Hw for cs.
1.explain about computer softwares.
2. What is open source softwares. Give examples.
3. What is freeware and shareware software. Give examples.
4. What is keyboard? Explain about types of keys in keyboard.
5. What are the functions of operating system?
Answers
Answer:
1 Software comprises the entire set of programs, procedures, and routines associated with the operation of a computer system. ... A set of instructions that directs a computer's hardware to perform a task is called a program, or software program.
2 Firefox—a Web browser that competes with Internet Explorer. OpenOffice—a competitor to Microsoft Office. Gimp—a graphic tool with features found in Photoshop. Alfresco—collaboration software that competes with Microsoft Sharepoint and EMC's Documentum.
3 iska answer upper page me hai
4 Alphanumeric keys – all of the letters and numbers on the keyboard. A-Z and 0-9. operators such as the plus sign, minus sign, and equal sign. keys, control keys, arrow keys, caps lock key, delete key, etc.
5 An operating system has three main functions: (1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.
