electronics-and-communication-engineering-microprocessors Related Question Answers

101. When two ALU 1C 74181 are cascaded





102. Consider the following statements about expressing real constants in exponential form in CThe mantissa and exponent are separated either by e or E.The mantissa and exponent may have positive or negative sign.Default sign of mantissa is positive.Default sign of exponent is negative. Which of the above statements are wrong?





103. If F = 95.0 what will be the result of following FORTRAN 77 program?

REAL F , C
READ , F
C = (5. / 9.) (F - 32.)





104. Consider the following library functions
  1. EXP (i.e., ex)
  2. ARCTAN (i.e. tan-1 x)
  3. SQRT (i.e., x)
  4. AES (i.e. |x|)

Which of the above are allowed in Pascal?





105. Consider the following program in Basic 10 READ X, Y, Z
15 DATA 20, 30, 10
20 S = X + Y + Z
30 A = S/3
35 PRINT S, A, X, Y, Z
40 END The output will be





106. Let the initial contents of ACC and CY in 8085 be
  1. CY = 1
  2. ACC = 10000001
After the instruction RAL is executed twice the contents of CY and ACC respectively will be





107. Assuming that k is an integer what would the result of following expression in C k = 2 3 / 5 + 4 / 4 + 8 - 2 - 4 / 8





108. Which of the following is a valid real constant?





109. Consider the following program in C

int k
float b ;
k = 3
b = 10.1
k = k / b The final result would be k =





110. The decimal equivalent of binary 1101.11 is





111. Zip floppy has a capacity of





112. Which of the following is not a valid character constant in C?



113. Consider the following program in Basic
5 READ R
10 D = 2 R
20 A = 3.1416 D D / 4
30 PRINT A
Assuming that R = 3.0, the output A =





114. Consider the following statements about Java variables Java variable must start with a letter or underscore or dollor sign.Java variable can not start with a digit.After the first character the variable can have any combination of letters or numbers.Capitalization of letters must be consistent. Which of the above are correct?





115. A microprocessor is generally





116. Consider the following program in C

int k;
float a, b, c;
k = a b c / 100 + 2.5 / 2 - 0.3 9 if a - 5.0, b = 2.0 and c = 3.0 the final result k =





117. A computer program is used to read N and print the sum 12 + 22 + 32 +.....+ N2. If N = 10, the print out will show the number





118. Which of the following arithmetic operations requires only one operand in FORTRAN 77?





119. Which of the following array names is invalid in Fortran 77?





120. A nibble corresponds to





121. Consider the following statements An assembler is a program having assembly language program as input and machine language program as output.A macro assembler is an assembler with additional macro facilities.A cross assembler for a μP X is an assembler which executes on source microcomputer with a different CPU than X bit generates code for X.Assemblers generally do not provide macro facilities. Of the above statement





122. A computer window has a bar at its top to bear the name of window. This bar is called





123. Read the following statements about files in Pascal A file can grow or shrink dynamically.A file which consists of only characters is called text file.Text files may be read and written using standard Pascal READ and WRITE procedures.Every file must have a beginning but may or may not have an end. Which of the above are correct?





124. If word length is 16 bits the decimal equivalent of largest number which can be stored is





125. For the floating point numbers 1.81 x 10-29 and 0.0152 x 1018 the normalised forms are





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