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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
1268+ 4258= __________
Question # 2
The main advantage of hexadecimal number is the case of conversion from hexadecimal to.
Question # 3
Data items are generally classified into which type of codes
Question # 4
Base 8 is often used in computing because.
Question # 5
The binary number 10011101 is equal to the hexadecimal number.
Question # 6
AB16+ CD16= ________
Question # 7
9710(decimal) in octal number system is equivalent to.
Question # 8
Octal number system uses the digit 0 to 7. The equivalent of Octal 126 in decimal system is.
Question # 9
The number 10000 would appear just immediately after.
Question # 10
1258(octal) in decimal equivalent is equal to.
Question # 11
The reason why computers have been designed to use binary numbers is.
Question # 12
Alphanumeric characters are expressed in terms of binary codes. In ASCII (American standard Code for Information Interchange) each character is represented as a
Question # 13
The number A9D in Hexadecimal system is equivalent to which number in decimal system.
Question # 14
Binary number 10101101 is equivalent in decimal form to.
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 | What is the octal equivalent of the binary system :10111101.? |
A. 6758
B. 2758
C. 5728
D. 5738
|
| 2 | 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
|
| 3 | AB16+ CD16= ________ |
A. 1011110102
B. 1011110002
C. 1011111102
D. 1011010002
|
| 4 | 9710(decimal) in octal number system is equivalent to. |
A. 1368
B. 1408
C. 1398
D. 1418
|
| 5 | A letter, number, or a special character is represented by a. |
A. bit
B. kilobyte
C. byte
D. megabyte
|
| 6 | 1268+ 4258= __________ |
A. 1111010112
B. 1011010012
C. 1011010112
D. 1011000112
|
| 7 | 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
|
| 8 | 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
|
| 9 | The digits used for hexadecimal number system are. |
A. A through Z
B. 1 through 16
C. 0 through 15
D. 0 through 9 and A through F
|
| 10 | 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
|
Test Questions
