UPPSC LT Grade Computer subject exam paper 29 July 2018 (Answer key)

111. The number of columns in a state for sequential circuit with m flip-flops n inputs is
A. m + n
B. m + 2n
C. 2m + n
D. 2m + 2n
Show AnswerAnswer -D

112. Which of the following does not have 8 data lines?
A. 8085
B. 8086
C. 8088
D. Z80
Show AnswerAnswer -B

113. The Boolean expression x + x’y equals
A. X + Y
B. X + XY
C. Y + YX
D. X’Y + Y’X
Show AnswerAnswer -A

114. A computer  has 32 MB memory. How many bits are needed to access any single bytes in the memory?
A. 25
B. 16
C. 24
D. 20
Show AnswerAnswer -A

115. A computer has 128 MB memory. Each word in this computer is of 8 bytes. How many bits are required to address any single word in the memory?
A. 27
B. 24

C. 23
D. 25
Show AnswerAnswer -B

116. to achieve parallelism, one needs a minimum of
A. 2 processors
B. 3 processors
C. 4 processors
D. None of the above
Show AnswerAnswer -D

117. Consider a disk pack with 16 surfaces, 128 tracks per surface and 256 sectors per track. 512 bytes of data are stored in a bit in serial manner in a sector. the capacity of the number of bits required to specify a particular sector in the disk are respectively.
A. 256 MB, 19 bits
B. 256 MB, 28 bits
C. 512 MB, 20 bits
D. 64 MB. 28 bits
Show AnswerAnswer -A

118. Which of the following in not true regarding registers?
A. Internal storage of CPU
B. Can hold either data or instruction
C. made up flip-flop
D. Cannot store intermediate results
Show AnswerAnswer -D

119. While implementing a stack on a register stack. the, stack pointer is
A. Incremented first during push operation
B. Decremented first during push operation
C. Incremented first during pop operation
D. Decremented first during pop operation
Show AnswerAnswer -A

120. Zero address instructions are implemented with the help of
A. Queue
B. Stack
C. register
D. None of the above
Show AnswerAnswer -B

121. Switching between a supervisor mode and a user a mode for a processor is usually done by a
A. Subroutine call
B. Branch instruction
C. Software interrupt
D. None of the above
Show AnswerAnswer -C

122. which of the following is used to read the control words sequentially from the control memory?
A. Microprogram address register
B. Microprogram counter
C. Controls memory address register

D. Program counter
Show AnswerAnswer -B

123. which of the following can be used  to tasks of a project, when the estimation of task time is fairly uncertain?
A. Decision table
B. Case tool
C. DFD
D. PERT
Show AnswerAnswer -D

124. Which technology emphasizes participative  development among system owners, users, designers and builders?
A. FAST
B. DAD
C. JAD
D. OOD
Show AnswerAnswer -C

125. The best suited hidden surface algorithm to deal with non-polygonal, non-planar surface patches is
A. Z-buffer algorithm
B. Ray tracing algorithm
C. painter’s algorithm
D. Scan line algorithm
Show AnswerAnswer -B

126. Raster images are commonly called
A. Pixmap
B. Bitmap
C. Both (a) and (b)
D. None of the above
Show AnswerAnswer -C

127. A scaling transformation changes the
A. Size of an object
B. Location of an object
C. Shape of an object
D. Both (a) and (b)
Show AnswerAnswer -A

128. One of the disadvantages of pass by reference is that the called function may inadvertently corrupt the caller’s data. this can be avoided by
A. passing pointers
B. Declaring the formal parameters constant
C. Declaring the actual parameters constant
D. All of the above
Show AnswerAnswer -B

129. Which of the following is not a primitive data type?
A. Boolean
B. Byte
C. String
D. Double

Show AnswerAnswer -C

130. The statements
String var1 [];
var1 = new String [3];
System.out.println(var1[1]);
print
A. An empty string
B. null
C. O
D. A garbage character
Show AnswerAnswer -B

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