CS 7643 QUIZ 1 CERTIFICATION EVALUATION 2026 SOLVED QUESTIONS

CS 7643 QUIZ 1 PREP SET 2026 TESTED
QUESTIONS WITH RATIONALE

◉ When the standard input buffer is empty and your program calls
fgetc, what is the resultant behavior of your program: Answer: Wait
for input


◉ Convert 0x9 to binary: Answer: 1001


◉ List two situations that cause the standard output buffer to be
displayed to the screen when running a C program? Answer:
program ends normally and request input from user


◉ What character is the last one entered in every user response in C,
C++ and Java when reading from standard input: Answer: \n


◉ Convert 0x5 to binary: Answer: 0101


◉ Convert to hexadecimal: 0000 1111 1110 1110 1101 1101 1010
1101 Answer: 0x0FEEDDAD


◉ Write the decimal value that represents all 1s for 64 bits as a
signed value Answer: -1

, ◉ Should you store the newline character as part of the string
formed by getaline? Answer: No


◉ Should you store the NULL character as part of the string formed
by getaline? Answer: Yes


◉ Assuming the following line of code in C executed, list one
situation where the string is not displayed to the user:
fprintf (stdout, "Hello World"); Answer: infinite loop


◉ stderr is used to display what two kinds of messages: Answer:
error and debug messages


◉ What is the length of the string "ABC"? Answer: 3


◉ What two commands must you enter at the UNIX command line
from the ~/../public/hw2 directory to begin working on hw2?
Answer: make directories
make install


◉ Convert 0xa to binary: Answer: 1010