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Thursday, May 8, 2014

Information of Computer Science and Technology......................
1.Which of the following printers are you sure will not to use if your objective is to print on multi carbon forms?
a. Daisy wheel
b. Dot matrix
c. Laser -Ans
d. Thimble
2.Which of the following printing devices an output composed of a series of data?
a. Wire matrix printer
b. Band printer
c. Wang image printer
d. Both a and c -Ans
 3.The personal computer industry was started by
a. IBM -Ans
b. Apple
c. Compaq
d. HCL

4.In the IBM PC-At, what do the words AT stand for
a. Additional Terminals
b. Advance technology -Ans
c. Applied technology
d. Advanced terminology
 5.Magnetic tape can serve as
a. Secondary storage media
b. Output media
c. Input media
d. All of the above -Ans
 6.If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
a. 216
b. 65,536 -Ans
c. 64K
d. Any of the above

7.The two major types of computer chips are
a. External memory chip
b. Primary memory chip
c. Microprocessor chip
d. Both b and c -Ans
  8.As compared to the secondary memory, the primary memory of a computer is
a. Large
b. Cheap
c. Fast -Ans
d. Slow
9.Which of the following is a way to access secondary memory?
a. Random access memory -Ans
b. Action method
c. Transfer method
d. Density method
 10.Which was the most popular first generation computer?
a. IBM 1650 -Ans
b. IBM 360
c. IBM 1130
d. IBM 2700
  11.What is the responsibility of the logical unit in the CPU of a computer?
a. To produce result
b. To compare numbers -Ans
c. To control flow of information
d. To do math’s works
12.The secondary storage devices can only store data but they cannot perform
a. Arithmetic Operation
b. Logic operation
c. Fetch operations
d. Either of the above -Ans
 13.Which of the printers used in conjunction with computers uses dry ink power?
a. Daisy wheel printer
b. Line printer
c. Laser printer -Ans
d. Thermal printer
 14.Which of the following produces the best quality graphics reproduction?
a. Laser printer
b. Ink jet printer
c. Plotter -Ans
d. Dot matrix printer
15.Which of the following memories allows simultaneous read and write operations?
a. ROM
b. RAM -Ans
c. EPROM
d. None of above
 16.Which of the following memories has the shortest access times?
a. Cache memory -Ans
b. Magnetic bubble memory
c. Magnetic core memory
d. RAM
 17.A 32 bit microprocessor has the word length equal to
a. 2 byte
b. 32 byte
c. 4 byte -Ans
d. 8 byte

 18.An error in computer data is called
a. Chip
b. Bug -Ans
c. CPU
d. Storage device
 19.A set of information that defines the status of resources allocated to a process is
a. Process control
b. ALU
c. Register Unit
d. Process description -Ans
 20.Any method for controlling access to or use of memory is known
a. Memory map
b. Memory protection -Ans
c. Memory management
d. Memory instruction

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