Computer Science Semester 1 Exam 1 Updated Actual Questions And Correct Answers

COMPUTER SCIENCE SEMESTER 1 EXAM 1 UPDATED
ACTUAL QUESTIONS AND CORRECT ANSWERS
Question 1.
when comparing human capabilities with computer capabilities, which statement is not true?
a. computers are faster
b. computers are more accurate.
c. computers have better memory
d. computers are more intelligent

ANSWER
d



Question 2.
many so-called computer errors are cause by ________
a. the operating system
b. floppy data entry
c. your computer science teacher
d. the computer itself

ANSWER
b



Question 3.
which of the following describes the binary system used by a computer?
a. It uses short and long signals, representing dots and
dashes
b. it uses 1s and 0s, representing electrical current that
is on or off
c. it uses 1 byte to store a character and is used by
programming languages
d. it uses 2 bytes to store a character and is used by
Java.

ANSWER
b




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, Question 4.
Which of the following describes ASCII?
a. It uses short and long signals, representing dots and
dashes
b. it uses 1s and 0s, representing electrical current that
is on or off
c. it uses 1 byte to store a character and is used by
programming languages Java.

ANSWER
a



Question 5.
Which of the following describe Unicode?
a. It uses short and long signals, representing dots and
dashes
b. it uses 1s and 0s, representing electrical current that
is on or off
c. it uses 1 byte to store a character and is used by
programming languages
d. it uses 2 bytes to store a character and is used by
Java.

ANSWER
d



Question 6.
How many BITs are in a byte?
a. 1
b. 2
c. 4
d. 8
e. 16

ANSWER
d



Question 7.
What number system does the computer uses to process information?
a. binary
b. octal
c. decimal
d. hexadecimal

ANSWER
c




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