1 - A computer language that is written in binary codes only is _____
machine language
2 - A number with both integer and a fractional part has digits raised to both positive and negative powers of 2 in a decimal number system.
FALSE
3 - Any set of digits or alphabets are generally referred as ______________
Characters
4 - ASCII stands for _____________________
American standard code for information interchange
5 - Here, 10.11 gets converted to 01.00 in its 1's complement format. Further, to convert 1's complement into 2's, we add 1 to the result. Here, 01.00+1=10.00.
A02
6 - The 9-s complement of 6578 is ___________
3421
7 - The BCD representation of (34)10 is _______________
7
8 - The binary number 111 in its 2-s complement form is ____________
1
9 - The binary number 111 in octal format is ________________
7
10 - The binary number 1110 in hexadecimal format is _____________
E
11 - The boolean expression of an OR gate is _______
A+B
12 - The complement of any number can be given by a general term _______________
Bn - 1 -N
13 - The corresponding min term when x=0, y=0 and z=1.
x.y.z
14 - The general form for calculating the number of rows in a truth table is ________
2n
15 - The hex representation for F is _______________
C6
16 - The LSB and MSB of 1243247 are ____ and ____
7, 1
17 - The multiplication of 110 * 111 is performed. What is a general term used for 111?
Multiplier
18 - The result of >> of 11001 by 3-bits will be ______________
1000
19 - The sign indicator of unsigned numbers is ____________
F
20 - Which operator has the highest precedence?
!
21 - ______________ define how the locations can be used.
Attributes
22 - _________________ defines the assigned ordering among the characters used by the computer.
Collating Sequence
23 - __________________ is a straightforward method of representing positive and negative numbers.
Sign Magnitude
24 - >> operator is used to denote _________
right shift
25 - 1 zettabyte = ______________
1024 EB
26 - 2-s complement is obtained by adding 1 to 1-s complement of a number.
TRUE
27 - 4-bit is a valid IEEE- format.
None of the mentioned
28 - 7-s complement of 432 is _________________
345
29 - A __________ gate gives the output as 1 only if all the inputs signals are 1.
AND
30 - A ____________ is a circuit with only one output but can have multiple inputs.
Logic gate
31 - A device that uses positional notation to represent a decimal number.
Abacus
32 - A group of bits used to represent a symbol is called a ____________
byte
33 - A standardized language used for commercial applications.
COBOL
34 - A sum of products expression is a product term (min term) or several min terms ANDed together.
FALSE
35 - ABC is a valid hexadecimal number.
TRUE
36 - Another name for base is __________
radix
37 - As per idempotent law, X + X will always be equal to ________
X
38 - BCD uses 6 bits to represent a symbol.
TRUE
39 - Binary addition of 1 + 1 gives the result _____________
0
40 - Binary Coding for the letter X is ______________
1011000
41 - Boolean Function is of the form of ________
Truth values
42 - BOOLEAN is a type of data type which basically gives a tautology or fallacy.
TRUE
43 - Booth-s Algorithm is applied on _____________
binary numbers
44 - Brain of computer is ____________
Central Processing Unit
45 - Control Unit acts as the central nervous system of the computer.
TRUE
46 - Convert (22)8 into its corresponding decimal number.
18
47 - Convert (52)16 into its decimal equivalent.
82
48 - Convert (5401)8 to hexadecimal.
B01
49 - Convert the binary equivalent 10101 to its decimal equivalent.
21
50 - Electronic circuits that operate on one or more input signals to produce standard output _______
Logic Gates
51 - Express the decimal format of the signed binary number (10010)2 .
-2
52 - Express the decimal format of the signed binary number (101010)2 .
-10
53 - Express the decimal format of the signed binary number (101010)2 .
-10
54 - Hexadecimal Addition of (3A5)16 and (1B2)16 will give :
165
55 - How many AND gates are required to realize the following expression Y=AB+BC?
2
56 - If Booth-s Multiplication is performed on the numbers 22*3, then what is 3 referred to as __________
multiplier
57 - If m is the 2-s complement and n is the binary number, then ______________
m=n-+1
58 - If you are given a word of size n bits, the range of 2-s complement of binary numbers is ________
-2n-1 to +2n-1-1
59 - In both signed magnitude and 2-s complement , positive and negative numbers are separated using ______________
MSB
60 - In EBCDIC, a maximum of 128 different characters can be represented.
FALSE
61 - In EBCDIC, D5 is used to represent ________ character.
N
62 - In the boolean function w=f(X,Y,Z), what is the RHS referred to as ________
expression
63 - In the expression Y + X.Y, which operator will be evaluated first?
