Computer/Computer Science Number System Sample Test,Sample questions

Question:
 Decimal number is repeatedly divided by _________ to obtain its equivalent hexadecimal number.

1.10

2.2

3.8

4.16

Posted Date:-2021-12-15 03:13:53


Question:
 For converting binary to octal, “If number of bits in a binary number is not multiple of 3, then add required number of 0s on ______ of the binary number

1.least significant position

2. most significant position

3.Any of the above

4.None of the above

Posted Date:-2021-12-15 03:16:18


Question:
 In hexadecimal system, each alphanumeric digit is represented as a group of _____________ binary digits

1.1C2

2. 2A.1

3.1ABCD

4.67GA

Posted Date:-2021-12-15 02:27:03


Question:
 In hexadecimal system, each alphanumeric digit is represented as a group of _____________ binary digits

1.1C2

2. 2A.1

3.1ABCD

4.67GA

Posted Date:-2021-12-15 02:27:12


Question:
 Octal equivalent of decimal number 122 is ___

1.172

2.173

3.174

4.171

Posted Date:-2021-12-15 03:11:56


Question:
 Which is the Most Significant Bit (MSB) in 010101

1.0

2.1

3.Both of the above

4.None of the above

Posted Date:-2021-12-15 03:19:07


Question:
 Which of the following memory address is easy to remember or compact in size?

1.16-bit binary address

2.16-bit Hexadecimal address

3.16-bit Octal address

4.None of the above

Posted Date:-2021-12-15 02:51:06


Question:
 Which of the following number system is used by digital devices?

1. Binary number system

2.. Decimal number system

3.Hexadecimal number system

4.Octal number system

Posted Date:-2021-12-15 02:58:54


Question:
 Which of the following symbol is not a part of Hexadecimal number system?

1.0

2.9

3.10

4.A

Posted Date:-2021-12-15 02:47:43


Question:
4 bit binary code for binary number 15 is ___

1.1110

2.1111

3.1100

4.1101

Posted Date:-2021-12-15 02:49:52


Question:
4 bit binary value of hexadecimal symbol ‘D’ is

1.1101

2.1111

3.1001

4.100

Posted Date:-2021-12-15 03:17:57


Question:
base value of hexadecimal number system is ____

1.2

2.10

3.16

4.8

Posted Date:-2021-12-15 03:43:48


Question:
Binary equivalent of decimal number 65 is ____

1.1000001

2.1000000

3.1000011

4.100001

Posted Date:-2021-12-15 03:10:40


Question:
Binary number system is also referred as _______

1.base-2 system

2.base-8- system

3.base-10-system

4.base-16- system

Posted Date:-2021-12-15 02:15:39


Question:
Binary representation of the following hexadecimal number is _______________
98E

1.100110001111

2. 100110001110

3.100110101110

4.100110001010

Posted Date:-2021-12-15 03:48:36


Question:
Decimal number equivalent to binary number 1110101 is _

1.117

2.65

3.75

4.175

Posted Date:-2021-12-15 03:46:42


Question:
Decimal number system has ________ digits

1.8

2.7

3.19

4.10

Posted Date:-2021-12-15 02:18:37


Question:
Decimal representation of the following hexadecimal number is ______________
A.A

1.10.625

2.10.125

3.10.725

4.10.250

Posted Date:-2021-12-15 03:49:27


Question:
Equivalent binary number of decimal number 0.25 is ________

1.0.11

2. 0.00

3. 0.01

4.1.00

Posted Date:-2021-12-15 03:20:51


Question:
Every number system has a set of unique characters or literals. The count of these literals is called _

1.matrix

2.radix

3.radical

4.exponent

Posted Date:-2021-12-15 02:10:51


Question:
Hexadecimal equivalent of decimal number 122 is ___

1. 7A

2.7B

3. 7C

4.7D

Posted Date:-2021-12-15 03:14:41


Question:
Hexadecimal number equivalent to binary number 111010

1.117

2.65

3.75

4.175

Posted Date:-2021-12-15 03:47:37


Question:
Hexadecimal number system consist of _________ unique symbols?

1.8

2.16

3.10

4.2

Posted Date:-2021-12-15 02:22:12


Question:
Hexadecimal representation of the following binary number is ______________
1101011.10101

1.6B.A8

2.6B.A81

3.6B.98

4.6A.A8

Posted Date:-2021-12-15 03:52:01


Question:
Hexadecimal representation of the following decimal number is ______________
2960

1.B90

2.A90

3.B91

4.A91

Posted Date:-2021-12-15 03:51:05


Question:
Let X be a number system having B symbols only. Write down the base value of this number system.

