Test Bank—Chapter One (Data Representation)
Multiple Choice Questions
1. Which of the following Boolean operations produces the output 1 for the fewest number of input
patterns?
A. AND B. OR C. XOR
ANSWER: A
2. Which of the following best describes the NOR operation?
A. An XOR followed by a NOT B. An OR followed by a NOT
C. A NOT followed by an OR C. An AND followed by a NOT
ANSWER: B
3. Which of the following bit patterns cannot be expressed in hexadecimal notation?
A. 11111111 B. 1001 C. 110011 D. 100000000001
ANSWER: C
4. Which of the following is the binary representation of 6 5/8?
A. 110.11 B. 10.011 C. 110.101 D. 100.101
ANSWER: C
5. Which of the following bit patterns represents the value 9 in two’s complement notation?
A. 00011010 B. 11111011 C. 00001001 D. 11111011
ANSWER: C
6. Which of the following bit patterns represents the value -9 in two’s complement notation?
A. 00011010 B. 111110111 C. 10001001 D. 11111011
ANSWER: B
7. What is the result of the following addition problem (using two’s complement notation)?
00001111
+ 10101010
A. 011000101 B. 10111001 C. 01010101 D. 10110101
ANSWER: B
8. What is the result of the following subtraction problem (using two’s complement notation)?
© 2018 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
SCHOLARVAULT
, 00001111
- # k l 10101010
A. #kl011000101 B. #kl10111001 C. #kl01010101 D.
10110101 #klANSWER: #klA
#kl
9. In #klwhich #klof #klthe #klfollowing #kladdition #klproblems #kl(using #kltwo’s #klcomplement #klnotation) #kldoes #klan
#kloverflow #klerror #kloccur?
A. 0011 B. # k l C. # k l D. # k l
# k l1100 1100
# k l # k l0100
+ #kl1010 + #kl0100 + #kl1100 + #kl0100
ANSWER: #klD
10. Which #klof #klthe #klfollowing #klrepresentations #klin #kltwo’s #klcomplement #klnotation #klrepresents #klthe #kllargest
#klvalue?
A. #kl00000010 B. #kl11110000 C. #kl00000001 D.
11111111 #klANSWER: #klA
#kl
11. Which #klof #klthe #klfollowing #klrepresentations #klin #kltwo’s #klcomplement #klnotation #klrepresents #klthe #klsmallest
#klvalue?
A. #kl00000010 B. #kl11110000 C. #kl00000001 D.
11111111 #klANSWER: #klD
#kl
12. Which #klof #klthe #klfollowing #klbit #klpatterns #kl(represented #klin #klhexadecimal #klnotation) #klrepresents #kla
#klnegative #klnumber #klin #kltwo’s #klcomplement #klnotation?
A. # kl 3F B. # kl 55 C. # kl A6 D.
7E #klANSWER: #klC
#kl
13. Which #klof #klthe #klfollowing #klbit #klpatterns #kl(represented #klin #klhexadecimal #klnotation) #klrepresents #kla
#klpositive #klnumber #klin #kltwo’s #klcomplement #klnotation?
A. # kl 9F B. # kl F7 C. # kl A8 D.
7E #klANSWER: #klD
#kl
14. What #klvalue #klis #klrepresented #klby #klthe #klbit #klpattern #kl01011100 #klwhen #klinterpreted #klusing #klfloating-
point #klformat #klin #klwhich #klthe #klmost #klsignificant #klbit #klis #klthe #klsign #klbit, #klthe #klnext #klthree #klbits
#klrepresent #klthe #klexponent #klfield #klin #klexcess #klnotation, #kland #klthe #kllast #klfour #klbits #klrepresent #klthe
#klmantissa?
