A[1]. When a person trying to buy a soft drink from a vending machine that cost an one SAR, He will but one SAR into the machine and choose the drink that he wants by pressing a button this procedure called input. The machine will execute the request this procedure called process. The drink will come out the machine this procedure called output.
A[2]. The top-down approach allows us to focus on the specific areas of interest
without the distraction of details that are irrelevant for the level that we’re studying
A[3]. Peer-to-peer architecture treats the computers in a network as equals,
with the ability to share files and other resources and to move them between computers.
A[4].
1- Boolean: two-valued variables or constants with values of true or false.
2- char: the character data type. Each variable or constant holds a single alphanumeric
character code representing
3- enumerated data types: user-defined simple data types, in which each possible
value is listed in the definition.
4- integer: positive or negative whole numbers.
5- real or float: numbers with a decimal portion.
A[5]. The collating sequence is of great importance in
routine character processing, since much character processing centers on the sorting and
selection of data.
A[6]. ASCII: stands for American Standard Code for Information Interchange,
Pronounced, ASCII value for ‘‘G’’ is 4716.
EBCDIC: Extended Binary Coded Decimal
Interchange Code, pronounced, EBCDIC value for ‘‘G’’ is C716.
A[7].
1- specify and purchase a system intelligently.
2- differences between various CPU technologies and the advantages and disadvantages of each.
3- peripheral hardware is appropriate for your organization’s files and the trade-offs between different file system formats, what is required to build an intranet, and what the speed and size limitations of a particular system are.
4- compare the features of Windows and Linux knowledgeably and decide which ones are important to you.
5- apply your basic understanding of computers to new technologies such as virtual machines
as they appear, and understand the jargon used by computer salespeople and judge the validity of their sales claims.
A[8].
a)(3D70)16 to (15728)10
b)(11101)2 to (29)10
c)(110001100011001)2 to (6319)16
d)(624)8 to (404)10