Computer Science Quiz

The Stepped Reckoner was developed by

• A. Gottfied Leibnitz.

• B. Herman Hollerith

• C. John Von Neumann

• D. William Schickard

The binary number 100101, can be written in denary as

• A. 25

• B. 37

• C. 45

• D. 211

The first stage in computer data processing procedure is

• A. collection of data

• B. communication of information.

• C. conversion of data

• D. manipulation of data

One advantage of electronic data processing is that it

• A. involves special skill

• B. deals only with simple data.

• C. . is completely error-free

• D. handles complex data

The type of computer that has the ability of counting in discrete form is referred to as

• A. analogue computer

• B. digital computer

• C. hybrid computer

• D. versatile computer

One reason for using Computer Aided Design in manufacturing is that

• A. it uses few system resources

• B. manufacturing time is reduced.

• C. designers do not need training to use it

• D. 3D designs are easily produced with it.

Which one of the following statements is true about Voice Over IP? it

• A. converts voice and video data into a digital signal and transfers it over the Internet.

• B. converts voice and video data into a digital signal and broedcasts it via a transmitter.

• C. is a voice over communication system which is cyber-attack proof

• D. is a circuit-switched data communication system.

Which one of the following sets of devices can be used to store data during processing?

• A. Cache, RAM and Register

• B. Cache, Register and ROM

• C. Flash Drive, ROM and Hard Disk Drive

• D. RAM, Register and Zip Drive

The process of inspecting, transforming and modeling data to get useful information is known as

• A. collation

• B. interpretation

• C. execution

• D. analysis

One disadvantage of using computer for information processing is

• A. need for staff retraining

• B. increased running cost in the long run

• C. the increase in storage space

• D. redundancy of computers in the long run.