1.A

2.B

3.X

4.AB

Posted Date:-2021-12-15 03:44:42


Question:
Octal number equivalent to binary number 1110101 is _

1.117

2.165

3.75#20

4.175

Posted Date:-2021-12-15 03:45:46


Question:
Octal number system has digits from __

1.0 – 7

2.1 – 7

3.1- 8

4.0- 9

Posted Date:-2021-12-15 02:19:41


Question:
Octal representation of the following binary number is ___________
1111.0101

1.17.25

2.17.24

3. 17.26

4.17.27

Posted Date:-2021-12-15 03:52:54


Question:
Octal representation of the following decimal number is _______________
198

1.310

2.316

3.306

4.326

Posted Date:-2021-12-15 03:50:16


Question:
Octal representation of the following hexadecimal number is _______________
A7B

1.5175

2.5174

3.5173

4.. 5172

Posted Date:-2021-12-15 03:53:36


Question:
The decimal number is repeatedly divided by _________ to obtain its equivalent octal number.

1.2

2.8

3.16

4.10

Posted Date:-2021-12-15 03:11:17


Question:
To convert 110010101101 to hexadecimal value, we make a group of 4 bits from _

1.right to left

2. left to right

3.between

4.None of the above

Posted Date:-2021-12-15 03:18:40


Question:
To convert binary number 10101100.01011 to octal number, we will make 3-bit groups from ____________ for the integer part and _______ for the fractional part

1.. right to left, left to right

2.. left to right, right to left

3.right to left, right to left

4.left to right, left to right

Posted Date:-2021-12-15 03:43:12


Question:
To convert decimal number 0.675 to octal, we will multiply the fractional part by __

1.2

2.4

3.6

4.8

Posted Date:-2021-12-15 03:42:04


Question:
Which Hexadecimal symbol is used for decimal number 15?

1.A

2.C

3.E

4.F

Posted Date:-2021-12-15 02:48:43


Question:
Which is the Least Significant Bit (LSB) in 010101

1.0

2.1

3.Both of the above

4.None of the above

Posted Date:-2021-12-15 03:19:40


Question:
Which of the following are application of Hexadecimal number system?

1.To simplify the memory address representation

2.Hexadecimal numbers are used for describing the colors on the webpage.

3.Both of the above

4.None of the above

Posted Date:-2021-12-15 02:54:13


Question:
Which of the following is not a number system in reference to computer?

1. Binary number system

2.Decimal number system

3.Octal number system

4.Penta number system

Posted Date:-2021-12-15 02:13:46


Question:
Which of the following is not an example of Octal number?

1.123

2.478

3.372

4.36

Posted Date:-2021-12-15 02:21:22


Question:
Which of the following is not an examples of binary numbers?

1.010101

2.11100.01

3.111001

4.None of the above

Posted Date:-2021-12-15 02:18:05


Question:
Which of the following mathematical operation is used to convert Decimal Number with fractional part only like 0.125 to another Number System

1.Addition

2.Subtraction

3.Multiplication

4.Division

Posted Date:-2021-12-15 03:41:34


Question:
Which of the following number system is known as base-10 system.

1.Binary Number System

2.Hexadecimal Number System

3.Octal Number System

4.Decimal Number System

Posted Date:-2021-12-15 02:09:02


Question:
Which of the following number system is mostly used by humans for their mathematical/calculation work?

1.Binary number system

2.Decimal number system

3.Hexadecimal number system

4. Octal number system

Posted Date:-2021-12-15 02:58:08


Question:
Which of the following number system is used to simplify the binary representation for us to understand?

1.Hexadecimal number system

2.Octal number system

3.Both of the above

4.None of the above

Posted Date:-2021-12-15 03:01:03


Question:
Which of the following sequence is correct to convert decimal number to binary?
Step 1: Note the remainder.
Step 2: Divide the given number by 2.
Step 3: Write the noted remainders in the reverse order (from bottom to top)
Step 4: Keep on dividing the quotient by 2 and note the remainder till the quotient is zero.

1. Step 1, Step 2, Step 3, Step 4

2. Step 2, Step 1, Step 4, Step 3

3.Step 3, Step 2, Step 1, Step 4

4. Step 2, Step 3, Step 1, Step 4

Posted Date:-2021-12-15 03:08:22


Question:
Which of the following will occupy more memory space?

1. 1111 (binary number)

2.A2 (Hexadecimal number)

3.12 (Octal number)

4.None of the above

Posted Date:-2021-12-15 03:12:45


Question:
Which two numbers form the binary number system?

1. 0 and 2

2.1 and 2

3. 0 and 1

4.1 and 3

Posted Date:-2021-12-15 02:14:33


Question:
________ in a binary number are grouped together to get hexadecimal number.

1.4 bits

2.2 bits

3.3 bits

4.5 bits

Posted Date:-2021-12-15 03:16:53


Question:
____________in a binary number are grouped together to get octal number.

1.4 bits

2.2 bits

3.3 bits

4.5bits

Posted Date:-2021-12-15 03:15:36


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