Discussion
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- Question
Which key is used for the last action?
Options- A. Ctrl + D
- B. Alt + Z
- C. Ctrl + Z
- D. Alt + D
- Correct Answer
- Ctrl + Z
ExplanationFor undo the action or last action [Ctrl + Z] is used.
- 1. What is an e-mail?
Options- A. An internet standard, which aqllow users to upload and download files
- B. An online area on which a user can converse in written form about any special subject
- C. Transmission of files and messages through computer network
- D. A real time typed conversation Discuss
- 2. Several computers linked to a server to share programs and storage space________
Options- A. Network
- B. Grouping
- C. Library
- D. Integrated system Discuss
- 3. What is the name for the process that is used to convert a series of instructions or programs, written in a high-level language into instructions(or a program) that can be run on a computer?
Options- A. Assembling
- B. Compiling
- C. Translating
- D. Uploading Discuss
- 4. What is backup?
Options- A. Connect his network to more component
- B. Copy to save a data from original source to other destination
- C. Filter an old data from new data
- D. Access data from tape Discuss
- 5. OCR stands for
Options- A. Optical Character Recognition
- B. Optical CPU Recognition
- C. Optimal Character Rendering
- D. Other Character Restoration Discuss
- 6. Which of the following is not a function of the Control Unit?
Options- A. Interpret instructions
- B. Read instructions
- C. Execute instructions
- D. Direct operations Discuss
- 7. Which of the following is NOT a Software?
Options- A. Compiler
- B. Adobe
- C. Microsoft Office
- D. Drivers Discuss
- 8. Can character data be stored in computer memory?
Options- A. Yes---a primitive data type is used to store characters
- B. No---computer memory can only store patterns
- C. Yes---characters are stored in special memory
- D. No---computers can only store numbers Discuss
- 9. The depth of a complete binary tree is given by
Options- A. Dn = log 2 (n+1)
- B. Dn = log 1/2 (n+1)
- C. Dn = log (n+1)
- D. Dn = log 2 (n-1) Discuss
- 10. Chief component of first generation computer was
Options- A. Vacuum tubes
- B. integrated circuits
- C. transisters
- D. None of the above Discuss
Computer problems
Search Results
Correct Answer: Transmission of files and messages through computer network
Correct Answer: Network
Correct Answer: Compiling
Correct Answer: Copy to save a data from original source to other destination
Correct Answer: Optical Character Recognition
Correct Answer: Read instructions
Explanation:
Control Unit can perform the functions Interpret instructions, Execute instructions and Direct operations. But Reading instructions is not a function of the Control Unit.
Correct Answer: Compiler
Explanation:
A compiler is not a software.
Adobe, Microsoft office and Drivers are all software on a computer.
Correct Answer: Yes---a primitive data type is used to store characters
Correct Answer: Dn = log 2 (n+1)
Explanation:
A complete binary tree is a binary tree where all the levels have maximum number of nodes except possibly the last level.
The depth of complete binary tree of n nodes will be Dn=log 2 (n+1) where Dn is the height or depth of the tree and n is the number of nodes.
Correct Answer: Vacuum tubes
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