Microprocessors - Section 1 (1)

Directions to Solve

Microprocessors - Section 1

Consider the following program in PascalX = 2.57 X = (X + 0.06) * 10 I = TRUNC (X) X = I X = X / 10.0The final value of X would be

A.	2
B.	2.6
C.	2.63
D.	26.3

Answer: Option B

Explanation:

(2.57 + 0.06) 10 = 26.3 → 46-290

Which of the following is not a valid real constant in C

A.	426
B.	321.0
C.	-621.231
D.	+201.2314

Answer: Option A

Explanation:

Real constant must have a decimal point.

Assume that x = 5 and y = 2. Then in Java operation x + = y, the result is

A.	x = 7
B.	x = 2
C.	x = 3
D.	x = 2

Answer: Option A

Explanation:

The operator + = means add and assign.

Which of the following is not a valid integer constant in C (for 16 bit)?

A.	321
B.	-162
C.	-65321
D.	+1

Answer: Option C

Explanation:

The range is from - 32768 to + 32767.

Let JCOKE = 98 and LPEPSI = 42 Consider the statementIF (JCOKE - 3 * LPEPSI) 5, 6, 7 5 JCOKE = JCOKE + 5 6 JCOKE = JCOKE + 8 7 JCOKE = JCOKE + 11The value of JCOKE after the execution of above statement will be

A.	103
B.	106
C.	109
D.	none of the above

Answer: Option A

Explanation:

Since (J COKE - 3 x L PEPSI) is negative, statement 5 is executed and the result is 98 + 5 = 103.

Which of the following is not an integer constant?

A.	0
B.	-8
C.	+1074
D.	-8.1

Answer: Option D

Explanation:

Integer constant should not have decimal point.

Consider the following C program int ram

float alpha, gamma ram = 6400 alpha = 0.562 gamma = alpha ^* ram + 1

Now consider the following statements about this program

ram is an integer variable
alpha, gamma are real variables
*, + are arithmetic operators
0.562 may be an integer constant or real constant

Which of the above are correct?

A.	All
B.	1, 2, 3 only
C.	2, 3, 4 only
D.	1, 2, 4 only

Answer: Option B

Explanation:

0.562 is not an integer constant.

Read the following statements about files in Pascal

A file is a data structure which consists of a sequence of components of the same type.
The number of components in a file is variable.
The components in a file can be accessed only sequentially starting from the beginning of the file.

Which of the above are correct?

A.	All
B.	1 and 2 only
C.	2 and 3 only
D.	1 and 3 only

Answer: Option A

Explanation:

All statements are true.

Microprocessors - Section 1 (1)

Microprocessors - Section 1

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