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Thursday, January 18, 2024

Computer-Science Class-6 Exercise-14(2023-24):

Computer Science
Class-VI
Chapter-14 Algorithms and Flowcharts

A. Tick the correct answer:
1. An__________________ represents a start or end point.
a. oval                b. line                    c. parallelogram                d. rectangle
Answer: Oval
2. A line is a ______________ that shows relationships between the representative shapes.
a. process        b. connector          c. proces                              d. decision
Answer: Connector
3. A _________________ represents input or output.
a. rectangle    b. diamond            c. parallelogram                d. line
Answer: Parallelogram
4. A _____________ represents a process.
a. line                b. diamond            c. arrow                                d. rectangle
Answer: Rectangle
5. A diamond indicates a _____________.
a. decision        b. process                c. output                            d. end point
Answer: Decision
6. The type of diagram dictates the flowchart__________ that are used.
a. inputs            b. symbols                c. decisions                    d. directions
Answer: Symbols

B. Fill in the blanks:
1. To handle a ______________ we need to make a better plan.
Answer: Problem
2. In computer programming we need to ______________.
Answer: Plan
3. It will be easier to code a program after we have well prepared___________.
Answer: Algorithm
4. Flowcharts provide a step-by-step_____________________.
Answer: Diagram
5. Flowcharts provide an easy way of ____________________.
Answer: Communication
6. Flowcharts represent the flow of ______________________.
Answer: Data

Tuesday, January 9, 2024

Computer-Science Class-6 Exercise-13(2023-24):

Computer Science
Class-VI
Chapter-13 Computer Memory

A. Tick the correct answer:
1. EEPROM stands for _______________________.
a. Electrically eraser programmable read only memories
b. Electrically erasable programmable read only memory
c. Electrically erasable programmable reads only memory
d. Electrically erasable program read only memory
Answer: Electrically erasable programmable read only memory
2. A computer language that consists of bianry digits is called___________.
a. assembly language                    b. binary language
c. high level language                    d. machine language
Answer: Binary language
3. 1024 terabyte=1_________________________________________(PB).
a. Exabyte                    b. Megabyte            c. Terabyte                d. Petabyte
Answer: Petabyte
4. SASD stands for ____________________________.
a. Sequential access storage devices        b. Syntax access storage devices
c. Semantic access storage devices           d. Sequential access storage data
Answer: Sequential access storage devices
5. Hard disk is a circular platter made up of _______________________.
a. polymer plastic        b. coated plastics        c. mylar plastic        d. magnetic ferric oxide
Answer: Magnetic ferric oxide

B. Fill in the blanks:
1. There are two types of memory or storage__________________ and _____________________.
Answer: Primary, Secondary
2. Random access memory is also called_____________________ memory.
Answer: Read/Write
3. RAM is _______________________ memory and ROM is a _____________________ memory.
Answer: Random Access, Read Only
4. ROM stands for _____________________________________________.
Answer: Read Only Memory
5. An ______________________ is a special type of PROM that can be erased when ultraviolet light falls over it.
Answer: EPROM
6. A computer language that consists of binary digits is called __________________.
Answer: Binary language
7. Secondary memory is also called_______________________________ memory.
Answer: Auxiliary
8. In direct access storage device, data can be stored directly to any ________________.
Answer: Location
9. DVD stands for ___________________________________________.
Answer: Digital Versatile Disk
10. __________________________ are commonly used as a medium for digital representation of movies and other multimedia presentations.
Answer: DVD