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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
The reason why computers have been designed to use binary numbers is.
Question # 2
Base 8 is often used in computing because.
Question # 3
Data items are generally classified into which type of codes
Question # 4
What is the octal equivalent of the binary system :10111101.?
Question # 5
A letter, number, or a special character is represented by a.
Question # 6
The number ABC in Hexadecimal system is equivalent to which number in decimal system.
Question # 7
The main advantage of hexadecimal number is the case of conversion from hexadecimal to.
Question # 8
The number A9D in Hexadecimal system is equivalent to which number in binary system.
Question # 9
Data is represented on a computer by means of a two-state on/off system called
Question # 10
The binary number 10011101 is equal to the hexadecimal number.
Question # 11
The number A9D in Hexadecimal system is equivalent to which number in decimal system.
Question # 12
Octal number system uses the digit 0 to 7. The equivalent of Octal 126 in decimal system is.
Question # 13
The hexadecimal number system is widely used in analyzing and programming in.
Question # 14
1258(octal) in decimal equivalent is equal to.
Question # 15
Alphanumeric characters are expressed in terms of binary codes. In ASCII (American standard Code for Information Interchange) each character is represented as a
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ECAT Computer Sciences Chapter 4 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | The number A9D in Hexadecimal system is equivalent to which number in decimal system. |
A. 2727
B. 2648
C. 3717
D. 2717
|
| 3 | The number 10000 would appear just immediately after. |
A. FFFF (hex)
B. 1111 (binary)
C. 7777 (octal)
D. all of the above
|
| 4 | Four-digit binary number 1011 is represented in the decimal system by. |
A. 7
B. 9
C. 11
D. 13
|
| 5 | Data items are generally classified into which type of codes |
A. Numeric
B. Alphanumeric
C. Character
D. All of the above
|
| 6 | 9710(decimal) in octal number system is equivalent to. |
A. 1368
B. 1408
C. 1398
D. 1418
|
| 7 | 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
|
| 8 | The hexadecimal number system is widely used in analyzing and programming in. |
A. analog computers
B. binary computers
C. decimal computers
D. micro computers
|
| 9 | The main advantage of hexadecimal number is the case of conversion from hexadecimal to. |
A. ASCII code
B. binary
C. octal
D. decimal
|
| 10 | 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
|
Test Questions
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