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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
00:00
Question # 1
Four-digit binary number 1011 is represented in the decimal system by.
Question # 2
What is the octal equivalent of the binary system :10111101.?
Question # 3
1268+ 4258= __________
Question # 4
Octal number system uses the digit 0 to 7. The equivalent of Octal 126 in decimal system is.
Question # 5
The binary number 101000101011 is equal to the hexadecimal number
Question # 6
A letter, number, or a special character is represented by a.
Question # 7
The number A9D in Hexadecimal system is equivalent to which number in binary system.
Question # 8
The binary number 10011101 is equal to the hexadecimal number.
Question # 9
The reason why computers have been designed to use binary numbers is.
Question # 10
Data items are generally classified into which type of codes
Question # 11
The digits used for hexadecimal number system are.
Question # 12
9710(decimal) in octal number system is equivalent to.
Question # 13
The main advantage of hexadecimal number is the case of conversion from hexadecimal to.
Question # 14
The number 10000 would appear just immediately after.
Question # 15
The hexadecimal number system is widely used in analyzing and programming in.
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 | Number 37510is equivalent in binary system to. |
A. 101110101
B. 100110101
C. 101110111
D. 101110011
|
| 2 | 9710(decimal) in octal number system is equivalent to. |
A. 1368
B. 1408
C. 1398
D. 1418
|
| 3 | A letter, number, or a special character is represented by a. |
A. bit
B. kilobyte
C. byte
D. megabyte
|
| 4 | The number 10000 would appear just immediately after. |
A. FFFF (hex)
B. 1111 (binary)
C. 7777 (octal)
D. all of the above
|
| 5 | The main advantage of hexadecimal number is the case of conversion from hexadecimal to. |
A. ASCII code
B. binary
C. octal
D. decimal
|
| 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 | The number A9D in Hexadecimal system is equivalent to which number in decimal system. |
A. 2727
B. 2648
C. 3717
D. 2717
|
| 8 | 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
|
| 9 | The binary number 101000101011 is equal to the hexadecimal number |
A. A2D
B. C2D
C. A2B
D. B2C
|
| 10 | Four-digit binary number 1011 is represented in the decimal system by. |
A. 7
B. 9
C. 11
D. 13
|
Test Questions
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