Spread the love0% 0 Quiz no 4 1 / 100 1) The circuit board on which the processor and other chips are placed is called: a) Motherboard b) Master circuit c) Connector circuit d) Big board 2 / 100 2) What is another term for unguided media? a) Infrared b) Radiated c) Wire. d) Unbounded 3 / 100 3) The four numbers in an IP address are called:: a) Octets b) Codec c) Octal d) Bytes 4 / 100 4) Which of the following is a search engine? a) Microsoft b) Google c) Internet explorer d) MIME 5 / 100 5) A 32-bit bus is _________ than a 16-bit bus. a) Longer b) Faster c) a and b d) Wider 6 / 100 6) The speed of laser printer is measured in : a) Page per min b) Lines per min c) Character per sec d) Words per min 7 / 100 7) The time taken by a data signal to reach to moon and then back to earth was about: a) 2 ms b) 2 hours c) 2 minutes d) 2-second 8 / 100 8) A graphics tablet is commonly activated by. a) Trackball b) Finger c) Stylus d) Joystick 9 / 100 9) BCD code is a_ a) 4. b) .8. c) 15 d) 32 10 / 100 10) The process of converting analog to digital signal is known as: a) Modulation b) Demodulation c) Merging d) Data sequencing 11 / 100 11) The idea of storing a program in memory was given by: a) John von Neumann and his team b) Dr. Abdul Salam and his team c) Dr. Qadir and his team d) none of these 12 / 100 12) How may types of graphic cards are available in market? a) 4 b) 3 c) 2 d) 5 13 / 100 13) 1 MB is approximately : a) 1024bytes b) 1024KB c) 1KB d) 100KB 14 / 100 14) Which of the following coding schemes uses 4-bit code? a) EBCDIC b) BCD c) Unicode d) ASCII. 15 / 100 15) The computer that store_____message until it is retrieved by the user is called: a) Web host b) Mail client c) Email server d) Web server 16 / 100 16) Which of the following is not an output device : a) Speaker b) Scanner c) Printer d) Monitor 17 / 100 17) A tiny handle in the middle of the keyboard is called: a) . Pointing stick b) Mouse c) . Trackball d) Graphic table 18 / 100 18) Was a wide area network connecting a small number of users. a) ISP b) ARPA c) ARPANET d) Internet 19 / 100 19) ROM stands for: a) Random only memory b) Read only Memory c) Readily available memory d) Recursive only memory 20 / 100 20) EEPROM chips: a) Cannot be reprogrammed b) Can be reprogrammed electronically c) none of these d) Can be reprogrammed by ultraviolet light 21 / 100 21) All of the following are guided communications media EXCEPT: a) Coaxial cable b) Satellite c) Fiber-optic cable d) Twisted pair 22 / 100 22) Memory space in a computer is used to: a) Hold data and information temporarily b) All of the these c) Hold application programs d) Provide additional space as needed for programs or data 23 / 100 23) Which of the following is mostly used on different products in the market? a) UPC b) OMR c) MICR d) OCR 24 / 100 24) Which of the following is valid Website Address? a) %VW . hello b) it4.com c) www.it.com d) ww.hello.com 25 / 100 25) DNS stands for: a) Dual Number System b) Decimal Numeric System c) Decimal Number System d) Domain Name System 26 / 100 26) Data is transmitted block by block in: . a) Isochronous transmission b) Synchronous transmission c) Analog transmission d) Asynchronous transmission 27 / 100 27) Computer cannot boot if it does not have: a) Linker b) Operating System c) Interpreter d) Compiler 28 / 100 28) A set collection of a large number of computers all over the world connected to one another is a) Interlink b) Internet 29 / 100 29) Which memory is used to speed up the computer processing? a) RAM b) ROM c) BIOS d) Cache 30 / 100 30) Which type of modem can be added to the system unit through expansion slot? a) Internal b) Wireless c) All d) External 31 / 100 31) A device that connect multiple network using similar or different protocol is: a) LAN b) Ethernet c) Router d) Modem 32 / 100 32) A major category of software is : a) System and development b) Application and system c) Application and design d) System and design 33 / 100 33) Which of the following code can represent up to 65,536 symbols? a) Unicode b) EBCDIC c) BCD d) ASCII 34 / 100 34) The difference between ROM and RAM is: a) ROM is larger b) ROM is read only c) ROM is larger d) ROM is nonvolatile & ROM is read only 35 / 100 35) Two dissimilar networks can be