-
64 - In the third option, there is an alphabet E present which makes it an invalid binary number. Alphabets are only allowed in the hexadecimal number system.
(110)2
65 - Logic Gates are the building blocks of all circuits in a computer.
TRUE
66 - LSI stands for ___________
Large Scale Integration
67 - Number of outputs in a half adder _____________
2
68 - Numbers used in packed decimal format can be used for _____________ operations.
arithmetic
69 - Octal subtraction of (232)8 from (417)8 will give ______________
165
70 - One extra bit is added on the left of a binary number, in case of Binary Multiplication using Booth-s Algorithm.
TRUE
71 - Perform BCD addition of (23)BCD + (20)BCD .
1000011
72 - Perform binary addition of 1101 + 0010 is ________
1111
73 - Perfrom BCD addition: 2+3= _______________
101
74 - Select the incorrect option:
G is valid in hexadecimal system.
75 - Since carry is generated, it is discarded and the answer is positive.
The 1-s complement of 1111111110.101 is _______________
76 - Single Precision format comprises of _________ bits.
32
77 - The ________ gate is an OR gate followed by a NOT gate.
NOR
78 - The 10's complement of 455 is _________
545
79 - The 10-s complement of 562 is __________
3
80 - The 16-s complement of 74E will be __________
F8B2
81 - The 1's complement of 0.101 is _________________
1.01
82 - The 1's complement of 1 in 4 bits is __________
1110
83 - The 2's complement of 10.11 :
10
84 - The 2's complement of 15 is ____________
1
85 - The 2's complement of 5 is ______________
1011
86 - The 9's complement of 45 is _____________
54
87 - The addition 1+1 gives 0 as a result.
TRUE
88 - The additive inverse of a number is the number which when added to the original number gives 1 as a result.
FALSE
89 - The binary equivalent of the decimal number 10 is __________
1010
90 - The binary number obtained after applying RSC on 11010 will be ___________
1101
91 - The characters from 0 to 9 have their common digit as ___________
1111
92 - The complement of the input given is obtained in case of:
NOT
93 - The complement term for X.Y.Z + X.Y will be _____________
(X+Y+Z)(X+Y)
94 - The decimal equivalent of (0.101)2 will be ____________
0.625
95 - The decimal representation for the character ‘!' in ASCII is ____________
33
96 - The default character coding in HTML-5 is _____________
UTF-8
97 - The EBCDIC code for the character A is ______________
digit : 1100 zone : 0001
98 - The EBCDIC is mainly used in ___________
Mainframes
99 - The EBCDIC value of the number 345 in zoned format is __________
F3F4F5
100 - The Excess-3 representation of (0100)BCD is __________
111
101 - The expression A+BC is the reduced form of ______________
(A+B)(A+C)
102 - The expression for involution law is _________
(x)=x
103 - The expression of a NAND gate is_______
(A.B)
104 - The expression of an EXOR gate is ____________
AB+AB
105 - The gate which is called an inverter is called _________
NOT
106 - The gate which is used to reverse the output obtained is _____
NOT
107 - The hexadecimal equivalent of the binary number (0010010100)2 is :
224
108 - The hexadecimal representation of 14 is _______________
E
109 - The IEEE standard followed by almost all the computers for floating point arithmetic _____
IEEE 754
110 - The input hexadecimal representation of 1110 is _______________
E
111 - The max term when X=Y=Z=1 is ________
x+y+z
112 - The maximum number of bits sufficient to represent a hexadecimal number in binary:
4
113 - The maximum number of bits sufficient to represent an octal number in binary is _______
3
114 - The min term when X=Y=Z=0 is _____________
xyz
115 - The minterm of any expression is denoted by ___________
m
116 - The number of cells in a K-map with n-variables.
2n
117 - The number of characters that can be represented in ASCII-8 are ______________
256
118 - The number of literals in the expression F=X.Y + Z are _____________
3
119 - The number of min terms for an expression comprising of 3 variables?
8
120 - The number of sign bits in a 32-bit IEEE format _________
1
121 - The number of sign bits in a 32-bit IEEE format is _______
1
122 - The number of values applicable in Boolean Algebra.
2
123 - The numbers used to represent numeric values in EBCDIC are _______
zoned
124 - The octal equivalent of 1100101.001010 is ______
145.12
125 - The octal equivalent of the binary number (0010010100)2 is ______________
224
126 - The Output is LOW if any one of the inputs is HIGH in case of a _________ gate.
