Class 7th
Complete the Blanks: 1. 2. The base of decimal wide variety system is 10. 3. Octal amounts program comprises of 8 digits. 4. In Binary improvement 1 +1 e1ual to 10. 5. Binary numbers method is understood of the computer. 6. Hexadecimal makes use of 16 symbols to signify figures. 7. In Binary subtraction , 1-1 equals 0 .
County Correct or False:- 1. The decimal quantity system is comprised of 10 digits i.e. 0 to 9. (correct) 2. the technique to execute unit of two binary data isn’t identical to compared to decimal figures. (False) 3. 1 increased by 0 equals to 0. (True) 4. Charles Babbage introduced the idea of 0 (Zero). (False) 5. The figures used in Octal number program become 1 to 7. (fake)
Multiple Choice Question: 1. …………. released the concept of 0 (Zero). a. Ada Lovelace b. Aryabhat c. costs Gates [B] 2. A ………………. Converts the decimal structure in to the binary counterpart. a. Digital Computer b. mobile phone c. Abacus [A] 3. A computer discover merely ………. laws. a. English b. French c. Binary [C] 4. In Binary multiplication 1A—1 equals to ………………………. a. 0 b. 1 c. 2 [B] 5. to transform Decimal amounts in to Binary quantity , divide the Number by …………………………. a. 2 b. 8 c. 10 [A]
Q.1. Ratika’s pc teacher questioned the lady to convert the octal number to Decimal amounts. Recommend their the technique which she should pertain in transforming the Octal wide variety.
Q.2. The instructor gave an assignment to Saurabh on Binary subtraction. Subtraction. Is mislead simple tips to deduct 1 from 0. Help him in resolving the challenge.
Answer:- A set of principles accustomed signify different volumes is known as wide variety program. The digital compute represents all kind of data and records in digital number. The widely used amounts system is Decimal numbers program .
- Separate the given decimal numbers utilizing the base 2.
- Record the remainder and divide the quotient once again by 2.
- Repeat the step 2 till the quotient try zero.
Answer:- The rules for carrying out multiplication utilizing digital number is actually just like compared to decimal amounts . The provided dining table illustrates the multiplication of two digital digits:
Notion of Ideas Communication Technologies
Answer:- The Octal amounts system features 8 digit in other words.,0 to 7 using the base 8. The procedure of octal to decimal conversion is comparable to binary to decimal transformation. The only real difference could be the change of base.
Fill in the blanks: 1. house windows enjoys simplified the task of handling information in computer 2. Content view show each document and folder on an independent line combined with facts , like facts altered, sixe, author, etc. 3. To replace two fold simply click style of a mouse with unmarried simply click , select the Folder solution in Control screen. 4. With numeric keypad in mouse means, the Hibernation trick is used for diagonally left ascending movement. 5. Hibernation try a state where a pc shuts down to cut power but earliest spares everything in the memories on hard disk.
Condition real or fake 1. Libraries is a kind of folder in screens 7. (True) 2. time and date once stored in some type of computer may not be altered. (False) 3. The Sticky techniques feature instantly deactivates itself if two secret are pushed along. Fake) 4. You will find three panes in Microsoft windows Explorer. (False) 5. Small symbol view is utilized to view the more information about documents and files. (Fake)
Multiple-choice inquiries: 1. ……………. Folder in windowpanes 7 enables you to organize their data within one destination. a. collection b. Paperwork cputer [A] 2. …………………… try an electrical conserving declare that permits a pc to rapidly resume full-power operation when you start functioning once more. a. Sleep b. Hectic c. Hibernate [A] 3. ……………….. are something folder utilizing which we are able to make changes into the appearance and recent setting of Windows. a. Accessories b. Control interface c. Energy Possibilities [B] 4. hot pentecostal dating……………… view shows data and files as average size icons along with the fundamental facts. Such as for instance sort and dimensions. a. Smaller Icons View b. Control board c. Electricity Solutions [B]
