computer All about answers are the Is the types of computers according to the method of processing: Digital computer Analog computers All options are correct Is influenced by emotion and external influences: The human The computer All above answers are false..Is an example of input unit Scanner Printer Plotter devices The decmal system uses the set of numbers From 0 to9 From 1 to 10 A above answers are talse Is one component of CPU unit Arithmatic and logical unit Input and output unit All options are correct A group of software that controls the operation and management of the computer, programs and peripheral devices: Application software Utility software System software Is an example of non-conventional input units Microphone Light pen All above answers are true Among the goals of e-learning: Increasing opportunities for learning Enable students to self-learn All the above answers are correct The most famous Arab open education platforms: Whatsapp Shams Google Components that are Required to make a local Network: Connecting cards Network Operating System to manage and control devices All above answers are correct Is a non-interactive sites: Static site Dynamic Sites All above answers are correct That program that allows you to view web pages and images over the Internet: Word processor software Web browser software All above answers are correct Is one of computer units that perform processing: Input unit System unit. Output unit. The most famous examples of search engine Google Amazon All above answers are correct An example of asynchronous communication is in e-learning Video conferencing E-mail Audio conferencing Is a type of wired communication media whereas the weakness of signals is very low: Fiber Optics Coaxial Cable Twisted Pair It is a protocol that helps the user to transfer files and data on the Internet: HTTP FTP All above answers are correct When the internet address ends by goV: Government sites Commercial sites Educational sites...................is a program that translates the source program into a program in machine language, sentence by sentence to be executable. Compiler M Interpreter Assymbilar E-commerce can be defined, according to the World Trade Organization, as: "E-commerce" is the process of selling, buying, or exchanging products, services and information using electronic media such as internal computer networks and the Internet. E-commerce: includes activities of production, distribution, marketing, sale and delivery of goods and services to the buyer via electronic media. All above answers are false Of the components of the educational content management system: Learning Object Repository. Dynamic connection interface. All above answers are correct Infects the hard disk and drivers by infecting the boot sector: File viruses Boot sector viruses Mecro viruses None of methods to get spyware: Through fiber cables. Through email. Through electronic chat sessions. is a type of search that using different search engines and then displays the results to the user? Meta-Search Engine Yahoo.com Directories search is not a MALWARE program. Viruses Spyware Worms From Arab Open Learning Platforms: Khan Academy Edraak Gamfication is: Interactive electronic learning. Supports virtual classes. All above answers are false. Is a one of concealment strategy that transforms and rewrites itself at every repeat, making it more difficult to detect, and working on a strategy that changes its software, and reassembles itself into an executable form Polymorphic Virus Encrypted Virus Metamorphic Virus Among of the drivers of penetration: Obtaining money by stealing bank information Obtaining personal information for blackmail All above answers are correct Is one of output devices only Touch screen Printer All options are correct Among the advantages of the virtual classroom system on the Blackboard Ultra platform: There is no need to install the Java program High quality web conferencing All above answers are correct One of the features of the blackboard system Open source platform Its integration with Shams platform All above answers are correct A computer cannot operate without: AntiVirus Application software Operating system Computer performance is measured by: CPU speed X RAM capacity All above answers are correct Is one of the main functions of operating system Operation control Processor management All the options is correct This generation was characterized by the emergence of Fortran and Cobol: Second generation Third generation Fifth generation One numerical system that used the digits from 0 to 9 and letters from A to F Binary system Decimal Hexadecimal system Is an example of operating system Linux PowerPoint All options are correct As computers evolve... They become faster Their storage capacity increase All above answers are true Headphones is classified as Conventional (Standard ) output unit Non Conventional (Non Standard ) output unit Conventional (Standard ) Input unit Special temporary storage sites that are used when executing a program: Registers Control unit Arithmatic and logical unit Laser printers are classified as: Output unit device only Input and Output unit device together Input unit device One of types of computers commonly used in universities and banks: Mainframe computers Micro computer Supercomputer Integrated circuits were used in.... generation of computers: Third Fourth First Is an example of commercial protection protocols Hypertext Transfer Protocol (HTTP) First Virtual Holding All above answers are correct The buying and selling operations that take place between businesses are one of the e-commerce classifications according to: Nature of the activity The nature of the transactions All above answers are