Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
MCQ's Test For ECAT Computer Science Chapter 4 Computer Arithmetic & Number System
Try The MCQ's Test For ECAT Computer Science Chapter 4 Computer Arithmetic & Number System
-
Total Questions15
-
Time Allowed15
ECAT Computer Science Chapter 4 Computer Arithmetic & Number System
00:00
Question # 1
1258(octal) in decimal equivalent is equal to.
Question # 2
The hexadecimal number system is widely used in analyzing and programming in.
Question # 3
Data is represented on a computer by means of a two-state on/off system called
Question # 4
1268+ 4258= __________
Question # 5
What is the octal equivalent of the binary system :10111101.?
Question # 6
The number ABC in Hexadecimal system is equivalent to which number in decimal system.
Question # 7
Octal number system uses the digit 0 to 7. The equivalent of Octal 126 in decimal system is.
Question # 8
Base 8 is often used in computing because.
Question # 9
A letter, number, or a special character is represented by a.
Question # 10
The number A9D in Hexadecimal system is equivalent to which number in binary system.
Question # 11
The digits used for hexadecimal number system are.
Question # 12
The binary number 101000101011 is equal to the hexadecimal number
Question # 13
9710(decimal) in octal number system is equivalent to.
Question # 14
Four-digit binary number 1011 is represented in the decimal system by.
Question # 15
The reason why computers have been designed to use binary numbers is.
Top Scorers Of ECAT Computer Science Chapter 4 Computer Arithmetic & Number System MCQ`s Test
-
A ali moid 19 - Jul - 2024 00 Min 46 Sec 60/60 -
Z ZAIB 22 - May - 2024 01 Min 04 Sec 60/60 -
U Usman Asif 25 - May - 2024 02 Min 15 Sec 60/60 -
A Abdullah Baloch 26 - Jul - 2024 02 Min 41 Sec 60/60 -
M Mehran shah 11 - May - 2024 01 Min 44 Sec 55/60 -
R RONIN 06 - Jul - 2024 07 Min 39 Sec 50/60 -
H Hassan Sajid 02 - Jun - 2024 11 Min 44 Sec 45/60 -
U Unknown 02 - Jun - 2024 04 Min 41 Sec 40/60 -
A Alinza Waseem 04 - Jun - 2024 01 Min 27 Sec 35/60 -
B Bariha Asim 26 - Jun - 2024 02 Min 18 Sec 35/60 -
S Syed Nalain Abbas Taqvi 17 - May - 2024 01 Min 31 Sec 30/60 -
M Manoush Fatima 02 - Jun - 2024 02 Min 32 Sec 30/60 -
H Husain Abbas 20 - Dec - 2024 12 Min 34 Sec 30/60 -
M M.Faiq 26 - May - 2024 01 Min 59 Sec 25/60 -
M Maneeha Yousuf 07 - May - 2024 03 Min 05 Sec 25/60
ECAT Class Computer Sciences Chapter 4 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The binary number 101000101011 is equal to the hexadecimal number |
A. A2D
B. C2D
C. A2B
D. B2C
|
| 2 | What is the octal equivalent of the binary system :10111101.? |
A. 6758
B. 2758
C. 5728
D. 5738
|
| 3 | Data is represented on a computer by means of a two-state on/off system called |
A. the octal system
B. the binary system
C. a word
D. ROM
|
| 4 | Base 8 is often used in computing because. |
A. there are 8 bit in a byte
B. calculations become easier by using base 8
C. electronic circuits can be made econmically
D. it can represent long strings of binary 1's an 0's in a more compact form
|
| 5 | 1268+ 4258= __________ |
A. 1111010112
B. 1011010012
C. 1011010112
D. 1011000112
|
| 6 | The main advantage of hexadecimal number is the case of conversion from hexadecimal to. |
A. ASCII code
B. binary
C. octal
D. decimal
|
| 7 | The binary number 10011101 is equal to the hexadecimal number. |
A. 9E
B. 9F
C. 9D
D. FF
|
| 8 | The number A9D in Hexadecimal system is equivalent to which number in decimal system. |
A. 2727
B. 2648
C. 3717
D. 2717
|
| 9 | Binary number 10101101 is equivalent in decimal form to. |
A. 170
B. 171
C. 173
D. 174
|
| 10 | The reason why computers have been designed to use binary numbers is. |
A. computer circuits have to handle 2 binary digits rather than 10
B. electronic components, by their very nature, operate in a binary mode
C. everything that can be done with a base of 10 can also be done in binary
D. all of the above
|
Test Questions
