COBOL was developed for
- A. business operations
- B. game developers
- C. mobile application developers
- D. search engines optimization
The operation of a computer and peripherals attached to it is controlled by
- A. application
- B. hardware
- C. live ware
- D. system software
The logical equation for the logic circuit in Figure 3 is
- A. \(\overline{A+B}\) \(\overline{C}\)
- B. Z=A.B+C
- C. Z=A+B.C
- D. Z=\(\overline{A.B}\) + \(\overline{C}\)
Use the logic gate in Fig 2 to answer question 13.
Which of the following statements is true about logic gates X and Y?
- A. They both have multiple output variables
- B. The output state of each depends on the input state
- C. The output is true only if all inputs are true
- D. They are both equivalent gates.
Use the logic gate in Fig 2 to answer question 12.
Which of the logic gates will give an output opposite to the input state?
- A. X
- B. Y
- C. Z
- D. X and Y
The logic gates represented in Figure 1 is called
- A. AND gate
- B. NAND gate
- C. NOR gate
- D. OR gate
What is the least number of 750 MB capacity CD-ROM discs needed to transfer 10 GB size file?
- A. 75
- B. 31
- C. 14
- D. 13
The total possible combinations of the input variables for a logic gate containing three input variables is
- A. 3
- B. 4
- C. 8
- D. 12
A collection of wires through which data are transmitted from one part of the computer to another is known as
- A. address
- B. bus
- C. driver
- D. register
What factors will motivate a field engineer into choosing a notebook computer over a desktop computer?
- A. Cost, convenience and battery life
- B. Cost, size and convenience
- C. Size, convenience and battery life
- D. Size, cost and battery life
The Slide Rule is accurate to
- A. 1-2 decimal places
- B. 3-4 decimal places
- C. 5 decimal places
- D. 6 decimal places
Which of the following statements is true about super computers? They
- A. can fit on a single small chip
- B. are easily affordable
- C. can process billions of operations in a second
- D. are found across various homes and offices
Which of the following descriptions is not true about data?
- A. It can be converted to information
- B. is a collection of raw facts and figures
- C. is unorganized
- D. is used for decision making
The sequence of operation of a computer is
- A. accept data, process date and produce output
- B. accept data, produce data and produce information
- C. produce data, supply data and produce output
- D. process data, produce data and display information
Data created by the user is called
- A. primary data
- B. qualitative data
- C. quantitative data
- D. secondary data
Quantitative data can exist in
- A. continuous form only
- B. continuous and discrete forms
- C. nominal and ordinal forms
- D. ordinal form only