Spread the love/90 95 Aiou Workshop 5403| Full Test 1 / 90 1) Which of the following technique uses modulation? a) Baseband b) Broadband. c) Bandwidth d) Bitband 2 / 90 2) The type of conversion in which both new and old systems operate together for a period of time is : a) Pilot b) Direct c) Parallel d) Parallel 3 / 90 3) RAM stands for a) Readily available memory b) Remember all memory c) Random access memory d) . Read and more memory 4 / 90 4) Which is the most secure type of transmission medium? a) Microwave b) .Coaxial cable c) Twisted-wire pair d) Fiber-optic cable 5 / 90 5) Data can be erased using ultraviolet rays written on: a) RAM b) EPROM c) EPROM d) EEPROM 6 / 90 6) Which multiplexing technique shifts each signal to a different carrier frequency? a) TDM b) DFM c) FDM d) TTD 7 / 90 7) What type of device translates data into a form that we can understand? a) Input b) Output c) Storage d) Network 8 / 90 8) For every opening brace in a C program, there must be a: a) Closing brace b) Comma c) Colon d) None 9 / 90 9) The modern revolution in information technology can be termed as : a) All b) Computer revolution c) Communications revolution d) Information revolution 10 / 90 10) A network that covers a limited geographic distance such as an office is called: a) TAN b) MAN c) LAN d) WAN 11 / 90 11) The output can be: a) Printed out b) Displayed on screen c) All d) Played through speakers 12 / 90 12) The diameter of fiber optical cable is: a) 62.5 mm b) 62.5 microns c) 62.5 m d) 62.5 cm 13 / 90 13) Which of the following is not a biometric technique: a) Badge b) Retina c) Palm print d) Face 14 / 90 14) The type of reader commonly used to read bank checks is a (n). a) Optical-mark reader b) Bar.code reader c) Magnetic-ink character reader d) Bank check reader 15 / 90 15) Which of the following is not a:data communication mode? a) Simplex Half-duplex b) Half-duplex c) Auto. d) Full-duplex. 16 / 90 16) Physical path that connects the source and receiver is known as: a) Encoder b) Linear medium c) Communication channel d) Decoder 17 / 90 17) Information technology is a combination of : a) Computing and mechanical technology b) Computing and mechatronics technology c) Computing and electrical technology d) Computing and Communication technology 18 / 90 18) .Which transmission type transmits data one character at a time a) Ethernet. b) Asynchronous c) Synchronous d) Parallel: 19 / 90 19) How many characters of data does a byte usually represent : a) Megabyte b) Gigabyte c) Kilobyte d) Terabyte 20 / 90 20) The address of instruction being executed is contained within: a) Memory Address Register b) Memory Buffer Register c) Program Counter d) Current Instruction Register 21 / 90 21) Which communication technique can transmit the data over long distance? a) Bandwidth b) Baseband c) Bitband d) Broadband 22 / 90 22) DNS stands for: a) Dual Number System b) Domain Name System c) Decimal Number System d) Decimal Numeric System 23 / 90 23) The type of conversion in which a subset of users migrate to new system while others continue to use a) Phased b) Parallel c) Direct d) Pilot 24 / 90 24) Who developed C? a) Al- Khuwarizmi b) Charles Babbage c) Von-Neumann d) Dennis Ritchie 25 / 90 25) The devices use to enter data or instruction in a computer include : a) All b) Mouse c) Microphone d) Keyboard 26 / 90 26) Which software is used to solve every day personal or business tasks? a) Operating system b) Device drives c) System software d) Application software 27 / 90 27) How many characters of data does a byte usually represent : a) 3 b) 4 c) 2 d) 1 28 / 90 28) A tiny handle in the middle of the keyboard is called: a) Mouse b) . Pointing stick c) Graphic table d) . Trackball 29 / 90 29) main is a a) Expression b) Compiler directive c) Function d) Comment 30 / 90 30) MICR stands for: a) Magnetic Ink Character Reader b) Magnetic Ink Character Recorder c) Magic in Character Redo d) Magical Ink Character Reader 31 / 90 