Top Computer Knowledge

                     

                               Top Computer Knowledge  

Question 1. A person who uses his expertise to gain access to other people’s computers to get information illegally or to cause damage is a?
Ans:- Hacker.

Question 2. What is the control unit’s function in the CPU?
Ans:- To decode program instruction.

Question 3. Generally, in any computer system the DATE is entered in the form of?
Ans:- MM-DD-YY.

Question 4. RESTORE command is used to?
Ans:- Restore files from disks made using the BACKUP command.

Question 5. In MS-DOS you can use small or capital letter of combination of both to enter a command but internally MS-DOS work with?
Ans:- Capital letter.

Question 6. _ is the heart of the computer and this is where all the computing is done?
Ans:- Central Processing Unit.

Question 7. One byte is equival to?
Ans:- 8 bit.

Question 8. Personal computers can be connected together to form a?
Ans:- Network.

Question 9. The steps and tasks needed to process data, such as responses to questions or clicking an icon, are called?
Ans:- Instructions.

Question 10. The operating system is the most common type of _ software?
Ans:- System.

Question 11. The ability to recover and read deleted or damaged files from a criminals computer is an example of a law enforcement specialty called?
Ans:- Computer Forensics.

Question 12. Allocation of a resources in a time dependent manner to several program simultaneously called?
Ans:- Time sharing.

Question 13. External command in DOS are?
Ans:- Edit, sys, chkdsk.

Question 14. What is meant by a dedicated computer?
Ans:- which is assigned to one and only one task.

Question 15. The ALU and control unit of most of the microcomputers are combined and manufacture on a single silicon chip. What is it called?
Ans:- Microprocessor.

Question 16. The process of transferring files from a computer on the Internet to your computer is called?
Ans:- Downloading.

Question 17. One disadvantage of a direct access file is?
Ans:- The delay in computing the storage address.

Question 18. SYS command is used to?
Ans:- Copy DOS system files to new disk.

Question 19. 1024 bytes equals?
Ans:- 1 KB.

Question 20. A collection of 8 bits is called?
Ans:- Byte.

Question 21. While working with Ms-Dos which command transfers a specific file from one disk to another?
Ans:- Copy.

Question 22. Disk copy command in DOS is used to?
Ans:- Copy contents of one floppy disk to another.

Question 23. All computers execute what?
Ans:- Machine language program.

Question 24. Data that are accumulated and processed in group called what?
Ans:- Batch Processing.

Question 25. Multiprocessing supports more then one _ at the same time?
Ans:- Process.