Intorduction

Q1)

Choose the most suitable answer for each of the following

1- ROM stands for:

A-Random Access Memory.B- Redo Access Memory.C- Read only Memory. D. None.

2- Inkjet is ……. Than Dotmatrix Printer.

A- ClearerB- fasterC- A+BD- Cheaper.

3- Traditional screen is ……. Than Flatroon screen.

A-More expensiveB- More Safty C- A+B.D- cheaper.

4- Which of the following is an input device?

A- Mouse.B- Bar Code Reader.C- KeyboardD- All of them.

5- Which of the following programs is considered as application software:

A- EXCEL. B- Word processing.C- Power point D- All of the above.

6- The physical components of the computer system is called

A- HardwareB. SoftwareC. DatabaseD. All of the above

7 – (6 GB) equals to

A-6*1024 MB. B- 6*1024*1024 KB.

C-6*1024*1024*1024 Byte. D. All of the above .

8-The Storage Device that may save data for long time can be a ……….. of the computers.

A- Physical Components.B- Harddisk

C- Applications. D- All.

9-……… Can not be updated (changed).

A- RAM.B-ROM.

C- Central Processing Unit.D- I/O Devices.

Q2) List the main parts of the CPU, Describe each of them, and explain why it can be considered as the heart of the computer.

Q3) what is the main operations of the computer, describe each. What is the difference between Information and data?

Q4) Write Abbreviation for each of the following

CPU
CU
GUI
ROM
RAM
ALU

Q5) Differentiate between types of computer under the following categories

Name / Mainframe / PC / Laptop computer / Palmtop
Size
Performance
Cost
Capacity

Q6)If you want to purchase laptop, mention the main specification that suitable for your use and explain why?

Q1) Which choice of the following is not from the computer system componentsَ

a. Hardware b. Software c. User d. DOS

Q2) From the main operations of the computer

a. process b. divide c. copy d. all of above.

Q3) The computer produces after the processing operation are called

a. information b. data c. non of above d. all of above.

Q4) The raw facts which are inserted into the computer are called

a. data b. information c. facts d. all of above.

Q5) The CPU fast measured by

a. byte b. Hertz c. Meter d. non of above.

Q6) Which device determines how fast your computer will run

a. CPU b. clock of computer c. Computer Buses d. Hard disk.

Q7) The CPU functions:

a. processing data b. determine the processing power of the computer

c. all of above c. non of above.

Q8) The ALU function

a. performs arithmetic and logic operations

b. perform all CPU works.

c. control the speed of arithmetic and logic operations.

d. a+c.

Q9) The Registers inside CPU used to store

a. Data that is used by the ALU

b. programs which are used by CU

c. any data or programs in the computer

d. a+b

Q10) which of the following not from the memory types

a. primary memory b. Secondary memory c. main memory

d. Hard Disk

Q11) Which memory of the following is a volatile memory

a. ROM b. smart card c. RAM d. flash memory

Q12) Which memory used to save programs and files permanently

a. RAM b. Floppy disk c. DVD d. b+c

Q13) Which storage device has the highest capacity

a. Hard disk b. Floppy disk c. CD-ROM d. DVD

Q14) which storage device is the fastest storage device from the following

a. CD-ROM b. Floppy disk c. Zip Disk d. all of above

Q15) (4GB) equals

a. 4*1024 *1024 MB b. 4*1024 KB

c. 4*1024*1024 B d.non of above

Q16) (3GB) equals

a. 3*1024 MB b. 3*1024*1024*1024 KB

c.3*1024*1024 B d. all of above

Q17) The shortcut which is used to describe the resolution of monitor (screen)

a. VGA b. SGVA c. XGVA d. all of above

Q18) which program of the following program is expected to be found on all computers

a. word processing b. windows c. PowerPoint d. excel

Q19) Which device does not have processor

a. computer b. smart card c. intelligent terminals d. dump terminals.

Q20) The memory keeps instructions which make the computer work when turning it on

a. RAM b. magnetic strip c. ROM d. cash memory.

Q21) The memory used in mobiles is

a. cash memory b. flash memory c. hard disk d. floppy

Q22) the memory which keeps information permanently

a. hard disk b. floppy disk c. DVD d. all of above.

Q23) ………is an output device

a. magnetic strip b. Bar codes c. plotters d. OMR

Q24) ………is an input device

a. speech synthesizer b. Video Display Unit c. plotters d. Joystick.

Q25) the size of monitor measured

a. diagonally b. horizontally c. vertically d. non of above

Q26) the highest printer quality

a. laser b. inkjet c. dot matrix c. daisy wheel

Q27) the slowest printer is

a. laser b. inkjet c. dot matrix c. daisy wheel

Q28) the resolution of the monitors measured by

a. monitor width b. number of pixels c. monitor depth d. all of above.

Q29) The cache memory

a. primary memory b. linked to the CPU c. increase the speed of the computer d. all of above.