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Give one advantage and one disadvantage of online banking to the
a) Bank
b) Customer
List THREE reasons why e-commerce may not be a good business strategy in Cameroon
Give two implications of e-commerce to society
A microprocessor uses RAM chips of 1×1024 capacity.
How many chips will be required to obtain a memory capacity of 16 𝐾 bytes?
How many chips will be required and how many address lines will be connected to provide a capacity of 1024 bytes?
1. In R the following are all atomic data types EXCEPT: (Select all that apply)
matrix
list
numeric
data frame
array
complex
character
table
integer
logical
2. If I execute the expression x <- 4 in R, what is the class of the object `x' as determined by the `class()' function?
matrix
real
complex
vector
integer
numeric
list
matrix
list
numeric
data frame
array
complex
character
table
integer
logical
2. If I execute the expression x <- 4 in R, what is the class of the object `x' as determined by the `class()' function?
matrix
real
complex
vector
integer
numeric
list
1. R was developed by statisticians working at
A. StatSci
B. The University of Auckland
C. Johns Hopkins University
D. Insightful
2. The definition of free software consists of four freedoms (freedoms 0 through 3). Which of the following is NOT one of the freedoms that are part of the definition? Select all that apply.
The freedom to sell the software for any price.
The freedom to prevent users from using the software for undesirable purposes.
The freedom to improve the program, and release your improvements to the public, so that the whole community benefits.
The freedom to run the program, for any purpose.
The freedom to redistribute copies so you can help your neighbor.
The freedom to study how the program works, and adapt it to your needs.
The freedom to restrict access to the source code for the software.
A. StatSci
B. The University of Auckland
C. Johns Hopkins University
D. Insightful
2. The definition of free software consists of four freedoms (freedoms 0 through 3). Which of the following is NOT one of the freedoms that are part of the definition? Select all that apply.
The freedom to sell the software for any price.
The freedom to prevent users from using the software for undesirable purposes.
The freedom to improve the program, and release your improvements to the public, so that the whole community benefits.
The freedom to run the program, for any purpose.
The freedom to redistribute copies so you can help your neighbor.
The freedom to study how the program works, and adapt it to your needs.
The freedom to restrict access to the source code for the software.
During program compilation, which of the following data structures is used to hold
return addresses when a procedure is called?
A. Stack,
B. Array.
C. Queue.
D. Record.
return addresses when a procedure is called?
A. Stack,
B. Array.
C. Queue.
D. Record.
Verification and validation consist Of a variety of which kind of activities?
A. Design.
B. Analysis.
C. Maintenance.
D. Software quality assurance.
A. Design.
B. Analysis.
C. Maintenance.
D. Software quality assurance.
Management information systems
A. create and Share documents that support day-today office activities.
B. process business transactions (e.g., time cards. payments, orders, etc.)-
C. capture and reproduces the knowledge of an expert problem solver.
D. use the transaction data to produce information needed by managers to run
the business.
A. create and Share documents that support day-today office activities.
B. process business transactions (e.g., time cards. payments, orders, etc.)-
C. capture and reproduces the knowledge of an expert problem solver.
D. use the transaction data to produce information needed by managers to run
the business.
In which step of the SDLC could project termination be done?
A Design phase-
B System Maintenance phase.
C Feasibility Study phase.
D Coding phase.
A Design phase-
B System Maintenance phase.
C Feasibility Study phase.
D Coding phase.
