A: Answer the following question below.
1. Mainframe computers permit
a. user to password protect their files
b. the storage of large file
C. multi-access and multi programming
d. all of the above

2. Computers come in varying sizes from supercomputers to
A. mini computers
b. desktop computers
c. hand held e.g notebook
d. netbook, super computer

3. Output devices display the
a. processing as it happens
b. results of processing
c. input, process and output
d. all of the above

4. Examples of communications devices are
a. email and telephone
b. fax and modem
c. network and satellite
d. printer and scanner

5. The main factors that determine the power of a computer are
a. the type of processor, clock rate, and amount of RAM
b. the type of processor, ROM and programming language used
c. the type of processor, its memory and the speed of the modem
d. all of the above

6. A computer system consist of
a. monitor, mouse, printer, keyboard, floppy disk drive and processor
b. input and output devices, processor and backing storage
c. hardware, and software and users
d. all of the above

A mainframe computer, informally called a mainframe or big iron, is a computer used primarily by large organizations for critical applications, bulk data processing (such as the census and industry and consumer statistics, enterprise resource planning, and large-scale transaction processing)

2.D.super computer.

super computer is the fastest, most expensive, big in size, and most powerful computer that can perform multiple tasks within no second.

3.D.all of the above

An output device is any piece of computer hardware equipment which converts information into human readable form. It can be text, graphics, tactile, audio, and video. Some of the output devices are Visual Display Units (VDU) i.e. a Monitor, Printer graphic Output devices, Plotters, Speakers etc

4.C.Network and satellite

examples of communication devices include a NIC (network interface card), Wi-Fi devices, and access points.

5.A.the type of processor, clock rate, and amount of RAM

6.C.hardware, and software and users

A computer system consists of both hardware and information stored on hardware. Information stored on computer hardware is often called software. The hardware components of a computer system are the electronic and mechanical parts. The software components of a computer system are the data and the computer programs.