false The data inside the computer is represented by encoding..... which converts letters and numbers into pulses: Binary system 0,1 Hexadecimal system Decimal system The unit responsible for managing all computer operations: Arithmatic and logical unit Input and Output units I Control unit Communication throght blogs is a type of: Asynchronous communication Synchronous communication All above answers are false From the fields of e-commerce according to the nature of the transactions Business to business E-marketing Specialized services Some of the advantages of e-commerce: Available anytime and anywhere Ease paidof access All above answers are correct Payment systems used in e-commerce: Bank transfers (Debit Card) All above answers are correct Among the features of Windows 10 : The loading speed Microsoft stor All above answers are correct The document can be saved in MS.Word by pressing: Ctrl +H Ctrl +V Ctrl +S PowerPoint files extension: pdf doc ppt You can delete a file in Windows by selecting the file and pressing: DEL button CTRL+ C button All above answers are false Is an example of cloud computing services E-mail Google drive All above answers are correct Is type of registrars in which data are deal with in terms of storage, mathematical and logical operations: Cases registrars Address registrars Data registrars is a program that aims to collect personal information about an individual or organization without their knowledge, which may cause data theft and slow down the computer. Hackers malicious programs Spyware. Among the characteristics of the second generation of computers: Use of vaccum tubes. Transistor use. Use of integrated circuits. Among the tools of asynchronous communication in e-learning:. Video conferencing Conversation. Wiki. The first virus to be transmitted via e-mail is: LOVE Virus My Doom. Melissa virus It is the ability to access information inside the device illegally: Viruses. Penetration. Spyware programs. One type of wired media that are cheap, easy to install, and the most used media is: Coaxial Cable Fiber Optics Twisted Pair To copy the format, we use the following icon: A B C PS / 2 port is used to connect............. The microphone device. Computer mouse. A computer with the network, whether local or global. E-learning levels at the University of Bisha include Open e-learning Free e-learning Supportive e-learning. The process of communication between devices in the internet is governed by a protocol TCP/IP IGMP All above answers are false Of the functions of learning management systems: Publish the scientific material Authoring application Authoring educational programs One of the computer component is.......... Hardware Data and information All options are correct It can not eavesdrop and information was stolen. Twisted Pair Coaxial Cable Fiber Optics Computer performance is measured by: Processor Speed Capacity and speed of random memory Speed and size of the hard disk All answers are correct E-learning content is given using: Interactive electronic materials Electronic simulation All above answers are correct Shams platform aims to achieve: Contribute to the quality of continuing education Improving the quality and accessibility of teaching resources All above answers are correct Payroll, attendance and leave programs are example of: General purpose applications. Special purpose applications. Device Drivers Is the oldest printer Ink jet printer Multi-function printer Dot matrix printer One of the characteristics of the second generation of computers: Use of vacuum tubes Use of integrated circuits Use of transistor It is a special temporary storage unit used when executing a program: Arithmatic and logical unit Register unit Control unit Is a type of Bus that used to assign addresses different places in the memory or input and output ports. Address Bus Control Bus Data Bus Is one of fields that the human distinction on the computer: Ability to think freely High speed Accuracey One of the advantages of open source software: It is not free and can be modified on them Allow addition and modification to it All above answers are false The computer displays the information resulting from the processing using: Output devices Input unit Storage unit It displays the information generated by the processing operations by different ways Input unit Output unit Storage unit.......was used with first-generation computers. Machine language Pascal language Python language. One of the oldest types of printers Dot matrix printers Inkjet Laser printer D Printers 3 :How Many Bit in 5 KB 5x8 5 5x1024x8 5x1024 The Processor speed is measured in a unit called GHZ Byte Bit All answers are correct It is Not a Storge Unit Hard Disk CD Flash Memory. Non of the bove Microphone is a Input Unit Output Unit Input and Output Togother Non of the bove Hard Disk is the example of Internal Storage External storage Output Unit Input Unit It is considered the most economical, clear and fast printer: Ink jets printer Dot matrix printers Laser printers Keep the data of operating system and does not lose its contents when the power is off: ROM Register RAM Is a forms of micro-computer: Portable Super Computer All above answers are true This type of computer is used to serve banks and airlines Microcomputer Mainframe Super computero A temporary memory resides inside the processor called: Cache RAM ROM ATM networks is an example of: Wide Area Network Local Area Network All above answers are correct It means all units, devices and accessories that make up the computer Hardware Software Programming Languages Applications Software It is a protocol that helps the user to transfer files and data on the Internet: All above answers are correct HTTP FTP Lost