| 1 |
Hovering satellite completes its rotation in 24 hours at the height of: |
- A. 360 km
- B. 3600 km
- C. 36000 km
- D. 360000 km
|
| 2 |
the number of (101)<sub>10</sub> in decimal is equal to .......... inbinary. |
- A. 0101111
- B. 0000101
- C. 10101101
- D. 1100101
|
| 3 |
Purose of electron gun in TV is to. |
- A. Fire electron
- B. Receive electron
- C. Consume electron
- D. Display picture
|
| 4 |
in binary system. 37 is written as. |
- A. 101101
- B. 100101
- C. 110011
- D. 101011
|
| 5 |
Which of the following are electromagnetic waves: |
- A. sound
- B. water waves
- C. Ultrasound
- D. light
|
| 6 |
Which disk consisting of metal plates for recording. |
- A. Floopy
- B. RAM
- C. HARD
- D. CD
|
| 7 |
Revolutionary charges have occur in last ............. years. |
|
| 8 |
analogue signal is recorded on. |
- A. Magnetic tape
- B. Floppy disk
- C. Hard Disk
- D. C.D
|
| 9 |
The frequency of the carrier waver used of radio transmission: |
- A. 30 KHZ
- B. 40 KHZ
- C. 50 KHZ
- D. 60 KHZ
|
| 10 |
Operation " 2+3" in computer performed by. |
- A. CU
- B. CPU
- C. ALU
- D. None of these
|
