Class 9 Computer Chapter 1 Question Answer
Important MCQs and short questions notes of Class 9 Computer Chapter 1 Question Answer of Problem Solving in 9th Class Computer Science English Medium written by Sir Saud Khan. These computerized notes are very helpful in the preparation of Class 9 Computer Chapter 1 Question Answer for students of the 9th class Computer Science and these are according to the paper patterns of all Punjab boards.
Summary and Contents:
Topics which are discussed in the notes are given below:
- Problem Solving Multiple Choice Questions ( MCQs ) with correct Answers
- Note: Four possible answers A, B, C and D to each question are given. The choice which you think is correct, fill that circle in front of that question with Marker or Pen ink.
- Choose the correct answers.
- Which is not a high level language? (a) PORTRAN (b) BASIC (c) Visual Basic (d) Assembly language
- Which is not a type of bus in computer? (a) Data bus (b) Address bus (c) Power bus (d) Control bus
- Which device is not inside the system unit? (a) RAM (b) Keyboard (c) Hard disk (d) CD drive
- Which is not an input device? (a) Monitor (b) Keyboard (c) Mouse (d) Magnetic tape units
- 1 kilo byte is equal to: (a) 2^10 bytes (b) 2^20 bytes (c) 2^30 bytes (d) 2^40 bytes
- (011) 4752105 is: (a) Numeric data (b) Alpha numeric data (c) Alphabetic data (d) Both A & C
- DeMorgan’s law states that: (a) (a)(b+c) = (a)b + (a)c (b) a+(b+c) = (a+b)+c (c) a+b = a.b (d) (a)b = (b)a
- Windows: (a) has a GUI (b) is not an operating system (c) is a complier (d) All of these
- Good Time was a: (a) Virus (b) Antivirus (c) Fake news about existence of virus (d) None of these
- Klez is a: (a) Game name (b) Hardware component (c) Virus name (d) Person name
- 2. Answer briefly any four parts from the following.
- (i) What is meant by IC?
- (ii) What is super computer?
- (iii) Define computer simulator.
- (iv) What is translator?
- (v) Define data bus.
- (vi) What is meant by serial port?
- 3. Answer briefly any four parts from the following.
- (i) What is monitor resolution?
- (ii) On which basis secondary storage are categorized?
- (iii) Compare main memory and secondary memory.
- (iv) What is parity bit?
- (v) What is meant by processing?
- (vi) Describe octal number system?
- 4. Answer briefly any five parts from the following.
- (i) What is meant by Boolean Algebra?
- (ii) What is meant by Application software?
- (iii) What is meant by user interface?
- (iv) What is meant by folder?
- (v) What is meant by antivirus?
- (vi) What is meant by hardware compatibility?
- (SECTION – II), Note: Attempt any TWO questions. Each questions carries of 08 Marks.
- 5. Write a short note on serial ports and parallel ports.
- 6. Define keyboard Explain how keyboard is classified.
- 7. Create the truth tables of AND operations and OR operations.
- 2. Answer briefly any four parts from the following.
- (i) What is meant by Pascal’s Pascaline calculator?
- (ii) Write the characteristics of analogue computer.
- (iii) What is a barcode reader?
- (iv) Describe high level language.
- (v) Define system software.
- (vi) What are CPU register?
- 3. Answer briefly any four parts from the following.
- (i) What is monitor resolution?
- (ii) What is CD?
- (iii) What is seek time?
- (iv) What is meant by rotational delay?
- (v) What is octal number system?
- (vi) What is hexadecimal number system?
- 4. Answer briefly any five parts from the following.
- (i) Define proposition.
- (ii) Define VER and VOL commands.
- (iii) Describe operating system.
- (iv) What is windows explorer?
- (v) What is the use of recycle bin?
- (vi) Write a short note on computer desktop.
- (SECTION – II), Note: Attempt any TWO questions. Each questions carries of 08 Marks.
- 5. What is meant by CPU? Explain its units ALU and CU.
- 6. What is non-impact printer? Explain laser and inkjet printers.
- 7. Explain logical operators with the help of examples in Boolean Algebra.