19 Fundamental MCQS Online Test Sub Inspector Computer Portion

19 Fundamental MCQS Online Test Sub Inspector Computer Portion

Quiz

 

1. To locate a data item for storage is
   1.   Field
   2.   Feed
   3.   Database
   4.   Fetch
2. Which of the following memory is capable of operating at electronics speed?
   1.   Semiconductor memory
   2.   Magnetic disks
   3.   Magnetic drums
   4.   . Magnetic tapes
3. The main purpose of time sharing techniques used in computers is to make the best use of the
   1.   CPU
   2.   peripherals
   3.   seconday storage
   4.   floppy disks
4. Which of the following is not true of immediate processing?
   1.   It is often used in real-time applications
   2.   It can occur with either sequential of direct-access files
   3.   It can be used in an airline-reservation system
   4.   Transactions are processed shortly after a real-world event occurs
5. A temporary storage area, attached to the CPU, for I/O operations is a:
   1.   chip
   2.   buffer
   3.   register
   4.   core
6. Which part of the computer were is used for calculating and comparing?
   1.   Disk unit
   2.   Control unit
   3.   ALU
   4.   Modem
7. The person contributing the idea of the stored program was
   1.   John von Neumann
   2.   Charles Babbage
   3.   Howard Aiken
   4.   Basic Pascal
8. What was the total number of UNIVAC-I sold eventually and by which company?
   1.   30, British Tabulating Machine Co. (BTM)
   2.   40, International Business Machines (IBM)
   3.   48, Remington Rand
   4.   40, International Computer Ltd. (ICL)
9. A file containing relatively permanent data is
   1.   Random file
   2.   Transaction file
   3.   Master file
   4.   Sequential file
10. .
    Communication that involves computers, establishing a link through the telephone system is called
    
    1.   Teleprocessing
    2.   Microprocessing
    3.   Telecommunications
    4.   All of the above
11. Dot-matrix is a type of
    1.   Tape
    2.   Printer
    3.   Disk
    4.   Bus
12. Which kind of devices allows the user to add components and capabilities to a computer system?
    1.   System boards
    2.   Storage devices
    3.   Input devices
    4.   Expansion slots
13. Where does a computer add and compare data?
    1.   Hard disk
    2.   Floppy disk
    3.   CPU chip
    4.   Memory chip
14. Which of the following require large computer memory?
    1.   Imaging
    2.   Graphics
    3.   Voice
    4.   All of the above
15. Which of the following are used to quickly accept, store, and transfer data and instructions that are being used immediately by the CPU?
    1.   microprocessors
    2.   registers
    3.   ROM chips
    4.   data buses
16. Which disk interface standard includes support for up to eight peripheral devices?
    1.   ST50G/412
    2.   IDE
    3.   SCSI
    4.   ESDI
17. Who designed the first general purpose electronic digital computer "ENIAC" ?
    1.   Van-Neumann
    2.   Joseph M Juoquard
    3.   J. Presper Eckert and John W Mauchly
    4.   All of the above
18. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
    1.   Bus control
    2.   Interrupts
    3.   Bus arbitration
    4.   Status
19. The analog computer measures dimensions and its circuits use the differential and integral equations of continuous variables. The digital computer counts units and its circuits use
    1.   Logic gates
    2.   Discrete switches
    3.   Boolean algebra
    4.   Bayes' theorem
20. In synchronous transmission data from various users
    1.   Require header
    2.   Do not require header
    3.   Sometimes require header
    4.   All of the above
21. General purpose computers are those that can be adopted to countless uses simply by changing its
    1.   keyboard
    2.   printer
    3.   program
    4.   display screen
22. What is the name of the visible silver rectangle which separates the take-up portion of the magnetic tape from the data recording portion?
    1.   Load maker
    2.   Load marker
    3.   . Tape separator
    4.   Tape marker
23. A part located in the central processing unit that stores data & information is known as
    1.   Core memory
    2.   PROM
    3.   EPROM
    4.   ROM
24. A software package to perform calculations on data arranged in an array is
    1.   System software
    2.   Utility programs
    3.   Electronic spread sheet
    4.   Application programs
25. What was the name of the first stored program electronic computer which was built in 1949 at Cambridge University in England?
    1.   EDVAC
    2.   EDSAC
    3.   UNIVAC
    4.   MARK-I
26. A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as
    1.   Super computer
    2.   Mini computer
    3.   Micro computer
    4.   Micro computer
27. A computer program consists of
    1.   System flowchart
    2.   Program flowchart
    3.   Algorithms written in computer's language
    4.   Discrete logical steps.
28. An input device which can read characters directly from an ordinary piece of paper is
    1.   OCR
    2.   OMR
    3.   MSI
    4.   POS
29. Which of the following is not a part of the CPU
    1.   storage unit
    2.   arithmetic and logic unit
    3.   program unit
    4.   control unit
30. Which of the following chips can be reprogrammed with special electric pulses?
    1.   EPROM
    2.   B. PROM
    3.   ROM
    4.   EEPROM