A BIOS configuration program that allows a windows user to configure attributes such as password, time and date is called
- A. GRUB
- B. Bootstrap
- C. CMOS setup.
- D. BIOS drivers.
The process of converting data into information is known as data
- A. collation
- B. processing
- C. analysis
- D. collection
A file organization in which the records are stored in the order in which they occur is called
- A. indexed file.
- B. serial file.
- C. sequential file.
- D. random file.
The first attempt at using the punch card principle to do mathematical calculations led to the invention of
- A. Napier’s bone
- B. Charles Babbage Analytical Engine
- C. Charles Babbage Difference Engine
- D. Abacus
The LET statement in QBASIC
- A. allows users to assign a value to a variable.
- B. allows the users to enter data into the computer during program execution.
- C. checks the errors within the code.
- D. allows the users to enter data into the computer from
The technology used for first generation computers was
- A. integrated circuit.
- B. microprocessors
- C. transistors.
- D. vacuum tubes.
The central processing unit consists of
- A. control unit, primary storage and secondary storage.
- B. input, output and processing.
- C. control unit, arithmetic logic unit and primary storage.
- D. control unit, processing and primary storage.
A good algorithm must be
- A. detailed and verbose.
- B. sequential and lengthy.
- C. consistent and continuous.
- D. concise and finite.
The BCD equivalent of 135 is
- A. 100110101
- B. 001011101
- C. 000100110101
- D. 111101
Which of the following IP addresses can be used to access a locally running website on a user’s computer?
- A. 127.1.0.1
- B. 127.0.0.1
- C. 1.172.0.0
- D. 172.0.0.0
The commands used for adding comments in QBASIC programming is
- A. PRINT
- B. REM
- C. CLS.
- D. INPUT
The following are effects of file insecurities except
- A. file corruption.
- B. data use.
- C. data loss.
- D. data overwriting.
A wait state of zero in hardware means the
- A. memory is faster than the processor in terms of speed.
- B. processor speed is higher than that of the memory.
- C. processor speed is lower than that of the memory.
- D. processor and the memory are equally matched in speed.
Machine language instruction codes are expressed in
- A. hexadecimal
- B. EBCDIC
- C. ASCII
- D. binary
The main distinguishing feature of fifth generation computers is
- A. artificial intelligence.
- B. versatility.
- C. extremely low cost.
- D. liberal use of microprocessors.
The transmission method that allows data transmission to multiple computers on a network without addressing all the computers is called
- A. unicast
- B. broadcast
- C. multicast
- D. switch
An advantage of bus topology over star topology is that
- A. it is stronger than star topology.
- B. it is more expensive than star topology.
- C. its component are easily removed compared to star topology.
- D. it requires less cable length than star topology
Which of the following controls the way in which the computer system functions and provides a means by which users can interact with the computer.
- A. CPU
- B. application software
- C. operating system
- D. ALU
In computer architecture, the type of bus that connects the major components of a computer system is
- A. address
- B. data bus
- C. control bus
- D. system bus
Using Boolean identities, reduce the given Boolean expression:
A(A+1) + A(B+0) + C.1
- A. A + B + C
- B. A.B.C
- C. A.B + C
- D. A + C