A. # kl -1 #kl1/2 B. # kl 1 #kl1/2 C. #kl-3/8 D.
3/8 #klANSWER: #klB
#kl
15. Which #klof #klthe #klfollowing #klvalues #klcannot #klbe #klstored #klaccurately #klusing #kla #klfloating-point
#klformat #klin #klwhich #klthe #klmost #klsignificant #klbit #klis #klthe #klsign #klbit, #klthe #klnext #klthree #klbits #klrepresent
#klthe #klexponent #klfield #klin #klexcess #klnotation, #kland #klthe #kllast #klfour #klbits #klrepresent #klthe #klmantissa?
A. # kl 2 #kl1/2 B. # kl 3/16 C. # kl 7 D. # k l 6
© #kl2018 #klPearson #klEducation, #klInc., #klHoboken, #klNJ. # k l All
#klrights #klreserved.
SCHOLARVAULT
, 1/4 #klANSWER: #klD
#kl
© #kl2018 #klPearson #klEducation, #klInc., #klHoboken, #klNJ. # k l All
#klrights #klreserved.
SCHOLARVAULT
, 16. Which #klof #klthe #klfollowing #klbit-patterns #klrepresents #klthe #klsmallest #klvalue #klusing #klthe #klfloating-
point #klformat #klin #klwhich #klthe #klmost #klsignificant #klbit #klis #klthe #klsign #klbit, #klthe #klnext #klthree #klbits
#klrepresent #klthe #klexponent #klfield #klin #klexcess #klnotation, #kland #klthe #kllast #klfour #klbits #klrepresent #klthe
#klmantissa?
A. # kl 01001000 B. # kl 01011000 C. # kl 00101000 D.
#kl 01111000 #klANSWER: #klC
17. Which #klof #klthe #klfollowing #kldata #klstorage #klsystems #klprovides #klthe #klmost #klefficient #klrandom
#klaccess #klto #klindividual #kldata #klitems?
A. #klMain #klmemory B. #klMagnetic #kldisk C. #klCDs/DVDs D. #klFlash #kldrives
ANSWER: #klA
18. Which #klof #klthe #klfollowing #klstorage #klsystems #klis #klbest #klsuited #klfor #klstoring #kland #klretrieving
#kllong #klstrings #klof #kldata #klsuch #klas #klmusic #klthat #klare #klprocessed #klin #kla #klsequential #klorder?
A. #klMain #klmemory B. #klMagnetic #kldisk C. #klCDs/DVDs D. #klROM
chips #klANSWER: #klC
#kl
19. Which #klof #klthe #klfollowing #klmass #klstorage #klsystem #kldoes #klnot #klrequire #klphysical #klmotion?
A. #klMagnetic #kltape B. #klMagnetic #kldisk C. #klCDs/DVDs D. #klFlash
drives #klANSWER: #klD
#kl
20. Assuming #klthat #kleach #klof #klthe #klfollowing #klbit #klpatterns #kloriginally #klhad #kleven #klparity, #klwhich
#klone #klcontains #klan #klerror?
A. # kl 100110100 B. # kl 110000011 C. # kl 010011000 D.
#kl 100011001 #klANSWER: #klC
21. How #klmany #klerrors #klper #klpattern #klcould #klbe #klcorrected #klwhen #klusing #klan #klerror-correcting #klcode #klin
#klwhich #klany #kltwo #klcode #klpatterns #kldiffer #klby #kla #klHamming #kldistance #klof #kl8?
A. # kl 3 B. # kl 4 C. # kl 5 D.
#kl 6 #klANSWER: #klA
22. Which #klof #klthe #klfollowing #klis #kla #klpossible #klLZW #klcompression #klof #klthe #klmessage #kl“xyz #klxyz #klxyz”?
A. # kl 1234 B. # kl 1234545 C. # kl 232 D.
#kl 12 #klANSWER: #klB
23. Which #klof #klthe #klfollowing #klsystems #klis #klleast #klefficient #klwhen #klencoding #klnumeric #klvalues?
A. Two’s #klcomplement #klnotation B. #klExcess #klnotation
C. # k l ASCII D. #klFloating-point
notation #klANSWER: #klC
#kl
© #kl2018 #klPearson #klEducation, #klInc., #klHoboken, #klNJ. # k l All
#klrights #klreserved.
