Essay About Following Statements And Physical Part Of Computer

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CENTER FOR PROFESSIONAL EXCELLENCE NOTE: Select the most appropriate answer from the options available for each question.There will be no negative marking for incorrect replies.Each question of one mark. TEST 1 (SECTION A AND SECTION B)The devices which are use to enter data in to computer called: Input devices Receiving devicesOutput devicesPortable devices The devices which are used to getting information from computer called: Input devices Receiving devicesOutput devicesPortable devices The physical part of computer: Physical unit  Hardware Software Monitor The large computer: Super computer Micro computer Laptop computer Business computer Hand held computer: Super computer Mainframe computer Laptop computer Micro computer National defence and aerospace use: Super computer Mainframe computer Laptop computer Micro computer   Less powerful than mainframe computers although not portable like smaller models below: Super computers Mainframe computers Mini-computers Micro computers Similar concept to PCs but much smaller and portable: Supercomputer Desk-top personal computers (PCs)Handheld computersPortable laptops and notebooks computers _____________ are used to route messages from terminals and other equipment in the network: Network servers PC servers Protocol servers Internet serversCPU stands for: Control process utility Central processing unit Control process unit Center provider unit ALU stands for: Arithmetic logic unitAlgorithm logic unitAutomatic local unitAuto logical unit The CPU comprises_____ basic components: Four SixFiveSeven RAM stand for: Random accumulator Random access management Random access memoryRedo access memoryROM stand for: Random Only memoryRead only memoryRedo only memoryRead only management   Buses are the information highway of the CPU ALUCUACCUMULATOR __________used to store the data: RegistersAccumulatorStack pointerALU The control unit is responsible for directing the flow of: DataAddress Instructions Instructions and data Optical mark reading  OMR omrOPMROMAR Mice and trackball devices are Storage Output portable Hand-Operated Devices Many computers can now accept voice input via a Head phones  Microphone Recorders    Cameras Printing is a device:RecordingDebugging Output Storage  Type of Monitor:ALTPTPCTRCRT  Printers are devices that print output  Text and AudioAudio and videoText and graphics   Text and videoFlash Memory:USBRAMMagnetic disk CD/DVDOS stands for:Optimized systemOrdinary system Operating system Operating sample   PART 2Which of the following statements about operating system is correct?(a) It controls the operation of all software including application software.(b) It provides systems security.(c) It provides the graphical user interface between the user and the computer.(d) All of the above.2. The main purpose of the secondary storage device is to:(a) increase the speed of computer (b) take backup(c) share the data on networking (d) store data3. If you want every student to input his roll number and scan his finger for attendance, youneed to have a combination of:(a) Keypad, Mouse, OCR Scanner and Monitor(b) Touch Screen and Biometric Scanner(c) Touch Screen and Keypad(d) Mouse, Monitor and Biometric Scanner4. Which of the following DOS commands will display the IP address of your computer?(a) comp_ip (b) ip_config (c) ipconfig (d) configip5. In MS Windows, which of the following utility programs provides most appropriate way ofdeleting unnecessary files and freeing up space on the hard disk?(a) Disk defragmenter (b) Task manager (c) Disk cleanup (d) Check disk6. Which of the following syntaxes is correct for using VLOOKUP in MS Excel?(a) VLOOKUP(table_array, col_index_num, [range_lookup])(b) VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])(c) VLOOKUP(lookup_value, table_array, row_index_num, [range_lookup])(d) VLOOKUP(row_value, table_array, col_index_num, [range_lookup])