Class 9 Computer Grand Practice MCQs Test by admin | Class 9 MCQs Tests | 0 comments 2 Class 9 Computer ScienceGrand MCQs Practice Test 1 1 / 50 It is the main chip on the motherboard that controls all the activities of the computer. All are correct CPU Microprocessor Processor 2 / 50 The purpose of using this memory is to improve the processing speed of computer. BIOS Cache Hard Disk RAM 3 / 50 The period of the second generation computers was from: 1940 to 1956 1942 to 1963 1956 to 1965 1956 to 1963 4 / 50 OCR stands for: Optical Character Recognition Output Computer Receiver Output Character Recorder Optical Computer Recorder 5 / 50 Which of the following interface uses window, icon, menu, and a pointer to interact with computer? GUI CLI Menu-driven interface DOS 6 / 50 These are the electric pathways printed on the motherboard. Connectors Expansion slots Buses Ports 7 / 50 Which of the following user interface is the easiest one to learn and use? CLI Menu driven interface DOS GUI 8 / 50 Which software is distributed free of cost for a limited period as a trial version? Open source software Shareware Freeware Productivity software 9 / 50 Which software is given free of cost for an unlimited period of time. Productivity software Open source software Freeware Shareware 10 / 50 Who is responsible for protecting information and information systems from unauthorized people in an organization? Hardware Engineer System Analyst Network Administrator Information Security Analyst 11 / 50 It loads programs into memory and executes them. ALU Logic Unit Control Unit Arithmetic Unit 12 / 50 The period of the first generation computers was from: 1942 to 1956 1940 to 1963 1942 to 1963 1940 to 1956 13 / 50 Which of the following operating system allows many users to use a computer at the same time? Real-time processing system Batch processing system Multi-user operating system Single-user operating system 14 / 50 Which of the following is volatile memory? USB flash drive Hard disk ROM RAM 15 / 50 In which of the following operating system, CPU is switched rapidly between all the programs to simultaneously execute all of them? DOS Batch Processing System Real-time System Time-sharing System 16 / 50 When were IC chips developed? 1980s Early 1960s Early 1970s 1990s 17 / 50 These are used to transmit information between various components of the computer. Input/Output devices Buses Expansion cards Ports 18 / 50 Which of the following is open source operating system? UNIX Linux DOS Novell’s Netware 19 / 50 Slid Rule was developed in 1614 by: Blaise Pascal Blaise Pascal William Oughtred Herman Hollerith 20 / 50 Which of the following computer supports thousands of users at the same time? Laptop computer Mainframe computer Microcomputer Minicomputer 21 / 50 The period of the fourth generation computers is from: 1963 to present 1971 to present 1975 to present 1965 to present 22 / 50 Which of the following operating system must process information and produce a response within a specified time? Batch Processing System Multiprogramming System Real-time System Time-sharing System 23 / 50 The old name of International Business Machines (IBM) was: Tabulating Machine Company Herman Hollerith Company Hollerith Desk Company Tabulating Desk Company 24 / 50 The types of memories on the motherboard are: 4 2 1 3 25 / 50 Second generation computers used: IC chips Transistors Vacuum tubes LSI and VLSI chips 26 / 50 It is a pointing device with a vertical lever mounted on a base. Joystick Barcode Reader Mouse Keyboard 27 / 50 Who invented logarithm? Herman Hollerith Charles Babbage John Napier Blaise Pascal 28 / 50 Which of the following Windows icon allows users to access the contents of computer drives and manage files and folders? Recycle Bin icon Shortcut icon Program icon Computer icon 29 / 50 Which of the following Windows icon allows users to access a program, file or folder quickly? Recycle Bin icon Computer icon Shortcut icon Program icon 30 / 50 All the input/output devices are connected to the: Motherboard Microprocessor Hard disk RAM 31 / 50 Fourth generation computers use: Vacuum tubes Transistors IC chips LSI and VLSI chips 32 / 50 It is a very small amount of extremely fast memory inside the microprocessor or on the motherboard. ROM Cache BIOS RAM 33 / 50 In which generation of computer microprocessor was introduced? 