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- Question
Indicate which of the following is not true about 4GL?
Options- A. 4GL does not support a high-level of screen interaction
- B. Many database management system packages support 4GLs
- C. A 4GL is a software tool which is written, possibly, in some third generation language
- D. All of the above
- Correct Answer
- 4GL does not support a high-level of screen interaction
- 1. Which command(s) is(are) used to redefine a column of the table in SQL?
Options- A. ALTER TABLE
- B. DEFINE TABLE
- C. MODIFY TABLE
- D. All of the above
- E. None of the above Discuss
- 2. An operating system:
Options- A. can help reduce software development time
- B. provides ability for other programmers to understand the software structure
- C. is useless in most control applications
- D. All of the above
- E. None of the above Discuss
- 3. The time required for the fetching and execution of one simple machine instruction is
Options- A. Delay time
- B. CPU cycle
- C. Real time
- D. Seek time
- E. None of the above Discuss
- 4. Software is:
Options- A. printer output
- B. a set of instructions
- C. tape input.
- D. a programming language
- E. None of the above Discuss
- 5. What is the decimal equivalent of 210?
Options- A. 4096
- B. 1024
- C. 1000
- D. 16
- E. None of the above Discuss
- 6. A development strategy whereby the executive control modules of a system are coded and tested first, is known as
Options- A. Bottom-up development
- B. Top-down development
- C. Left-Right development
- D. All of the above
- E. None of the above Discuss
- 7. To conserve battery power on your laptop computer. What DOS v6.x command should you use?
Options- A. Powermon.exe
- B. Power.exe
- C. Idel.com
- D. Pw.sys
- E. None of the above Discuss
- 8. Memory management is :
Options- A. not used in modern operating system
- B. replaced with virtual memory on current systems
- C. not used on multiprogramming systems
- D. critical for even the simplest operating systems
- E. None of the above Discuss
- 9. Which of the following commands will take you directly to the root directory no matter what subdirectory you are currently in?
Options- A. CD \root
- B. CD\
- C. CD\..
- D. CD..
- E. None of the above Discuss
- 10. Alice is setting up a small network in her home so that she can study for her MCSE exams. She doesn't have a lot of money to spend on hardware, so she wants to use a network topology that requires the least amount of hardware possible. Which topology should she select?
Options- A. Star
- B. Right
- C. Token-Ring
- D. Ethernet
- E. Bus Discuss
More questions
Correct Answer: ALTER TABLE
Correct Answer: can help reduce software development time
Correct Answer: CPU cycle
Correct Answer: a set of instructions
Correct Answer: 1024
Correct Answer: Top-down development
Correct Answer: Power.exe
Correct Answer: critical for even the simplest operating systems
Correct Answer: CD\
Correct Answer: Bus
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