400
The advantages of electronic data processing includes the following except
- A. automatic processing
- B. hacking
- C. fast and reliable processing
- D. storage capacity
401
Information analysis procedures includes the following except
- A. skim and scan
- B. recognizing interrelationships
- C. interpret and conclude
- D. identifying propaganda and bias
402
Which of the following is secondary storage device.
- A. RAM
- B. bubble memory
- C. floppy disk
- D. EPROM
403
Which of the following is not an application of computers?
- A. bank notes counter
- B. point of sales terminal
- C. Automated Teller Machine
- D. traffic lights control
404
Facebook, Twitter and WhatsApp are examples of
- A. social media
- B. social communication
- C. networking media
- D. search engines
405
Which of the following is true about digital computers.
- A. They consist of magnetic core memory.
- B. they understand data as a continuous measurement of a physical quantity.
- C. they represent numbers through a string of binary digits.
- D. they are mainly used for scientific purposes.
406
Which of the following is not a source of data collection.
- A. observation
- B. interview
- C. questionnaire
- D. classification
407
The operation of checking input data against specified criteria is referred to as.
- A. data verification
- B. data validation
- C. data cross check
- D. data control
408
Convert \(47_8\) to its binary equivalent.
- A. 100111\(_2\)
- B. 110011\(_2\)
- C. 10001\(_2\)
- D. 1111011\(_2\)
409
Which of the following persons invented the punch card machine?
- A. Blaise Pascal
- B. Gottfried Leibniz
- C. J. Prosper Eckert
- D. Dr. Herman Hollerith