The function call ____ requests enough memory to store 10 characters.
A. realloc(10,sizeof(char))
B. calloc(sizeof(char),10)
C. malloc(sizeof(char))
D. malloc(10 * sizeof(char))
Answer: D
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If class A is derived from class B, then B is a _______ of A.
Fill in the blank(s) with the appropriate word(s).
What menu is used to align controls on a form?
(A) View (B) Window (C) Build (D) Format
Answer the following statements true (T) or false (F)
1. The computer is a tool used by so many professionals that it cannot be easily categorized. 2. Without programmers, the users of computers would have no software, and, without software, computers would not be able to do anything. 3. The contents of a variable cannot be changed while the program is running. 4. Java source files end with the .class extension. 5. When an object's internal data is hidden from outside code and access to that data is retricted to the object's methods, the data is protected from accidental corruption.
The n?bit two’s complement integer N is written an?1, an?2, . . . a1, a0. Prove that (in two's complement notation) the representation of a signed binary number in n + 1 bits may be derived from its representation in n bits by repeating the leftmost bit. For example, if n = ?12 = 10100 in five bits, n = ?12 = 110100 in six bits.
What will be an ideal response?