ECAT Pre Computer Science MCQ Test For Computer Chapter 4 With Answer

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

Start Test Download PDF

ECAT Computer Science Chapter 4 Computer Arithmetic & Number System

00:00
Question # 1

AB16+ CD16= ________

Question # 2

9710(decimal) in octal number system is equivalent to.

Question # 3

Octal number system uses the digit 0 to 7. The equivalent of Octal 126 in decimal system is.

Question # 4

Base 8 is often used in computing because.

Question # 5

The number ABC in Hexadecimal system is equivalent to which number in decimal system.

Question # 6

Number 37510is equivalent in binary system to.

Question # 7

The hexadecimal number system is widely used in analyzing and programming in.

Question # 8

Data items are generally classified into which type of codes

Question # 9

The binary number 101000101011 is equal to the hexadecimal number

Question # 10

Four-digit binary number 1011 is represented in the decimal system by.

Question # 11

Binary number 10101101 is equivalent in decimal form to.

Question # 12

The reason why computers have been designed to use binary numbers is.

Question # 13

The number 10000 would appear just immediately after.

Question # 14

The number A9D in Hexadecimal system is equivalent to which number in decimal system.

Question # 15

What is the octal equivalent of the binary system :10111101.?

Submit

Prepare Complete Set Wise ECAT Computer Science Chapter 4 Computer Arithmetic & Number System MCQs Online With Answers


Topic Test

00:00
Submit

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 Computer Sciences Chapter 4 Important MCQ's

Sr.# Question Answer
1 1258(octal) in decimal equivalent is equal to.
A. 8310
B. 8410
C. 8510
D. 8610
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 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
5 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
6 Data items are generally classified into which type of codes
A. Numeric
B. Alphanumeric
C. Character
D. All of the above
7 Number 37510is equivalent in binary system to.
A. 101110101
B. 100110101
C. 101110111
D. 101110011
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 number A9D in Hexadecimal system is equivalent to which number in decimal system.
A. 2727
B. 2648
C. 3717
D. 2717
10 A letter, number, or a special character is represented by a.
A. bit
B. kilobyte
C. byte
D. megabyte

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!