connected by a: a) Bus b) a and b c) Gateway d) Bridge 36 / 100 36) News server use_____ protocol to transfer articles among them. a) MIME b) ARCnet c) NITP d) FTP 37 / 100 37) Which of the following is NOT a type of RAM? a) Dynamic RAM b) Quick RAM c) Quick RAM & Stable RAM d) Stable RAM 38 / 100 38) The binary number 0 and 1 is represented by a : a) Character b) Word c) Byte d) Bit 39 / 100 39) Which modem is used to transmit data signals through air instead of cable? a) Internal b) External c) All d) Wireless 40 / 100 40) Project 802 defines standard for which layers of the OSI model: a) c. Transport & network layers b) d. Network & data link layers c) Physical & session layers d) Physical & data link layers 41 / 100 41) Two types of display devices are____displays. a) Stylus and puck b) Impact and non-impact c) Flat-panel and CRT d) Inkjet and Laser 42 / 100 42) Hardware is best described as : a) A program b) Printed copy file c) Logical part d) Physical parts 43 / 100 43) What layer of OSI models performs data compression? a) Transport layer b) Physical layer c) Presentation layer d) Session layer 44 / 100 44) The standard protocol for the Internet is: a) TCP/IP b) IP address c) IP protocol d) TCP 45 / 100 45) The output can be: a) All b) Printed out c) Displayed on screen d) Played through speakers 46 / 100 46) The number of times a wave repeats during a specific time interval is called a) Frequency b) Phase c) Amplitude d) Frequency 47 / 100 47) Which of the the following is non-impact printer : a) Dot-Matrix printer b) Line printer c) Daisy wheel printer d) Inkjet printer 48 / 100 48) A computer network must contain at least number of computers: a) Four b) Two c) One d) Three 49 / 100 49) Transmission that is used without timing signal is called: a) Synchronous b) Asynchronous c) Parallel d) Isochronous 50 / 100 50) ISDN stands for: a) Integrated Services Digital Network b) Improved Speed Down Network c) Improved Speed Digital Network d) Internet Service Digital Network 51 / 100 51) Satellite transmission stations that can both send and receive messages are called: a) Mars stations b) Earth stations c) Moon stations d) Jupiter stations 52 / 100 52) Which technology recognizes printed characters and allows user to edit as text: a) Bar-code recognition (BRC) b) Magnetic-ink character recognition c) Optical-mark recognition (OMR) d) Optical-character recognition (OCR) 53 / 100 53) Testing all program components together is called : a) System testing b) Volume testing c) Composite testing d) Group testing 54 / 100 54) Frequency is measured in: a) Hertz b) Seconds c) Bps. d) Amps 55 / 100 55) Which register has special role in division and multiplication? a) DX b) CX c) AX d) BX 56 / 100 56) An online area where users write discussions about a particular subject is called: a) FTP b) Newsgroup c) Protocol d) Email 57 / 100 57) signal is a continuous electrical signal in the form of wave. a) Analog b) Red c) Digital d) Green 58 / 100 58) Which of the following is NOT a type of protocol? a) Ethernet b) ARCnet c) FTP d) CCIT 59 / 100 59) Which of the following is not a communication media? a) Modem b) Microwave c) Fiber optic d) Twisted Pair 60 / 100 60) OMR stand for : a) Optical mark radiation b) Optical map reader c) Optical mark reader d) Optimum mark reader 61 / 100 61) Which layer is responsible to establish, maintain and terminate user connection a) Transport b) Session c) Presentation d) Application 62 / 100 62) The keyboard format that is most commonly used is the : a) QWERTY b) SPLITER c) TWRITER d) DVORAK 63 / 100 63) EAX, EBX, ECX and EDX are: a) Memory buffer register b) General-purpose registers c) Address registers d) Special purpose register 64 / 100 64) Which of the following tasks is not part of the systems analyst role : a) Coordination b) Planning c) Communication d) Programming 65 / 100 65) A disadvantage of the laser printer is that : a) It is very slow b) It is quieter than impact printer c) Its output is of a lower quality d) None 66 / 100 66) DW stand for : a) Double word b) Double width c) Double wide d) Digital word 67 / 100 67) Which protocol works on the concepts of ring topology and a token? a) Token Ring b) Ethernet c) ARCnet d) TCP/IP 68 / 100 68) Which communications medium requires line-of-sight? a) Microwavec. b) Twisted pair c) Coaxial d) Fiber optic. 