3rd Generation 1st Generation 2nd Generation 4th Generation 34 / 50 The storage capacity of a DVD is in the range of: 4 to 16 GB 8 to 16 GB 700 MB 128 GB 35 / 50 Which of the following is the fastest memory? USB flash drive ROM Cache RAM 36 / 50 Which one is a volatile memory? ROM BIOS RAM USB 37 / 50 The period of the third generation computers was from: 1940 to 1956 1963 to 1971 1956 to 1971 1956 to 1963 38 / 50 It is faster and more expensive than RAM. BIOS USB flash drive Cache ROM 39 / 50 DVD stands for: Digital Voice Disk Digital Versatile Disk Digital Video Disk Double Video Disk 40 / 50 Third generation computers used: Vacuum tubes IC chips LSI and VLSI chips Transistors 41 / 50 What type of software a device driver is? Application software Productivity software System software Business software 42 / 50 Which of the following operating system was introduced in 1969? Unix Linux Windows Macintosh 43 / 50 It is a magnetic storage device used to store computer data. Hard disk DVD USB Compact Disk 44 / 50 Who is known as the father of modern digital computers? Herman Hollerith John Napier Blaise Pascal Charles Babbage 45 / 50 The software which can convert an image of text into a text file that can be edited is known as: Scanner Software Image to text software OCR software Image converter software 46 / 50 Which interface is based on textual input? Windows CLI GUI Menu-driven interface 47 / 50 Which generation of computer used transistor? 1st Generation 3rd Generation 2nd Generation 4th Generation 48 / 50 Which of the following is known as main memory or primary memory of computer? ROM Cache RAM All are correct 49 / 50 First generation computers used: IC chips Transistors Vacuum tubes LSI and VLSI chips 50 / 50 It refers to the physical components that make up a computer system. Computer Softawre Computer Hardware System Software Operating System Your score is 0 Class 9 Computer ScienceGrand MCQs Practice Test 2 1 / 50 What represents the overall data transmission capacity of a computer network? Bandwidth Signal Strength Data rate Baud rate 2 / 50 The first antivirus software was developed by Bernd Fix in: early 1989 1987 early 1987 1988 3 / 50 To create a new folder in Windows Explorer simply press the following keys: Alt+Shift+F Ctrl+Shift+F Ctrl+Shift+N Alt+Shift+N 4 / 50 The process of converting analog signals into digital signals is called: Telecommunication Switching Demodulation Modulation 5 / 50 Microsoft introduced the MS-DOS in ______. 1965 1991 1971 1981 6 / 50 ___________ is a collection of system software that controls the working of a computersystem. Device Driver Compiler Operating system Application software 7 / 50 VLC media player is an example of: Freeware System software Shareware Open source software 8 / 50 It loads programs into memory and executes them. Operating system Device driver Application software Utility program 9 / 50 Which folder in Windows is the default folder where the user saves files? Computer Downloads Recycle Bin Document 10 / 50 ______ invented the world’s first microprocessor in November 1971. Control Data Corporation Intel IBM General Electric 11 / 50 Which transmission media uses light waves for transmitting information? Twisted pair cable Telephone line Fiber optic cable Coaxial cable 12 / 50 Which of the following impairment refers to undesired signals that enter the path of the transmitted signal due to electromagnetic radiation? Distortion Noise Attenuation Cross talk 13 / 50 A device driver is a: System software Utility program Application software Open source software 14 / 50 A process is a program _________. never executed after execution before execution in execution 15 / 50 Rate of change of electrical signals per second is called: Data rate Signal-to-Noise ratio Baud rate Bandwidth 16 / 50 The name of built-in anti-virus software in Windows 10 is: Windows Antivirus Windows Defender AVG Antivirus Windows 10 Antivirus 17 / 50 Which of the following is NOT a communication device? Router Switch Modem Cache 18 / 50 Slide rule was replaced by electronic pocket calculator in the early: 1960s 1980s 1990s 1970s 19 / 50 Novell’s Netware and ProDOS are the examples of: Graphical User Interface Menu Driven Interface All are correct Command Line Interface 20 / 50 Today’s modern digital computers are based on the idea of: Difference Engine Hollerith Desk Napier’s Bone Analytical Engine 21 / 50 Google Chrome is an example of: Shareware Open Source Software Freeware System Software 22 / 50 Which of the following device forwards information from one network to another by selecting the best pathway available? Switch Router Dial-up modem Access point 23 / 50 MS-DOS was replaced by: Windows 95 Windows 2.0 Windows 3.0 Windows 98 24 / 50 In which of the following transmission mode, information is transmitted in both directions but not simultaneously? Half-duplex mode High speed mode Full-duplex mode Simplex mode 25 / 50 Antivirus software is an example of: System software Freeware Open source software Shareware 26 / 50 It can be viewed as a resource manager. Operating system Device driver Antivirus Software Compiler 27 / 50 Abacus was the earliest calculating device most probably invented in: China France Italy America 28 / 50 In which of the following transmission, time interval between the characters is always same? Synchronous Satellite Microwave Asynchronous 29 / 50 For installation of Windows 10 operating system, while booting the computer, make sure DVD is set as the: First boot device Second boot device Source boot device Target boot device 30 / 50 ENIAC stands for: Electric Numerical Integrator and Calculator Electric Numerical Integrator and Computer Electronic Numbers Integrator and Calculator Electronic Numerical Integrator and Computer 31 / 50 The operating system gives full