31) Computer transmit data in the form of codes. a) Analog b) Decimal c) None d) Binary 32 / 90 32) The expression may be: a) string b) Constant c) All d) arithmetic expression 33 / 90 33) Who owns the Internet? a) United Nations b) Pak Telecom c) U.S. Government d) None 34 / 90 34) Which of the following is a keyboard event? a) Key up and Key down b) Key up c) Key down d) Key drag 35 / 90 35) All of the following are properties of a monitor expect: a) Size b) Color c) Resolution d) Speed 36 / 90 36) A person who gains illegal access to a computer system is called: a) Hacker b) Authorized person c) Network controller d) Computer operator 37 / 90 37) What type of printer forms images one character at a time as print head moves across the paper : a) Line printer b) Laser printer c) Inkjet printer d) Dot-Matrix printer 38 / 90 38) BCD stands for: a) Binary coded decimal b) Base coded decimal c) Byte coded decimal d) Bidirectional coded decimal 39 / 90 39) Computer programs are also known ac a) None b) Hardware c) Software d) Firmware 40 / 90 40) How many characters ASCII 8-bit code can represent? a) 364 b) 128 c) 256 d) 500 41 / 90 41) The feature of Word use to change fonts color, size, style is called a) Fonts b) Styles c) Formatting d) Composing 42 / 90 42) Digital signal represents a sequence of values. a) Continuous. b) Discrete c) Bytes d) Unique 43 / 90 43) A font is described by its: a) All b) Presentation c) Typeface d) Height 44 / 90 44) Which transmission allows data to travel in one direction at a time? a) .Half Duplex transmission b) Duplex transmission c) Simplex transmission.. d) Full Duplex transmission 45 / 90 45) Which protocol works on the concepts of ring topology and a token? a) ARCnet b) Token Ring c) TCP/IP d) Ethernet 46 / 90 46) TCP/IP stands for a) Transfer Collected protocol/International protocol b) Transitional Covered Protocol/Internet Protocol c) Transfered Collector Protocol/Internet Protocol d) Transmission Control Protocol/Internet Protocol 47 / 90 47) Windows 2000 is a: a) Multiuser operating system b) Multitasking operating system c) Multiprocessing operating system d) All 48 / 90 48) Most applications of robotics are in which area? a) Cooking b) Farming c) Manufacturing d) Teaching 49 / 90 49) An additional or spare copy of data stored on storage media is call: a) Copying of Data b) Additional data c) Moving of Data d) Backup of data 50 / 90 50) A type of communication that sends that uses a clock to control timing of bits being sent is called: a) Isochronous transmission b) Synchronous transmission c) Asynchronous transmission d) Monochronous transmission 51 / 90 51) A feature commonly available with word processors is: a) All b) Automatic footnoting c) Spell checker d) Multicolumn tables 52 / 90 52) The amount of vertical space between the lines of text is determined by: a) Paragraph spacing b) Line spacing c) Word spacing d) Text spacing 53 / 90 53) The files can exist in folders but folders cannot exist in: a) Folders b) Subfolders c) Files d) Paths 54 / 90 54) scorn, .edu and .goy- are examples of: a) Top level domain b) Protocol c) Tag d) Email 55 / 90 55) Which LAN access method resolves the contention between two or more nodes by collision detection a) CSMA/CR b) CSMA/CS c) CSMA/CD d) CSMA/DR 56 / 90 56) ASCII code was.developed by: a) Simplex transmission b) Full-duplex c) ANSI.. d) Duplex 57 / 90 57) The output of the compiler is called: a) Object code b) Source code c) Linked code d) Library code 58 / 90 58) DARPA stands for: a) Defensive Association of Russian Policy with America b) Defensive Advanced Regional Political Agency c) Defense Advanced Research Projects Agency d) Dared Association of Republic Partition 59 / 90 59) which header file contains information about standard input/ output functions? a) stdio.h b) None c) Both a and b d) math.h 60 / 90 60) De Jure means a) By chance b) By fact c) By law d) By luck 61 / 90 61) What command is used to move