69 / 100 69) An advantage of synchronous over asynchronous transmission is: a) Simplicity b) Speed c) Two-way d) Error checking 70 / 100 70) CPU provides enabling signal through: a) Data Bus b) Address Bus c) Main Bus d) Control Bus 71 / 100 71) OSI model was created by: a) NESPAK b) ISO c) ANSI d) IBM 72 / 100 72) The diameter of fiber optical cable is: a) 62.5 microns b) 62.5 m c) 62.5 mm d) 62.5 cm 73 / 100 73) The Internet differentiate between one computer from another using: a) Manufacturer b) Architecture c) All d) IP address 74 / 100 74) CRT stand for : a) Chemical Rays Tube b) Coated Rays Tube c) Gray Rays Tube d) Cathode Rays Tube 75 / 100 75) DFD stand for : a) Data Flow Design b) Data Definition Diagram c) Data Flow Diagram d) Digital Flow Diagram 76 / 100 76) Monitors differ in: a) All b) Size c) Resolution d) Standard 77 / 100 77) The most familiar input device for computer is : a) Graphics tablet b) Keyboard c) Scanner d) Monitor 78 / 100 78) The memory cells are logically organized into group of: a) 24 bits b) 5bits c) 8 bits d) 12 bits 79 / 100 79) Start/stop bits are not required in this type of transmission. a) Monochronous b) .Asynchronous c) Synchronous d) .Isochronous 80 / 100 80) The modern revolution in information technology can be termed as : a) Computer revolution b) All c) Communications revolution d) Information revolution 81 / 100 81) Which of the following is a signal? a) DMA b) Interrupt c) Memory d) 1/0 82 / 100 82) What is the main purpose of secondary storage devices? a) Permanent storage of data b) Output of information c) Temporary storage of data d) Calculating data 83 / 100 83) The dots that compose the image of a digital photograph are called: a) Pixels b) Dot matrix c) Digital points d) Resolution 84 / 100 84) What is the difference between hardware and software? a) Hardware is metal but software is plastic b) Hardware is permanent but software is temporary c) Hardware is tangible but software is intangible d) Hardware is reliable but software is unreliable 85 / 100 85) In WAN, the communication software that allows a personal computer to appear as terminal is call a) Teleconferencing software b) Bulletin board system c) Terminal emulation software d) Electronic mail software 86 / 100 86) Sending and receiving messages electronically is known as a) E-mail b) Browsing c) E-commerce d) Online shopping 87 / 100 87) The number of bits a computer can process at one time is sometimes called : a) Word size b) Bit strength c) Bit size d) Crunch capacity 88 / 100 88) Which key removes the character to the left of the cursor : a) Esc b) Alt c) Delete d) Backspace 89 / 100 89) Computer transmit data in the form of codes. a) None b) Binary c) Analog d) Decimal 90 / 100 90) Bps is short for: a) Binary packets a second b) Baud per second c) Bytes per second d) Bits per second 91 / 100 91) The frame rate is a factor in which of the following outputs? a) Text b) Video c) Audio d) Graphics 92 / 100 92) Which of the following is a protocol a) .com b) HTML c) URl d) http 93 / 100 93) OSI reference model has: a) 9 layers b) 7 layers c) 2 layers d) 5 layers 94 / 100 94) A LAN is a combination of: a) ALL b) Network card c) LAN software d) LAN cables 95 / 100 95) Which of the following can severally affect the quality of satellite transmission? a) Bad weather b) Moon c) Light rays d) Mountains 96 / 100 96) Which type of printer operates most like a photocopy machine : a) Dot-Matrix printer b) Inkjet printer c) Line printer d) Laser printer 97 / 100 97) The lowest resolution for color graphics display is: a) VGA b) CAD c) XGA d) VESA 98 / 100 98) BCD stands for: a) Byte coded decimal b) Bidirectional coded decimal c) Base coded decimal d) Binary coded decimal 99 / 100 99) A bus with 64 lines can carry ______of data: a) 64-bits b) 64-bytes c) 32-bits d) 16-bits 100 / 100 100) The process of transferring data electronically from one place to another is caled a) Data Sequence b) Data processing c) Data communication d) NIC Your score is LinkedIn Facebook Twitter VKontakte Post Views: 418 Post navigation AIOU test 5/01/2023 National University of Modern Languages Sector H-9, Islamabad Job Opportunities