Quiz 4 date 06/01/2023 admin 4 years ago Spread the love 0% 0 Quiz no 4 1 / 100 1) The set of rules to exchange data in a communications network is called: a) Protocol b) Method c) Token d) Procedure 2 / 100 2) An advantage of synchronous over asynchronous transmission is: a) Speed b) Simplicity c) Two-way d) Error checking 3 / 100 3) Which register holds base location of all executable instructions in the program? a) ES b) CS c) SS d) DS 4 / 100 4) All of the following are elements of data communication system EXCEPT: a) Medium b) Sender c) Receiver d) Voltage 5 / 100 5) How many characters of data does a byte usually represent : a) Terabyte b) Kilobyte c) Gigabyte d) Megabyte 6 / 100 6) The layer that is concerned with addressing and routing is called: a) transport b) Presentation c) Physical d) Network 7 / 100 7) The World Wide Web was introduced in: a) 1989 b) 1960s c) 2000 d) Mid-1970s 8 / 100 8) What binary bits are used to encode digital data? a) Os and 1s. b) Os c) .0 to 9 d) 1s 9 / 100 9) Expansion cards are inserted into: a) Slots b) Plugs c) Buses d) CPU 10 / 100 10) EBCDIC is a a) .6-bit b) 7-bit c) 8-bit d) 4-bit 11 / 100 11) The USA Defense Department initiated theInternet in: a) 1980 b) 1969 c) 1976 d) 1969 12 / 100 12) Which of the following is mostly used on different products in the market? a) MICR b) UPC c) OMR d) OCR 13 / 100 13) ISP stands for: a) Internet Service Provider b) International Service Provider c) Interlinked Services Provision d) Intranet’s Service Party 14 / 100 14) The_________layer is the layer closest to the transmission medium a) Presentation b) transport c) Session d) Physical 15 / 100 15) The keyboard format that is most commonly used is the : a) SPLITER b) QWERTY c) DVORAK d) TWRITER 16 / 100 16) Which of the following is valid Website Address? a) www.it.com b) %VW . hello c) it4.com d) ww.hello.com 17 / 100 17) Which register holds the address of next instruction to be fetched for execution? a) PC b) IR c) MAR d) MBR 18 / 100 18) Which of the following is NOT a network topology? a) Band b) Star c) Bus d) Tree 19 / 100 19) 1 Gigabyte (GB) =____ bytes : a) 2×40 b) 2×10 c) 2×30 d) 2×20 20 / 100 20) A bus with 64 lines can carry ______of data: a) 64-bits b) 32-bits c) 64-bytes d) 16-bits 21 / 100 21) Which of the following device is used to get hardcopy output? a) Keyboard b) Monitor c) Speaker d) Printer & Plotter 22 / 100 22) Which of the following technique uses modulation? a) Baseband b) Broadband. c) Bandwidth d) Bitband 23 / 100 23) DFD stand for : a) Data Definition Diagram b) Data Flow Diagram c) Data Flow Design d) Digital Flow Diagram 24 / 100 24) The types.of signals can be: a) Digital b) Analog c) Digital and Analog d) Analog 25 / 100 25) The typical fiber optic cable consists of very narrow strand of glass called: a) Sheet b) Cladding c) Base d) Core 26 / 100 26) A computer main function is to : a) Display data b) Create data from information c) Convert information to storage d) Convert data into information 27 / 100 27) A type of communication that sends that uses a clock to control timing of bits being sent is called: a) Synchronous transmission b) Asynchronous transmission c) Isochronous transmission d) Monochronous transmission 28 / 100 28) A port on the computer may be connected to: a) CPU b) Motherboard c) Expansion card d) Expansion card and Motherboard 29 / 100 29) Another name for email program is: a) Mail server b) Web client c) Internet Explorer d) Email client 30 / 100 30) A device that connect multiple network using similar or different protocol is: a) LAN b) Router c) Ethernet d) Modem 31 / 100 31) Copying data from Internet to computer is called: a) Transferring b) Moving c) Uploading d) Downloading 32 / 100 32) The computers in wide geographical area can be efficiently connected by: a) Satellite b) Twisted pair c) WiFi d) Coaxial cable 33 / 100 33) 1 Megabyte (MB) =__ bytes : a) 2×20 b) 2×40 c) 2×30 d) 2×10 34 / 100 34) Two types of display devices are____displays. a) Flat-panel and CRT b) Stylus and puck c) Impact and non-impact d) Inkjet and Laser 35 / 100 35) In the OSI model, encryption and decryption are functions of the________? a) Session layer b) Application layer c) transport layer d) presentation layer 36 / 100 36) Every host computer on the Internet has a(n): a) Unique 