Sunday

Under classification by data representation. computers can be?

A. analogue, digital and hybrid. B. hybrid, mainframes and analogue. C. mini-computers, digital and supercomputers. D. supercomputers and mini-computers. Correct…

3 years ago

Pascal’s calculating machine was useful in?

A. addition and subtraction only. B. division only. C. multiplication and division only. D. multiplication only. Correct Answer: Option A…

3 years ago

The equivalent of the decimal number 89 in base 4 is?

A. 1021. B. 1201. C. 1211. D. 1121. Correct Answer: Option D - 1121

3 years ago

Choose the incorrect statement about microcomputers?

A. A microcomputer can be placed on a single silicon chip. B. A microcomputer can have more processing capability than…

3 years ago

The communication of knowledge; concepts and ideas is referred to as?

A. information processing. B. information transmission. C. telecasting. D. webcasting. Correct Answer: Option B - information transmission.

3 years ago

Which of the following is not a step involved in data conversion?

A. Input B. Output C. Process D. Transfer Correct Answer: Option D - Transfer

3 years ago

Password reset disk should be created?

A. every time the user changes the password. B. once only. C. only when the user forgets the password. D.…

3 years ago

A computer program that gathers information about a person or organization without their knowledge or consent is known as?

A. Adware. B. Time Bomb. C. Malware. D. Spyware. Correct Answer: Option C - Malware

3 years ago

Which of the file organization methods can be accessed both randomly and sequentially?

A. Direct files B. Indexed sequential files C. Random files D. Sequential files Correct Answer: Option B - Indexed sequential…

3 years ago

Effects of file insecurity include the following except?

A. virus infection. B. file corruption. C. encrypted data D. data loss. Correct Answer: Option C - encrypted data

3 years ago