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Published on: 11/11/2020
11th Standard Computer Science Number Systems English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021
Download Tamil Nadu 11th Standard Computer Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Computer Science Test
1.
The most popular way of representing negative numbers in computer systems is.......
I's complement
Signed bit
2's complement
All of these
2.
The 4 bit binary equivalent of -5 is......
1101
0101
1100
-101
3.
In binary numbers, the signed positive number has a prefix?
+
0
1
-
4.
How many procedures are there to convert from decimal to binary?
2
4
8
3
5.
How many unique symbols in Octal number system?
4
16
2
8
6.
The left most bit on the binary digit carries the largest weight is called......
LSB
MSB
Word
Byte
7.
Expansion of LSB is _______.
Least Significant Byte
Least Sign Bit
Least Significant Bit
Left Significant Bit
8.
Each binary digit weight is expressed as a power of.......
1
0
0,1
2
9.
The base value of a number is also known as.....
length
radix
data
Position
10.
A Latin prefix Deci means.........
2
8
16
10
11.
Who coined the term byte?
Charles Babbage
John von Neumann
Werner Buchholz
Herman Hollerith
12.
Which is used to measure the number of bits in each word?
Word length
length
Size
word size
13.
In a computer, a data is converted into _______.
ASCII form
BCD form
Binary form
Octal form
14.
"75% of Men likes cricket" is............
Information
data
knowledge Record
Record
15.
How the information entered in a computer?
Knowledge
data
ASCII Value
BCD
16.
A + A = ?
A
O
I
A
17.
Which is a basic electronic circuit which operates on one or more signals?
Boolean algebra
Gate
Fundamental gates
Derived gates
18.
What is the 1's complement of 00100110?
00100110
11011001
11010001
00101001
19.
Expansion for ASCII
American School Code for Information Interchange
American Standard Code for Information Interchange
All Standard Code for Information Interchange
American Society Code for Information Interchange
20.
Which refers to the number of bits processed by a computer's CPU?
Byte
Nibble
Word length
Bit
1.
(c)
2's complement
2.
(a)
1101
3.
(a)
+
4.
(a)
2
5.
(d)
8
6.
(b)
MSB
7.
(c)
Least Significant Bit
8.
(a)
1
9.
(b)
radix
10.
(d)
10
11.
(c)
Werner Buchholz
12.
(a)
Word length
13.
(c)
Binary form
14.
(a)
Information
15.
(b)
data
16.
(a)
A
17.
(b)
Gate
18.
(b)
11011001
19.
(b)
American Standard Code for Information Interchange
20.
(c)
Word length
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Tamilnadu Stateboard 11th Standard Subjects
Maths
Commerce
Economics
Biology
Business Maths and Statistics
Accountancy
Computer Science
Physics
Chemistry
Maths
Biology
Economics
Physics
Chemistry
History
Business Maths and Statistics
Computer Science
Accountancy
Computer Applications
History
Computer Technology
Commerce
Computer Applications
Computer Technology
Tamil
English
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Tamilnadu Stateboard Standards