15-digit number b) Similar IP address c) Unique IP address d) Common name and number 37 / 100 37) Data can be erased using ultraviolet rays written on: a) EEPROM b) EPROM c) RAM d) EPROM 38 / 100 38) Typically, data transfer rate in LAN are of the order of: a) Megabit persecond b) Terabit per second c) KiloBIt per second d) Bits per second 39 / 100 39) Which of the following is NOT a type of protocol? a) ARCnet b) FTP c) Ethernet d) CCIT 40 / 100 40) Which protocol works on the concepts of ring topology and a token? a) TCP/IP b) Token Ring c) Ethernet d) ARCnet 41 / 100 41) Information technology is a combination of : a) Computing and electrical technology b) Computing and mechatronics technology c) Computing and mechanical technology d) Computing and Communication technology 42 / 100 42) Another name for main memory is : a) Primary storage b) Tape storage c) Permament storage d) Secondary storage 43 / 100 43) How many characters of data does a byte usually represent : a) 1 b) 4 c) 2 d) 3 44 / 100 44) MAN stands for: a) Metropolitan area network b) Massive Area Networks c) Metropolitan arranged network d) Marked area network 45 / 100 45) Which of the following topology is used by Ethernet protocol? a) Mesh b) Bus c) Ring d) Band 46 / 100 46) The speed of laser printer is measured in : a) Words per min b) Page per min c) Lines per min d) Character per sec 47 / 100 47) The CPU is housed in a single chip called: a) Data processor b) Microprocesso c) Graphic processor d) Language processor 48 / 100 48) A type of communication that sends data using flow control to synchronize data between sender a) Isochronous b) Synchronous transmission c) Asynchronous transmission d) .2 49 / 100 49) A common type of diagram in most project management software is : a) System flowchart b) Data flow diagram c) Gantt chart d) CASE tool 50 / 100 50) The process of storing the programs and data in memory is called. a) Floppy Disk b) Stored-program concept c) Data communication d) CPU 51 / 100 51) ___________allow the processor to communicate with peripheral devices. a) System bus b) Expansion bus c) Processor bus d) Memory bus 52 / 100 52) The individual images that make up a video are called: a) Pixels b) Frames c) Bytes d) Pixels 53 / 100 53) OMR stand for : a) Optimum mark reader b) Optical mark radiation c) Optical mark reader d) Optical map reader 54 / 100 54) The higher resolution means: a) Larger pixel size b) Greater number of pixels c) Bigger picture d) More accurate voice recogination 55 / 100 55) Which network covers a large area: a) NAN b) WAN c) MAN d) LAN 56 / 100 56) The layer that defines the formats the data uses as it in transmitted on the communication line a) presentation layer b) transport layer c) physical layer d) Session layer 57 / 100 57) Which modem is used to transmit data signals through air instead of cable? a) Internal b) All c) Wireless d) External 58 / 100 58) A device used to connect similar networks is called: a) Bridge b) All c) Gateway d) Bus 59 / 100 59) The circuit board that connects the monitor to computer is called: a) Video adapter b) Network adapter c) Monitor adapter d) Monitor link 60 / 100 60) The most familiar input device for computer is : a) Scanner b) Monitor c) Graphics tablet d) Keyboard 61 / 100 61) Digital signal represents a sequence of values. a) Discrete b) Continuous. c) Unique d) Bytes 62 / 100 62) The system that translates an IP address into an human-readable name is called: a) Domain b) Domain name system c) IP system d) Domain numbering system 63 / 100 63) An example of non-numerical data is: a) Roll No b) Marks c) Bank balance d) Address 64 / 100 64) In WAN, the communication software that allows a personal computer to appear as terminal is call a) Teleconferencing software b) Electronic mail software c) Terminal emulation software d) Bulletin board system 65 / 100 65) Which of the following devices uses parallel transmission? a) Printer b) .Keyboard c) All d) Mouse 66 / 100 66) Analog signal is measured in: a) Hertz b) Volt c) WATTS d) Amplitude 67 / 100 67) Which of the following protocol is used to access web pages on Word Wide Web? a) Ethernet b) HTML c) HTTP d) Gopher 68 / 100 68) A binary signal can be send using : a) Three bit b) Four bit c) Two bit d) One bit 69 / 100 69) The step that performs the