18 Computer fundamental MCQS Online Test Sub Inspector

18 Basic Fundamental MCQS Online Test Sub Inspector Computer Portion

Quiz

 

1. Which type device is a piece of equipment that receives information from a CPU?
   1.   Input
   2.   Output
   3.   CPU
   4.   Memory
2. Computer Operators
   1.   Write computer programs for specific problems
   2.   Write computer programs for specific problems
   3.   Write computer programs for specific problems
   4.   All of the above
3. When was the IBM XT microcomputer released in the market?
   1.   1970
   2.   1971
   3.   1987
   4.   1986
4. Which of the following is not used for storage purposes with main frame computers?
   1.   removable disks
   2.   fixed disks
   3.   mass storage systems
   4.   diskettes
5. Which is true for the digital computer?
   1.   It is less accurate than the analog computer
   2.   It represents the decimal numbers through a string of binary digits
   3.   It is used primarily in scientific applications
   4.   Both A and C
6. Which of the following terminals' output most closely resembles the output produced by a plotter?
   1.   graphics terminal
   2.   POS terminal
   3.   hardcopy terminal
   4.   all the above
7. all the above
   1.   more compact and smaller
   2.   more economical
   3.   . a bit does not have to write after reading
   4.   non volatile
8. 
   Which of the following is used for serial access storage only?
   
   1.   RAM
   2.   Magnetic tape
   3.   Magnetic disk
   4.   Core memory
9. A memory space used for the temporary storage of data is
   1.   PROM
   2.   SAM
   3.   Scratchpad storage
   4.   Buffer
10. What is the name of the logic circuit which can add two binary digits
    1.   Full adder
    2.   Full adder
    3.   Buffer
    4.   Register
11. A small film-plate which is used for microfilming the output from a microcomputer screen is called
    1.   microfilm
    2.   microfiche
    3.   film card
    4.   COM
12. The ALU and control unit of most of the microcomputers are combined and manufactured on a single silicon chip. What is it called?
    1.   Monochip
    2.   Microprocessor
    3.   ALU
    4.   Control Unit
13. Continuous line drawing are produced using
    1.   Chain printers
    2.   Daisy wheel printers
    3.   Plotters
    4.   Thermal devices
14. Which of the following registers is loaded with the contents of the memory location pointed by the PC?
    1.   Memory Address Register
    2.   Memory Data Register
    3.   Instruction Register
    4.   Program Counter
15. 
    Storage on PC allows you to store files until something erases it, but memory loses its contents whenever its _____ is lost
    
    1.   static
    2.   disk space
    3.   power
    4.   both A and B
16. One byte can be used to encode any integer between 'O' and -inclusive
    1.   16
    2.   256
    3.   128
    4.   255
17. Why is the width of the data bus so important to the processing speed of a computer?
    1.   The narrower it is, the greater the computer's processing speed
    2.   The wider it is, the more data that can fit into main memory
    3.   The wider it is, the greater the computer's processing speed
    4.   The wider it is, the slower the computer's processing speed
18. How many types of storage loops exist in magnetic bubble memory?
    1.   8
    2.   4
    3.   16
    4.   2
19. The function of CPU is
    1.   to provide a hard copy
    2.   to read, interpret and process the information and instruction
    3.   to communicate with the operator
    4.   to provide external storage of text
20. The bubbles in a bubble memory pack are created with the help of?
    1.   Laser beam
    2.   Magnetic field
    3.   Electric field
    4.   X-ray
21. The central processor of a modern digital computer consists of
    1.   control unit
    2.   primary memory
    3.   control unit and primary memory
    4.   All of the above
22. Fifth generation computers are likely to exhibit
    1.   artificial intelligence
    2.   heuristic behaviour
    3.   advanced parallel processing
    4.   All of the above
23. A computer system consisting of its processor, memory and I/O devices accepts data, processes it and produces the output results. Can you tell in which component is the raw data fed?
    1.   Mass Memory
    2.   Main memory
    3.   Logic unit
    4.   Arithmetic unit
24. When did arch rivals IBM and Apple Computers Inc. decide to join hands?
    1.   1978
    2.   1984
    3.   1990
    4.   1991
25. The transistorized computer circuits were introduced in the
    1.   First generation
    2.   Second generation
    3.   Third generation
    4.   Fourth generation
26. The memory sizes in mainframe computers and advanced technology micro computers are expressed as
    1.   Bytes
    2.   Kilo-bytes
    3.   Bits
    4.   Megabytes
27. 
    A memory bus is mainly used for communication between
    
    1.   processor and memory
    2.   processor and I/O devices
    3.   I/O devices and memory
    4.   input device and output device
28. An AND gate
    1.   implements logic addition
    2.   is equivalent to a series switching circuit
    3.   . is an any or all gate
    4.   is equivalent to a parallel switching circuit
29. The daily processing of corrections to customer accounts best exemplifies the processing mode of:
    1.   Batch processing
    2.   Real-time processing
    3.   Time-sharing
    4.   Offline processing
30. Which of the following devices can be used to directly input printed text
    1.   OCR
    2.   OMR
    3.   MICR
    4.   All of the above