Computer Science Semester 1 Exam 1
Questions and Correct Detailed Answers
(complete solution)
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 - ANS -d
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 - ANS -b
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. - ANS -b
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
d. it uses 2 bytes to store a character and is used by Java. - ANS -a
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. - ANS -d
How many BITs are in a byte?
a. 1
b. 2
c. 4
d. 8
e. 16 - ANS -d
What number system does the computer uses to process information?
a. binary
b. octal
c. decimal
d. hexadecimal - ANS -c
Which of the following is/are characteristics of early computers?
a. very large
b. programmed by people switching wires
c. used vacuum-tubes
Questions and Correct Detailed Answers
(complete solution)
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 - ANS -d
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 - ANS -b
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. - ANS -b
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
d. it uses 2 bytes to store a character and is used by Java. - ANS -a
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. - ANS -d
How many BITs are in a byte?
a. 1
b. 2
c. 4
d. 8
e. 16 - ANS -d
What number system does the computer uses to process information?
a. binary
b. octal
c. decimal
d. hexadecimal - ANS -c
Which of the following is/are characteristics of early computers?
a. very large
b. programmed by people switching wires
c. used vacuum-tubes