control over a computer system to a person known as: Manager Administrator User Programmer 32 / 50 It is a single user and single task operating system. Linux Operating System Unix Operating System Windows DOS 33 / 50 Which of the following is similar between Synchronous and Asynchronous transmission? Transfer of characters Addition of control information Transfer of control information Absence of control information 34 / 50 UNIX was developed for use on ______. Mainframe computers Microcomputers Mini computers All are correct 35 / 50 Which of the following is used for short-distance communication? Satellite Communication Microwave Radio signal Infrared 36 / 50 In which of the following network, every computer can act as a client, server, or both at the same time? Client/server network Local area network Point-to-point network Peer-to-peer network 37 / 50 It is a multi-user CLI operating system. DOS LINUX UNIX Windows 38 / 50 _________ is difficult to use because users have to remember the commands to perform any task. CLI GUI Windows Menu-driven interface 39 / 50 ____________ is the set of rules between the two communicating devices. Transmission media Transmission structure Transmission signal Protocol 40 / 50 ‘Pairing’ of devices is done in: Wide Area Network Bluetooth Network Personal Area Network Metropolitan Area Network 41 / 50 Flight Gear (flight simulator) is an example of: Freeware System software Open source software Shareware 42 / 50 Which of the following is NOT included in guided media? Infrared Twisted cable Fiber Optic cable Coaxial cables 43 / 50 Which of the following device is used for connecting computers together in wired local area networks? Dial-up modem Switch Access point Router 44 / 50 In which of the following impairment, the strength of signal falls off with distance? Distortion Cross talk Attenuation Noise 45 / 50 The process of converting digital signals into analog signals is called: Modulation Demodulation Telecommunication Switching 46 / 50 It acts as an interface between the computer user and computer. Operating system Device driver Application software Compiler 47 / 50 The purpose of twisting the cables is: all of these to reduce cross talk to make the transmission more reliable to reduce electromagnetic interference 48 / 50 LAN stands for: Legal Area Network Local Area Network Line Area Network Local Aerial Network 49 / 50 Which of the following device is used for connecting computers together in wireless local area networks? Switch Access point Dial-up modem Router 50 / 50 In which type of data transmission start/stop bits are used? Microwave transmission Synchronous transmission Satellite transmission Asynchronous transmission Your score is 4 Class 9 Computer ScienceGrand MCQs Practice Test 3 1 / 52 Transmitting and receiving antennas must be with in the line of sight in ____________. Satellite communication Infra red Microwave Bluetooth 2 / 52 An alternative of mouse present in laptop computers is: Joystick Touch Pad Scanner Track Ball 3 / 52 What is making illegal copies of copyright software for use on other computers or sale called? Information ownership Software privacy Intellectual rights Information privacy 4 / 52 Start and stop bits are not used in ______________ transmission. Semi Synchronous Full duplex Synchronous Synchronous Asynchronous 5 / 52 __________ network device is used to connect computers in a wireless local area network. Access point Dial-up Modem Switch Router 6 / 52 The solution to attenuation is: Amplification Modulation Modification Re transmission 7 / 52 Which of the following provides high speed Internet connection? CDMA connection Dial-up connection DSL connection SDN connection 8 / 52 Which of the following malware gathers information about user activities on computer? Spyware Worm Adware Virus 9 / 52 Which of the following topology is most expensive to implement? Ring topology Mesh topology Bus topology Star topology 10 / 52 Which is the correct association between a computer hardware component and a computer function? Mouse > input None of above CPU > storage Monitor > input 11 / 52 ______________ are used for solving complex application such as Global Weather Forecasting. Mini computer Micro computer Super computer Hybrid computer 12 / 52 What is a person who uses special tools for breaking into computer systems called? System Programmer Hacker Cracker Computer Engineer 13 / 52 A light-sensitive device that converts drawing, printed text, or other printed images into digital form is: Keyboard Scanner Joystick Bar Code Reader 14 / 52 If the signal to noise ratio is higher than 1:1 that means: Equal signals transmitted than noise None of the Above More signals transmitted than noise Less signals transmitted than noise 15 / 52 What do you call a program in execution? Task Process Instruction Command 16 / 52 Which of the following is not a type of computer on the basis of operation? Digital computer Analog Computer Remote computer Hybrid computer 17 / 52 Which of the following is not a process state? Running Ready Blocked Execution 18 / 52 _____________ is designed to solve a specific problem or to do a specific task. User Interface Application Software Language Translators System Software 19 / 52 A term that defines the direction of flow of information between devices. Transmission mode Transmission Intra connectivity Inter connectivity 20 / 52 A set of processes is deadlock if __________ All processes are trying to kill each other None of above Each process is blocked and will remain so forever Each process is terminated 21 / 52 WI–FI uses: Radio Waves Fiber optic Sound waves Line phase 22 / 52 Which of the following network topology uses a device called terminator? Star topology Bus topology Mesh topology Ring topology 23 / 52 Which one of them is not a non-impact printer? Laser printer Ink jet printer Dot Matrix printer Desk jet printer 24 / 52 By operating system, the resource management can be done viav__________. Time and Memory sharing Memory sharing Time sharing None of above 25 / 52 VLSI stands for : Very Large Scale Interconnection Very Large Scale Interpretation Very Large Scale Interruption Very Large Scale Integration 26 / 52 What is the ready state of a process? None of above When process is unable to run until some task has been completed When process is using the CPU When the process is in RAM 27 / 52 What is a person who illegally breaks into others’ computer systems called? Hacker System Programmer Computer Engineer Cracker 28 / 52 Which of the following authentication method is most reliable? Biometrics Personal Identification Number Username and password Access card 29 / 52 Which of the following authentication method is based on features of individual such as face, fingerprint and voice? Access card Biometrics Username and password Personal Identification Number 30 / 52 Assembler is used as a translator for: COBOL High Level Language C Low Level Language 31 / 52 Which of following network connects computers across cities, countries and continents? Local Area network Wide Area network Client/ Server network Metropolitan Area network 32 / 52 The processor which can perform all the operations and calculations is called: Microprocessor registers Control Unit ALU Cache memory 33 / 52 Which malware spreads automatically in computer networks and replicates itself Worm Virus Adware Spyware 34 / 52 In which of the following network topology, a switch is required? Ring topology Star topology Bus topology Mesh topology 35 / 52 Which of the following authentication method is used for opening security gates? Biometrics Personal Identification Number Username and password Access card 36 / 52 Which of the following network is used to provide Cable TV and Internet services? Point-to-Point network Metropolitan area network Local area network Wide area network 37 / 52 Which one of the following errors will be handle by the operating system? Lack of papers in a printer Network connection failure Power failure All of above 38 / 52 If an electrical signal has four states then it will _________ the bit transfer rate. Single Double Equal Tripple 39 / 52 _________ is a processing system in which jobs are collected, enters into a computer altogether and then computer executes them one by one Batch Processing Real Time Time Sharing Single User 40 / 52 Which of the following authentication methodology is used to draw cash from ATM? Personal Identification Number Username and password Access card Biometrics 41 / 52 Which of the following is designed to control the operations of a computer? Entertainment Software System Software Business Software Application Software 42 / 52 Which of the following is not the state of a process? Ready state Running state Waiting state Old state 43 / 52 They normally interact with the system via the user interface provided by the application software. Testers Users Developers Programmers 44 / 52 Which of the following is not an example of system software? Word Processor Utility Programs Language Translators Operating System 45 / 52 The operating system which processes information and produces response within a specified time is Batch Processing Real Time Time Sharing Single User 46 / 52 Modulator/Demodulator refers to ________ device. Router DSL modem Dial-up modem Switch 47 / 52 Which of the following network provides centralized security? Point-to-point network Local area network Client/server network Peer-to-peer network 48 / 52 Which of the following malware displays advertisements on the screen? Worm Virus Trojan Adware 49 / 52 A transmission impairment that refers to change in shape or frequency of digital signal is ____________. Distortion Attenuation Modulation Cross talk 50 / 52 Components used for interconnecting dissimilar networks that use different communication protocols. Routers Switches Hubs Gateways 51 / 52 Which one of the following is open-source software? DOS Unix OS Linux OS Windows OS 52 / 52 Which of the following computer shares resources on a network for others to use? Server Microcomputer Client Desktop computer Your score is Submit a Comment Cancel replyYou must be logged in to post a comment.