its contents when the power is off RAM ROM Hard Disk CPU Unit responsible for all Mathematical Operations Buses ALU Registrars CU Of the components of the educational content management system: Learning Object Repository. Dynamic connection interface. All above answers are correct Among the interactive tools in the virtual classroom are: Electronic whiteboard E-mail All above answers are false 1. Control panel is used for [a] a) Computer Settings b) Change Operating system c) Both a & b d) none 2. From where we can uninstall the program. [b] a) Start b) Control panel c) Task bar d) Desktop 3. Recycle Bin is used for [a] a) Deleted item b) Store Data c) View Pictures d) all of these 4. How many options in shut down button. [d] a) Logoff b) Switch user c) restart d) all of these 5. How to change the language from desktop English to Arabic [b] a) Title Bar b) Task bar c) Right click desktop d) all program 6. Shift+Alt is used for [c] a) Change theme b) Change Color c) Change Language d) Change Settings 7. Win+E is used for [b] a) Open Document b) open Computer c) Close Computer d) Close Desktop 8. Windows key is used for [a] a) Open Start programs b) Close Start programs c) Show desktop d) none 9. We can change printer settings from [d] a) Control panel b) Devices and Printers c) Task bat d) Both a & b 10. How to change desktop background Theme. [d] a) Desktop –personalize b) Control panel- personalize c) Desktop- gadgets d) both a & b 11. How to change Screen Resolution. [b] a) Personalize b) Screen Resolution c) Start button d) task bar 1 Which is the input and output units together A. Touch screen B. HDD C. All of the above is true 2 The computer cannot operate without: A. Operating system. B. Application software. C. Protection software. 3 The decimal system uses the set of numbers A. From 0 to 9 B. From 1 to 10 C. None of the above 4 The emergence of multi-core processors in the generation: A. II B. The third C. Fifth 5 The scanner is one of the following: A. Input B. The output C. Input and output together 6 This system allows one user to run one program or perform one operation at the same time: A. Single user and multi-tasking systems B. Single user systems, one task C. None of the above 7 A program that translates the source program into a sentence to be executable: A. The compiler B. The interpreter C. None of the above 8 Calculators are divided according to size into: A. Special Calculators B. Medium Calculators C. None of the above 9 It displays the information resulting from the processing operations using multiple methods A. Input units B. Output units C. Volumes 10 Processor speed is measured by: A. Kilobytes KB B. Terabyte TB C. Hertz 11 types of calculators according to data type A. Special Purpose Calculators B. Calculators with serial processing C. Analog Calculators 12 has hundreds of thousands of processors working together A. Large Calculators B. Medium Computing C. Supercomputers 13 Arithmetic and logical operations are performed in: A. CPU B. The memory unit C. Output unit 14 The design of the first generation computers was based on: A. Discharged valves B. Transistor C. Integrated circuits 15 The first appearance of ROM and temporary memory was in computers: A. The third generation B. The fourth generation C. Fifth generation 16 CPU components A. Secondary memories B. Recorders C. All of the above is true 17 programming languages close to human are: A. Low-level languages B. High-level languages C. All of the above is true 18 unconventional input modules A. The microphone B. The light pen C. All of the above is true 19 of the oldest types of printers A. Dot matrix printers B. Inkjet printer C. Multifunctional printer 20 cache memory located in the processor called: A. RAM B. ROM C. Cache Mechanical and electromechanical computers appeared in the ……of computer development: Second stage Third stage First stage Operating and Managing more than one processor at the same time: Multiprocessing operating system Multitasking operating All about answers are false Technology used in the first generation computers is.... Integrated Circuits Vaccum tube Transistor Each alphabetical letter or symbol on the keyboard is represented on the computer by a group consisting of. when using UNICODE. Six binary numbers Eight binary numbers Foure binary numbers Once the computer is turned on the operating system loads most of its commands and functions from ……memory: RAM ROM All above answers are false High-level programming languages such as Lisp and PL /1 have appeared in: Fourth generation Third generation MM Second generation One example of Single user-Single task operating system: Windows. DOS. Linux. Windows operating system is one of the………… Free operating system Non-free operating system All above answers are correct Is one of free operating system Windows Ubuntu MAC One example of Shareware is Adobe Photoshop LibreOffice. All above answers are false Shareware is distributed for free on a permanent basis Software that is not protected by copyright law Programs are distributed free of charge for the purpose of trying them for a specific period of time It is a not feature of the third generation Use of vaccum tube Use of transistor All above answers are correct Is one of system software Utility software Database All option are correct Is an example of application software: word software Programming languages Systems software Real time operating system is used in....… Applications for managing and sharing networked devices, data and informati Industrial, medical and airport control applications. All above answers are false Is one of input and output unit Touch screen Fingerprint reader. 