SCHOLARVAULT
Multiple Choice Questions
1. Which of the following Boolean operations produces the output 1 for the fewest number of input
patterns?
A. AND B. OR C. XOR
ANSWER: A
2. Which of the following best describes the NOR operation?
A. An XOR followed by a NOT B. An OR followed by a NOT
C. A NOT followed by an OR C. An AND followed by a NOT
ANSWER: B
3. Which of the following bit patterns cannot be expressed in hexadecimal notation?
A. 11111111 B. 1001 C. 110011 D. 100000000001
ANSWER: C
4. Which of the following is the binary representation of 6 5/8?
A. 110.11 B. 10.011 C. 110.101 D. 100.101
ANSWER: C
5. Which of the following bit patterns represents the value 9 in two’s complement notation?
A. 00011010 B. 11111011 C. 00001001 D. 11111011
ANSWER: C
6. Which of the following bit patterns represents the value -9 in two’s complement notation?
A. 00011010 B. 111110111 C. 10001001 D. 11111011
ANSWER: B
7. What is the result of the following addition problem (using two’s complement notation)?
00001111
+ 10101010
A. 011000101 B. 10111001 C. 01010101 D. 10110101
ANSWER: B
8. What is the result of the following subtraction problem (using two’s complement notation)?
© 2018 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
SCHOLARVAULT
, 00001111
- # k l 10101010
A. #kl011000101 B. #kl10111001 C. #kl01010101 D.
10110101 #klANSWER: #klA
#kl
9. In #klwhich #klof #klthe #klfollowing #kladdition #klproblems #kl(using #kltwo’s #klcomplement #klnotation) #kldoes #klan
#kloverflow #klerror #kloccur?
A. 0011 B. # k l C. # k l D. # k l
# k l1100 1100
# k l # k l0100
+ #kl1010 + #kl0100 + #kl1100 + #kl0100
ANSWER: #klD
10. Which #klof #klthe #klfollowing #klrepresentations #klin #kltwo’s #klcomplement #klnotation #klrepresents #klthe #kllargest
#klvalue?
A. #kl00000010 B. #kl11110000 C. #kl00000001 D.
11111111 #klANSWER: #klA
#kl
11. Which #klof #klthe #klfollowing #klrepresentations #klin #kltwo’s #klcomplement #klnotation #klrepresents #klthe #klsmallest
#klvalue?
A. #kl00000010 B. #kl11110000 C. #kl00000001 D.
11111111 #klANSWER: #klD
#kl
12. Which #klof #klthe #klfollowing #klbit #klpatterns #kl(represented #klin #klhexadecimal #klnotation) #klrepresents #kla
#klnegative #klnumber #klin #kltwo’s #klcomplement #klnotation?
A. # kl 3F B. # kl 55 C. # kl A6 D.
7E #klANSWER: #klC
#kl
13. Which #klof #klthe #klfollowing #klbit #klpatterns #kl(represented #klin #klhexadecimal #klnotation) #klrepresents #kla
#klpositive #klnumber #klin #kltwo’s #klcomplement #klnotation?
A. # kl 9F B. # kl F7 C. # kl A8 D.
7E #klANSWER: #klD
#kl
14. What #klvalue #klis #klrepresented #klby #klthe #klbit #klpattern #kl01011100 #klwhen #klinterpreted #klusing #klfloating-
point #klformat #klin #klwhich #klthe #klmost #klsignificant #klbit #klis #klthe #klsign #klbit, #klthe #klnext #klthree #klbits
#klrepresent #klthe #klexponent #klfield #klin #klexcess #klnotation, #kland #klthe #kllast #klfour #klbits #klrepresent #klthe
#klmantissa?
A. # kl -1 #kl1/2 B. # kl 1 #kl1/2 C. #kl-3/8 D.
3/8 #klANSWER: #klB
#kl
15. Which #klof #klthe #klfollowing #klvalues #klcannot #klbe #klstored #klaccurately #klusing #kla #klfloating-point
#klformat #klin #klwhich #klthe #klmost #klsignificant #klbit #klis #klthe #klsign #klbit, #klthe #klnext #klthree #klbits #klrepresent
#klthe #klexponent #klfield #klin #klexcess #klnotation, #kland #klthe #kllast #klfour #klbits #klrepresent #klthe #klmantissa?