NAND
127 - The output of AND gates in the SOP expression is connected using the ________ gate.
OR
128 - The possible number of bit patterns with 8 bits ________________
256
129 - The program written by the programmer in high level language is called _____________
Source Program
130 - The representation of the number 8 in binary in ASCII-8 format _________
111000
131 - The result obtained on binary multiplication of 1010 * 1100 is _____________
1111000
132 - The result obtained on subtraction using 2-s complement of 1111-0010 will be _________
1101
133 - The result of 0 -1 in binary is ______________
1
134 - The result of 0*1 in binary is ____________
0
135 - The result of X+X.Y is X.
TRUE
136 - The result that is smaller than the smallest number obtained is referred to as ___________
Underflow
137 - The result that is smaller than the smallest number obtained is referred to as ___________
Underflow
138 - The sign magnitude representation of -9 is ___________
10001001
139 - The signed magnitude for -3 will be ___________
10000011
140 - The sorting sequence of the strings A1,23,1A will be ______________
A1 < 1A < 23
141 - The subtraction using 1-s complement of 110 -100 will give the result ___________
10
142 - The symbol + in Boolean is also known as the ____________ operator.
OR
143 - The terms in SOP are called ___________
min terms
144 - The two types of ASCII are _____________ and ____________
ASCII-7 and ASCII-8
145 - The universal gate that can be used to implement any Boolean expression is __________
NAND
146 - The value of base in a decimal number system is ____________
10
147 - The value of radix in binary number system is _____________
2
148 - The weights used in Binary coded decimal code are:
8,4,2,1
149 - The zone of alphabetic characters from A to O in ASCII is _____________
100
150 - There are 5 universal gates.
FALSE
151 - Truth table is used to represent Boolean __________
functions
152 - Unicode provides a consistent way of encoding multilingual plain text.
TRUE
153 - What are the entities whose values can be changed called?
Variables
154 - What could be the maximum value of a single digit in an octal number system?
7
155 - What do we call the point(decimal) in any hexadecimal number of the form 111.A3?
hexadecimal point
156 - What do you call the intermediate terms in binary multiplication?
Partial Products
157 - What does ASCII stand for?
American Standard Code for Information Interchange
158 - What does BCD stand for?
Binary coded decimal
159 - What does EBCDIC stand for?
Extended Binary Coded Decimal Intermediate Code
160 - What does FORTRAN stands for?
Formula Translation
161 - What does MBR stand for?
Memory Buffer Register
162 - What does the data transfer instruction STA stand for?
Store Accumulator
163 - What does the symbol D represent in a hexadecimal number system?
13
164 - What is NaN in IEEE standards?
Not a number
165 - What is the 1-s complement of 11010?
101
166 - What is the complement of XYZ?
X+Y+Z
167 - What is the default value of accumulator in booth-s multiplication of two 4-bit binary numbers?
0
168 - What is the hexadecimal equivalent of the digit 9?
F9
169 - What is the value of n in multiplication of 110* 1000?
4
170 - What will be the value obtained after multiplication of (-2) * (-3) using Booth-s Algorithm?
6
171 - When logic gates are connected to form a gating/logic network it is called as a ______________ logic circuit.
combinational
172 - Which of the following character is available in EBCDIC but not in ASCII?
cent sign
173 - Which of the following correctly describes the distributive law.a)( A+B)(C+D)=AB+CD
(AB)(A+B)=AB
174 - Which of the following gate will give a 0 when both of its inputs are 1?
NAND
175 - Which of the following is a valid encoding format?
UTF-8
176 - Which of the following is an incorrect SOP expression?
(x+y)(x+z)
177 - Which of the following is false?
x.x=1
178 - Which of the following is not a basic data type in C language?
real
179 - Which of the following is not a binary number?
11E
180 - Which of the following is not a character of the digit 1110?
O
181 - Which of the following is not a data type?
Symbolic Data
182 - Which of the following is not a decimal number?
99.9A
183 - Which of the following is not a positional number system?
Roman Number System
184 - Which of the following is not a type of computer code?
EDIC
185 - Which of the following is not a type of numeric value in zoned format?
Double
186 - Which of the following is often called the double precision format?
64-bit
187 - Which of the following is often called the double precision format?
64-bit
188 - Which of the following is used for binary multiplication?
Booth-s Algorithm
189 - Which operation is shown in the following expression: (X+Y).(X+Z).(Z+Y)
SOP
190 - Who proposed the use of Boolean algebra in the design of relay switching circuits?
Claude E. Shannon
191 - Write the decimal equivalent for (110001)BCD.
31
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