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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
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Total Questions15
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Time Allowed15
ECAT Computer Science Chapter 4 Computer Arithmetic & Number System
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Question # 1
Alphanumeric characters are expressed in terms of binary codes. In ASCII (American standard Code for Information Interchange) each character is represented as a
Question # 2
9710(decimal) in octal number system is equivalent to.
Question # 3
The hexadecimal number system is widely used in analyzing and programming in.
Question # 4
What is the octal equivalent of the binary system :10111101.?
Question # 5
The number A9D in Hexadecimal system is equivalent to which number in binary system.
Question # 6
The binary number 101000101011 is equal to the hexadecimal number
Question # 7
The binary number 10011101 is equal to the hexadecimal number.
Question # 8
Data items are generally classified into which type of codes
Question # 9
Four-digit binary number 1011 is represented in the decimal system by.
Question # 10
The number A9D in Hexadecimal system is equivalent to which number in decimal system.
Question # 11
The main advantage of hexadecimal number is the case of conversion from hexadecimal to.
Question # 12
The digits used for hexadecimal number system are.
Question # 13
A letter, number, or a special character is represented by a.
Question # 14
Binary number 10101101 is equivalent in decimal form to.
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
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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 Computer Sciences Chapter 4 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | Octal number system uses the digit 0 to 7. The equivalent of Octal 126 in decimal system is. |
A. 80
B. 82
C. 86
D. 84
|
| 3 | The hexadecimal number system is widely used in analyzing and programming in. |
A. analog computers
B. binary computers
C. decimal computers
D. micro computers
|
| 4 | 1258(octal) in decimal equivalent is equal to. |
A. 8310
B. 8410
C. 8510
D. 8610
|
| 5 | 9710(decimal) in octal number system is equivalent to. |
A. 1368
B. 1408
C. 1398
D. 1418
|
| 6 | The number ABC in Hexadecimal system is equivalent to which number in decimal system. |
A. A x 100 + B x 10 + C x 1
B. 10 x 100 + 11 x 10 + 12
C. 10 x 16 + 11 x 16 + 12
D. 10 x 256 + 11 x 16 + 12
|
| 7 | 1268+ 4258= __________ |
A. 1111010112
B. 1011010012
C. 1011010112
D. 1011000112
|
| 8 | The binary number 101000101011 is equal to the hexadecimal number |
A. A2D
B. C2D
C. A2B
D. B2C
|
| 9 | Alphanumeric characters are expressed in terms of binary codes. In ASCII (American standard Code for Information Interchange) each character is represented as a |
A. 8 bit code
B. 4 bit code
C. 5 bit code
D. 7 bit code
|
| 10 | Four-digit binary number 1011 is represented in the decimal system by. |
A. 7
B. 9
C. 11
D. 13
|
Test Questions