1. Which of the following is not an operating system?

• DOS
• Mac
• C
• Linux

2. Computer Hard Disk was first introduced in 1956 by?

• Dell
• Apple
• Microsoft
• IBM

3. Which computer program converts assembly language to machine language?

• Interpreter
• Compiler
• Assembler
• Comparator

4. A computer uses which type of number system to calculate and to store data?

• decimal
• octal
• binary
• hexadecimal

5. The basic units of an excel spreadsheet where we enter data is called?

• Tab
• Box
• Cell
• None of the above

1. Which of the following programming language is used to create programs like applets?

• COBOL
• C Language
• Java
• BASIC

2. Firewall in computer is used for?

• Security
• Data Transmission
• Authentication
• Monitoring

3. Which of the following is not a database management software?

• MySQL
• Oracle
• Sybase
• COBOL

4. 1024 bit is equal to how many bytes?

• 1 Byte
• 128 Byte
• 32 Byte
• 64 Byte

5. Which key combination is used to minimize all open windows and displays in the screen?

• Alt+M
• Shift+M
• Windows Key+D
• CTRL+D