A. # kl 2 #kl1/2 B. # kl 3/16 C. # kl 7 D. # k l 6
© #kl2018 #klPearson #klEducation, #klInc., #klHoboken, #klNJ. # k l All
#klrights #klreserved.
SCHOLARVAULT
, 1/4 #klANSWER: #klD
#kl
© #kl2018 #klPearson #klEducation, #klInc., #klHoboken, #klNJ. # k l All
#klrights #klreserved.
SCHOLARVAULT
, 16. Which #klof #klthe #klfollowing #klbit-patterns #klrepresents #klthe #klsmallest #klvalue #klusing #klthe #klfloating-
point #klformat #klin #klwhich #klthe #klmost #klsignificant #klbit #klis #klthe #klsign #klbit, #klthe #klnext #klthree #klbits
#klrepresent #klthe #klexponent #klfield #klin #klexcess #klnotation, #kland #klthe #kllast #klfour #klbits #klrepresent #klthe
#klmantissa?
A. # kl 01001000 B. # kl 01011000 C. # kl 00101000 D.
#kl 01111000 #klANSWER: #klC
17. Which #klof #klthe #klfollowing #kldata #klstorage #klsystems #klprovides #klthe #klmost #klefficient #klrandom
#klaccess #klto #klindividual #kldata #klitems?
A. #klMain #klmemory B. #klMagnetic #kldisk C. #klCDs/DVDs D. #klFlash #kldrives
ANSWER: #klA
18. Which #klof #klthe #klfollowing #klstorage #klsystems #klis #klbest #klsuited #klfor #klstoring #kland #klretrieving
#kllong #klstrings #klof #kldata #klsuch #klas #klmusic #klthat #klare #klprocessed #klin #kla #klsequential #klorder?
A. #klMain #klmemory B. #klMagnetic #kldisk C. #klCDs/DVDs D. #klROM
chips #klANSWER: #klC
#kl
19. Which #klof #klthe #klfollowing #klmass #klstorage #klsystem #kldoes #klnot #klrequire #klphysical #klmotion?
A. #klMagnetic #kltape B. #klMagnetic #kldisk C. #klCDs/DVDs D. #klFlash
drives #klANSWER: #klD
#kl
20. Assuming #klthat #kleach #klof #klthe #klfollowing #klbit #klpatterns #kloriginally #klhad #kleven #klparity, #klwhich
#klone #klcontains #klan #klerror?
A. # kl 100110100 B. # kl 110000011 C. # kl 010011000 D.
#kl 100011001 #klANSWER: #klC
21. How #klmany #klerrors #klper #klpattern #klcould #klbe #klcorrected #klwhen #klusing #klan #klerror-correcting #klcode #klin
#klwhich #klany #kltwo #klcode #klpatterns #kldiffer #klby #kla #klHamming #kldistance #klof #kl8?
A. # kl 3 B. # kl 4 C. # kl 5 D.
#kl 6 #klANSWER: #klA
22. Which #klof #klthe #klfollowing #klis #kla #klpossible #klLZW #klcompression #klof #klthe #klmessage #kl“xyz #klxyz #klxyz”?
A. # kl 1234 B. # kl 1234545 C. # kl 232 D.
#kl 12 #klANSWER: #klB
23. Which #klof #klthe #klfollowing #klsystems #klis #klleast #klefficient #klwhen #klencoding #klnumeric #klvalues?
A. Two’s #klcomplement #klnotation B. #klExcess #klnotation
C. # k l ASCII D. #klFloating-point
notation #klANSWER: #klC
#kl
© #kl2018 #klPearson #klEducation, #klInc., #klHoboken, #klNJ. # k l All
#klrights #klreserved.
SCHOLARVAULT
