1. Which was the computer conceived by Babbage?
a. Analytical Engine
b. Arithmetic Machine
c. Donald Kunth
d. All of above
2. Offline device is
a. A device which is not connected to CPU
b. A device which is connected to CPU
c. A direct access storage device
d. An I/O device
3. Which of the following registers is loaded with the contents of the memory location pointed by the PC?
a. Memory address registers
b. Memory data registers
c. Instruction register
d. Program counter
4. Which of the following registers is used to keep track of address of the memory location where the next instruction is located?
a. Memory address register
b. Memory data register
c. Instruction register
d. Program counter
5. Microprocessors can be used to make
a. Computers
b. Digital systems
c. Calculators
d. All of above
6. how many address lines are needed to address each machine location in a 2048 x 4 memory chip?
a. 10
b. 11
c. 8
d. 12
7. which American computer company is called Big Blue?
a. Microsoft
b. Compaq Corp
c. IBM
d. Tandy Svenson
8. When did IBM introduce the 20286 based PC/AT?
a. 1982
b. 1984
c. 1985
d. 1989
9. When was the X window system born?
a. 1984
b. 1989
c. 1988
d. 1990
10. Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?
a. Tabulator Machine Co.
b. Computer Tabulating Recording Co.
c. The Tabulator Ltd.
d. International Computer Ltd.
11. The first electronic general purpose digital computer built by Mauchly and Eckert called ENIA did not work on the stored program principle. How many numbers could it store in its internal memory?
a. 100
b. 20
c. 40
d. 80
12. The digital computer was developed primarily in
a. USSR
b. Japan
c. USA
d. UK
13. The subject of cybernetics deals with the science of
a. Genetics
b. Control and communication
c. Molecular biology
d. Biochemistry
14. Who is credited with the idea of using punch cards to control patterns in a waving machine?
a. Pascal
b. Hollerith
c. Babbage
d. Jacquard
15. Which of the following is a secondary memory device?
a. Keyboard
b. Disk
c. ALU
d. All of the above
16. The difference between memory and storage is that memory is … and storage is …
a. Temporary, permanent
b. Permanent, temporary
c. Slow, fast
d. All of above
17. A floppy disk contains
a. Circular tracks only
b. Sectors only
c. Both circular tracks and sectors
d. All of the above
18. The octal equivalent of 111010 is
a. 81
b. 72
c. 71
d. None of above
19. The first electronic computer in the world was
a. UNIVAC
b. EDVAC
c. ENIAC
d. All of above
20. The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called
a. ASCII
b. EBCDIC
c. BCD
d. All of above
No comments:
Post a Comment