What tells the computer how to use its components?
- A. utility
- B. application
- C. operating system
- D. network
Which among the following generation computers had expensive operation cost?
- A. First
- B. Second
- C. Third
- D. Fourth
System software has which major function?
- A. Giving utility
- B. making navigation easier for user
- C. controlling the computer system
- D. maintain the system
The explorer bar is divided into _________ categories.
- A. 2
- B. 3
- C. 5
- D. 7
Which of the following is not a model used in problem solving?
- A. critical thinking
- B. SDCL
- C. waterfall
- D. prototype
The delete permission allows one to ____________
- A. share music
- B. delete or remove files and directories
- C. read files and directories
- D. modify files and directories
__________________ is the conversion of computer data from one format to another.
- A. data conversion
- B. data implementation
- C. data transmission
- D. data transfer
How are the stages of SDLC implemented?
- A. Randomly, without overlapping
- B. sequentially, without overlapping
- C. sequentially with overlapping
- D. randomly with overlapping.
The combination of the arithmetic and logic units, as well as the ______________ unit makes up the central processing unit.
- A. input
- B. memory
- C. control
- D. 1/0
Which of the following is a computer not used for?
- A. entertainment
- B. information
- C. social media
- D. none of the above
The joystick typically have a button on _________ used to select the option pointed by the cursor.
- A. bottom
- B. left
- C. right
- D. top
The device primarily used to provide hardcopy is the?
- A. printer
- B. card reader
- C. computer console
- D. CRT
A light sensitive device that converts drawing, printed text or other images into digital form is
- A. keyboard
- B. Plotter
- C. Scanner
- D. OMR
What controls the way in which the computer system function and provides a means by which users can interact with the computer.
- A. Application software
- B. Internet
- C. Operating system
- D. Control unit
The set of rules that defines the combination of symbols that are considered to be correctly structured statements or expressions in that language is called _________
- A. Syntax
- B. Instruction
- C. Program
- D. Domain
Which of the following is termed as the minimum error code?
- A. binary code
- B. gray code
- C. excess 3 code
- D. octal code
When does the output of a NAND gate =1?
- A. whenever a 0 is present at an input
- B. only when all input =0
- C. whenever 1 is present at an input
- D. only when all input =1
What is a computer file.
- A. A computer program
- B. A document like bunch of text
- C. A place on a computer where information is stored in a package
- D. A physical paper document that entails how a computer works
In the files, if order of operation on two or more files are similar, then operation will be
- A. complex
- B. simple
- C. sequential
- D. combinational
CRACKING comes under ___________
- A. website service
- B. transcription
- C. computer crime
- D. data security