3D printer. To protect the computer from the viruses: Do not use an infected flash memory Update the operating system All above answers are correct It is part of a program that is intentionally hidden inside a desirable program: E-mail worms Trojan Horses All above answers are false Operating sector viruses are among the types of viruses according to: Speed of spread The size of the damage. Goal based classefication Non of malware (mulware) programs Spyware Viruses Worms It is transmitted by TCP / IP protocol. Worms Trojan hourses Viruses Types of penetration: Hacking of servers of companies or government agencies through penetrating the government fire walls. Hacking personal devices and tampering with the information they contain All above answers are correct A component of information security. Integrity Risks Threats From commercial electronic learning management systems Tadarus Moodle All above answer are correct The boot sector viruses is: These are viruses that infect the basic boot program on the disk These are viruses that infect the basic boot program on the memory All above answers are correct From mechanisms of viruses The execution phase The propagation phase All above answers are coorect From computer ethics Ethics of using a computer between a person and himself Ethics of using a computer between a person and a third party All above answers are correct Non of the ways to present e-learning content: Interactive electronic materials that include text and animation. Electronic Simulation. Virtual classes. Works with Windows 8 and above: Windows Defender Program Microsoft Security Essentials All above answers are correct Networks are classified based on: Geographic network coverage How to connect network components together All above answers are correct The most important reasons to infection with viruses: File backup Download secure file Open Email from unknown and virus-infected emails It is not a type of non-synchronous e-learning: Wiki. Forum / Discussion Board. Video Conference Is an example of open source E-learning systems: ATUTOR Tadarus Blackboard Safety is defined as: It is the provision of protection to ensure the user's safety from exploitation or extortion. Providing protection to ensure the security of information, data and personal privacy. All above answers are correct Types of networks according to connection method: Local area networks Wide area networks Ring networks Is one example of anti-viruses programs MS Word Photoshop All above answers are false Are a group of equivalent devices directly connected to each other Peer to Peer networks All above answers are correct Client and Server Network Non of the ways to present e-learning content: Virtual classes. Electronic Simulation. Interactive electronic materials that include text and animation. my Green Icon in Microsoft Security Essentials indecate that: The situation is not protected The computer is in a very dangerous The computer's security condition is good Viruses are: Small program programmed to damage a computer. Part of a program that is intentionally hidden within a desirable program segment. Programs that reproduce themselves but do not contaminate other programs. Computer specialists or experts in illegal activities: Ckracks Hackers From scan options in Windows Defender are: Quick scan Full scan All above answers are correct Dynamic websites are classified into types of websites according to: Interact with the user Only the owner of the site All above answers are false From symptoms of infection with viruses Some files are damaged Save files automatically All above answers are false Computer is a a) Mechanical device b) Electronial devce too c) Electrical device Which one is read only memory a) RAM b) ROM c) Hard disk choose the odd one a) flash b) touch screen c) mouse which is input and output unit to gather a) Mouse b) Printer c) Camera Perform all arithmetical and logical operation a) Control unit b) Printer c) ALU It’s a protocol that helps the user to transfers files and data on the internet ATP t TCP / IP all about answers are correct ………is an example of a program that allows free use for a specified trial period After the period ends the trial program will stop working fully or partially Filzip Adobe photoshop LipreOffoce application In Excel , the AVERAGE function is used to find Average values for a group of cells Sum of the values of a group of cells All about answers are false ……it is a type of computing in which operations are performed on a number of different computers located anywhere, as needed, over the internet Cloud computing Grid computing All about answers are correct Among the commercial security protocols related to networks security: Net cach mas protocol SSL protocol All about answers are correct Of the payment system in e-commerce The traditional payment method Bank debit card All about answers are correct Wired communication not including……….? Optical fiber Coaxial cable Microwave Used to record audio material from an external device for a computer: VGA port Audio in All about answers are false From Excel features: Display tabular date Create accurate graphs All about answers are correct Is a type of main memory that is programmable and erasable memory ROM EPROM EROM OER is a type of: Open source systems Open Educational resources Educational contact management system ……is a one of the viruses mechanisms Execution phase Dormant phase All about answers are correct Computer performance is measured by: Display screen size Printer speed All about answers are false Software that allows adding and modifying software are: Open source software Free software Sharing software Among the basic functions of the operating system: Operating monitor Processor management All about answers are correct