actions given in the instructions is called: a) Execute b) Calculate c) Decode d) Fetch 70 / 100 70) The operation of arithmetic and logic unit is directed by: a) Processor b) Memory Unit c) Control unit d) ALU itself 71 / 100 71) Every webpage has unique address on the World Wide Web known as: a) URL b) HTML c) HTTP d) Hyperlink 72 / 100 72) Computer is a combination of : a) hardware b) software c) Knowledge d) Both a and b 73 / 100 73) Which computer memory is used to store programs and data being processed by the a) EEPROM b) ROM c) RAM d) EPROM 74 / 100 74) The primary difference between a LAN and a WAN is: a) The variety of hardware devices b) The number of software programs available c) The number of hardware devices d) Distance 75 / 100 75) In a typical LAN, each computer on the network is connected through: a) Microwaves b) Phone c) Satellite d) Cables 76 / 100 76) How many types of network standard are there a) 2 b) 16 c) 4 d) 8 77 / 100 77) A set collection of a large number of computers all over the world connected to one another is a) Interlink b) Internet 78 / 100 78) Which layer is responsible to establish, maintain and terminate user connection a) Transport b) Presentation c) Application d) Session 79 / 100 79) The network that connects different campuses of a college in city is an example of: a) NAN b) WAN c) MAN d) LAN 80 / 100 80) The dots that compose the image of a digital photograph are called: a) Pixels b) Digital points c) Resolution d) Dot matrix 81 / 100 81) Checking a computer program for errors is called: a) Debugging b) Bugging c) Running d) Correcting 82 / 100 82) Specifications on how the system willsatisfy its requirements are created during : a) Design b) Implementation c) Development d) Analysis 83 / 100 83) The music and speech.represent: a) Audio b) Text c) Image d) Numeric 84 / 100 84) Mobile phone(Cellular) systems often use: a) MAN b) NAN c) LAN d) WAN 85 / 100 85) Memory space in a computer is used to: a) Hold application programs b) Hold data and information temporarily c) All of the these d) Provide additional space as needed for programs or data 86 / 100 86) signal is a continuous electrical signal in the form of wave. a) Green b) Digital c) Red d) Analog 87 / 100 87) The brain of the computer that executes the instructions is called: a) CPU b) System unit c) Motherboard d) RAM 88 / 100 88) Which of the following is used for static RAM technology? a) Secondary storage b) Registers c) Cache memory d) Primary memory 89 / 100 89) What is another term for unguided media? a) Infrared b) Radiated c) Wire. d) Unbounded 90 / 100 90) Pixel is short for a) Picture elements b) Pictuer enters c) Place edit d) Page edit 91 / 100 91) Television and radio broadcasts are examples of: a) .Duplex transmission b) Full-duplex transmission c) Half-duplex transmission d) Simplex transmission 92 / 100 92) A tiny handle in the middle of the keyboard is called: a) Mouse b) . Trackball c) . Pointing stick d) Graphic table 93 / 100 93) The process of transferring data electronically from one place to another is caled a) Data processing b) NIC c) Data Sequence d) Data communication 94 / 100 94) What happens first when CPU executes an instruction? a) Instruction fetch b) All c) Decode instruction d) Execute instruction 95 / 100 95) In _________topology, the entire network goes down if the backbone cable fails a) Ring b) Bus c) Tree d) Mesh 96 / 100 96) Transferring information from computer to Internet is called: a) Pasting b) Downsizing c) Uploading d) Downloading 97 / 100 97) Which transmission allows data to travel in one direction at a time? a) Duplex transmission b) Simplex transmission.. c) .Half Duplex transmission d) Full Duplex transmission 98 / 100 98) A printer is needed to: a) Create softcopy of the document b) Create word files c) Create hardcopy of document d) Create PDF files 99 / 100 99) Modem stands for: a) Modulation/demodulationn b) Modification/demodification c) Mode/ Modeless d) Modeling/Demonstration 100 / 100 100) Physical path that connects the source and receiver is known as: a) Decoder b) Linear medium c) Encoder d) Communication channel Your score is LinkedIn Facebook Twitter VKontakte {{#message}}{{{message}}}{{/message}}{{^message}}Your submission failed. 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