9th Computer New Course Binary System Unit-02

2.1 Multiple choice questions.

Expression (A+B).(A+C) is equal to ____________________.

i. A+(B.C) (Correct Answer)

ii. A.B + A.C

iii. A.(B.C)

iv. A+(B+C)

2. The order of application of two separate terms is not important in ____________________.

i. Associative Law

ii. Commutative Law (Correct Answer)

iii. Distributive Law

iv. Identity Law

3. “Is it cold outside” is ____________________.

i. Boolean Proposition (Correct Answer)

ii. Categorical Proposition

iii. Moral Proposition

iv. None of above

4. Number “17” is equal to ____________________ in binary system.

i. 10000

ii. 10110

iii. 10001 (Correct Answer)

iv. 10100

5. 1 Petabyte is equal to ____________________.

6. Hexadecimal system has total ____________________ numbers.

i. 17

ii. 16 (Correct Answer)

iii. 18

iv. 15

2.3 Fill in the blanks.

Temporary memory is ____________________ and permanent memory is ____________________.

Answer: volatile, non-volatile

2. Data to a processor is provided through ____________________.

Answer: RAM

3. At least ____________________ byte is required to store any piece of information in a computer’s memory.

Answer: one

4. ____________________ is used to assemble more than one propositions into one proposition.

Answer: Compound proposition

5. In primary and secondary storages, data is stored in the form of ____________________.

Answer: bytes

6. According to ____________________ law there is no change in results if priority of expressions is changed.

Answer: Associative

Recommended Readings

10th Class Computer Unit-05: Functions

In this unit, we will learn types of functions, advantages of functions, function signature, the definition of a function, and where to use these functions.

10th Class Computer New Course Data & Repetition Unit-04

In PTB 10th Class Data and Repetition Unit-04, we will learn array, a loop structure, nested loops, and how to read and write data in arrays using loops.

10th Computer New Course Conditional Logic Unit-03

In this unit PTB 10th Class Conditional Logic Unit-03, we will learn conditional statements, selection statements and solve programming exercises and objective.

10th Class Computer New Course User Interaction Unit-02

10th Class Computer New Course User Interaction Unit-02 Q.1 Multiple choice questions. printf is used to print ____________________ type of data. a) int b) float c) char d) All of them (Correct Answer) 2. scanf is a ____________________ in C programming language. a) keyword b) library c) function (Correct Answer) d) none of them 3. […]

10th Class Computer New Course ITP Unit-01

In this unit, we will learn programming environment, tools for writing programs, who and how to write the computer program and how we get the require result.

9th Computer New Course Designing Website Unit-05

In this unit, we will learn HTML basics, text formatting, creating lists, images, background, hyperlinks, and creating tables. Then we will solve the exercise.

9th Computer New Course Data and Privacy Unit-04

"Secure data transfer". Data is converted to unreadable format before sending and then converted to readable format after reaching it's destination.

9th Computer New Course Networks Unit-03

9th Computer New Course Networks Unit-03 3.1 Choose the correct option. The IPv4 address is made up of ____________________ binary bits. i. 31 ii. 29 iii. 32 (Correct Answer) iv. 30 2. Routing is the process of taking data from one device and sending it to another device in different ____________________. i. Channel ii. Network […]

9th Computer New Course Problem Solving Unit-01

Problem-solving is the process of solving complex problems. This unit introduces the methodologies to understand an issue and solve it effectively. Let's start.