selected text to another part of a document? a) a and b b) Drag-and-Drop c) Find-and-Replace d) Copy-and-Position 62 / 90 62) Times New Roman is an example of a: a) Sans serif font b) Serif font c) Boldface font d) Three-dimensional font 63 / 90 63) TB stand for : a) Tera base b) Tera bit c) Test byte d) Tera byte 64 / 90 64) Which of the following is NOT a type of protocol? a) CCIT b) ARCnet c) FTP d) Ethernet 65 / 90 65) The process of converting source code into object code,is knows as: a) Executing b) Linking c) Compiling d) Saving 66 / 90 66) Which of the following is harmful for computers? a) Antivirus b) Shareware c) Virus d) Freeware 67 / 90 67) An identifiable location in memory where data are kept is called: a) Location b) Cell c) none of these d) Address 68 / 90 68) The step that translates instruction into individual commands is called: a) Decode b) Fetch c) Get d) Execute 69 / 90 69) The term that define, the size and style of a typeface is : a) Character b) size c) Font d) Point 70 / 90 70) CPU consists of the following parts: a) Operating system and ALU b) Control Unit and ALU c) CU and Main Memory d) Operating system and application 71 / 90 71) Which type of network covers a small area? a) NAN b) WAN c) MAN d) LAN 72 / 90 72) The brain of the computer that executes the instructions is called: a) RAM b) System unit c) Motherboard d) CPU 73 / 90 73) How many devices can exist between a sending and receiving host? a) 1 b) 10 c) 2 d) Any. 74 / 90 74) The difference between ROM and RAM is: a) ROM is read only b) ROM is larger c) ROM is larger d) ROM is nonvolatile & ROM is read only 75 / 90 75) People on LAN can share: a) disk driver b) printer c) modem d) ALL 76 / 90 76) Which term is commonly used to refer to software or program errors: a) Crash b) Bug c) Short circuit d) Down 77 / 90 77) The direction of paper in printing is referred to as a) Page style b) Directionnel position c) Orientation d) Page position 78 / 90 78) An advantage of synchronous over asynchronous transmission is: a) Speed b) Error checking c) Simplicity d) Two-way 79 / 90 79) The central processing unit: a) All of the these b) Interprets and executes instructions c) Communicates with other parts of the computer system d) Does arithmetic and logic operations 80 / 90 80) Project 802 defines standard for which layers of the OSI model: a) Physical & data link layers b) c. Transport & network layers c) d. Network & data link layers d) Physical & session layers 81 / 90 81) The electron beams are swept across a coating of____to display output on CRT screen: a) Phosphor b) Aluminum c) Metal oxide d) Silicon 82 / 90 82) Which is a correct association between hardware device and action : a) CPU-data manipulation b) CD-ROM-output c) Keyboard-connectivity d) Scanner-processing 83 / 90 83) Which of the following coding schemes uses 4-bit code? a) EBCDIC b) BCD c) ASCII. d) Unicode 84 / 90 84) The term that refers to all input,output,and Secondary storage devices is : a) Network b) Attached c) Central d) Peripheral 85 / 90 85) Which one look like credit card that contains thin microprocessor and memory embedded in it: a) Plastic card b) Magnetic-strip card c) Smartcard d) Sound card 86 / 90 86) The name of screen clarity: a) Pixel b) Resolution c) Density d) Picture quality 87 / 90 87) Which component is used to connect different parts of computer together? a) Power Supply b) Bus Interconnection c) Main memory d) Control Unit 88 / 90 88) Which of the following is a type of plotter : a) Line b) Dot-Matrix c) Daisy d) Drum 89 / 90 89) A collection of raw facts and figure is called: a) Data b) Processing c) Information d) Procedure 90 / 90 90) Modem stands for: a) Mode/ Modeless b) Modeling/Demonstration c) Modulation/demodulationn d) Modification/demodification Your score is LinkedIn Facebook Twitter VKontakte Post Views: 651 Post navigation Aiou Workshop 5403| Test 6 Rawalpindi Board First year Computer Science all past papers MCQS.